(Only Europe) INKEY IMMOBILIZER BE-2atmweb.narod.ru/BE.pdfbetween ICU and ECU is normal. Perform...

(Only Europe)INKEY IMMOBILIZER BE-2

ВЕ-2 BODY ELECTRICAL SYSTEM

Diagnostic Trouble Codes and Associated Procedures

Immobilizer1. Turn ignition switch to ON position.2. The MIL should be illuminated.3. Turn the ignition switch to LOCK.4. Locate the data link connector (DLC) in the engine compartment and install the Hi-Scan Pro Tool.5. Turn the ignition switch to ON and record any Diagnostic Trouble Codes displayed by Hi-Scan Pro Tool.6. Refer to Diagnostic Trouble Code Chart, for fault description and actions.

Diagnostic Trouble Code (DTC) Chart

Diagnostic Trouble Code

P1600

P1611

P1612

Fault Description

Communication error(ECL) - VIM)

No answer from immobilizer

Checksum message wrong

MIL

ON

Remark

Noticea) Refer to Fuel System, Group FL and Hi-Scan Pro Tool Manual.b) If a detected fault remains for the first time for a time, it is stored as "not confirmed fault". If the fault is detected again

when it is stored as" confirmed fault". It is stored as confirmed fault and MIL is turned ON after two driving cycles.c) The driving cycle is counted up ten seconds passed after ignition ON or "erased code" of Hi-Scan Pro Tool.d) Not confirmed fault: if a detected fault remains for the first time for a time, it is stored as a temporary failure that is "not

confirmed fault".e) Confirmed fault: if the fault is detected again at status which is stored as "not confirmed fautt", it is stored as "confirmed

fault."f) Before replacing ICU or ECU, perform" Before Servicing" and "Normal Coding" procedure and recheck inkey

Immobilizer system.

Diagnostic Trouble Code Troubleshooting

DTC

P1600P1611

P1612

Fault Description

No receiving any answer on K-line after elapsing timeoutof communication or no receiving correct answer forcommunication time.

Check sum message from ICU is wrong.

Possible cause

Harness or connection failure.ICU failure.

ICU failure.

Action

Erase DTCRepair or replaceReplace

Erase DTCReplace

INKEY IMMOBILIZER BE-3

General Diagnostics and Test

System check

Step

1

2

3

4

5

Action

• Observe "IMMO" indicator.• Turn the ignition switch to ON,

• Turn the ignition switch to START

• Turn the ignition switch to OFF.• Disconnect antenna coil connector from ICU.• Turn the ignition switch to ON.• Observe "IMMO" indicator.

• Perform limp home with original correct PIN.

• Turn the ignition switch to START.

Normal results

"IMMO" indicator illuminates for approximately twoseconds and goes out.

Engine starts.

"IMMO" indicator blinks at 2 Hz for 5 seconds and thenthe indicator blinks at 0.6 Hz for approximately 17seconds.

"IMMO" indicator illuminates for approximately twoseconds and goes out.

Engine starts.

ICU status by "IMMO" indicator

Action Part number Virgin Neutralized/Learnt

> Disconnect antenna coilconnector.

• Turn the ignition switch toON.

OK2AD 67 7BO "IMMO" indicator blinks at three timesfor two seconds.

"IMMO" indicator blinks at 2Hz for 5 seconds and thenblinks at 0.6 Hz forapproximately 17 seconds(LIMPHOME MODE).

ICU

Part numberType

ICU part number

Manufacture

Label color of ICU

Antenna coil tube color

Key knob color

Limp home function switch

"IMMO"indicator

Before coding

After codingOK

NG

Encrypt type

OK2AD 67 7BO

Shinchang Electronics Co. Ltd.

White

Blue

Bluish green

Ignition Key SW

"IMMO" indicator blinks at three times for approximately two seconds.

"IMMO" indicator illuminates for approximately two seconds and goes out.

"IMMO" indicator blinks at 2 Hz for 5 seconds and then the indicator blinks at0.6 Hz for approximately 17 seconds.


Before servicing

Step

1

2

3

4

5

6

7

8

Inspection

• Turn the ignition switch to ON.

• Check if "IMMO" indicator illuminates or blinks.

• Disconnect the immobilizer harness connector from the ICU.

• Check if battery voltage is applied to the terminal 21 of the harnessconnector.

• Check if the terminal 2B of the harness connector is grounded.

• Check if battery voltage is applied to the terminal 2H of the harnessconnector.


• Check the battery voltage is applied to the terminal 2J and 2C of theharness connector.

Yes

Go to step 7

Go to step 3

Go to step 4

Go to step 5

Go to step 6

NO

Go to step 2

Repair or replace

Repair or replace

Repair or replace

Repair or replace

• Turn the ignition switch to OFF and connect the immobilizer harness connector to the ICU.


• Check if "IMMO" indicator illuminates for approximately two seconds andthen goes out.

• The ICU is normal. Check if engine starts.

Go to step 8.

System is OK

Go to "Symptomtable"

Go to "Symptomtable"


Symptom table


Procedurel

Step

1

2

3

4

5

6

Inspection

Perform "Key Only Matching" with the originalcorrect PIN.Are key matching results well?

Turn the ignition switch to OFF.Check if connection and wire harnessbetween antenna coils and ICU are normal.

Check if antenna coils are normal.

Perform "Key Only Matching" with the originalcorrect PIN.Are key matching results OK?

Turn the ignition switch to OFF and ON.Check if "IMMO" indicator illuminates forapproximately two seconds and goes out.

Turn the ignition switch to START.Check if engine starts.

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Action

Turn the ignition switch to START.If engine starts, system is OK.

Go to step 2.

Go to step 3.

Repair or replace wire harness

Go to step 4.

Replace antenna coils

Go to step 5.

Recheck system.

Go to step 6.

Recheck system.

System is OK.

(Refer to "Symptom table").


Procedure2

Step

1

2

3

4

5

6

7

Inspection

Perform "VIM CHECK" with original correct PIN.Check if ICU's status and condition are"Learnt" and "Unlocked".

Check if the connection and wire harnessbetween ICU and ECU is normal.

Perform "Normal Coding" with original correct PIN.Turn the ignition switch to OFF and ON.Check if "IMMO" indicator illuminates forapproximately two seconds and goes out.

Perform "ECM CHECK" with orighinalcorrect PIN.Check if ECU condition is "Unlocked".

Recheck if connection and wire harnessbetween ICU and ECU is normal.

Perform "Neutralization" and "NormalCoding" with original correct PIN.Turn the ignition switch to START.Check if engine starts.

Before replacing ECU, must remember and recordthe original correct PIN.Perform "Neutralization" with the original correctPIN and turn the ignition switch to OFF.Remove ECU and store the ECU with the tagrecorded serial inspection.Install new virgin or neutralized ECU.Perform "Normal Coding" with the originalcorrect PIN.Turn the ignition switch to START.Check if engine starts.

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Yes

No

Action

ICU is normal.

Go to step 2.

Go to step 3.

Replace or replace wire harness.

Go to step 4.

Recheck system or check if PIN entry is correct.

Check starting system.

Go to step 5.

Go to step 6.

Repair or replace wire harness.

System is OK.

Recheck system.

System is OK.

Perform "Neutralization" with the original correctPIN, remove new ECU, and install original ECU.Perform "Normal coding" with the original correct PIN.Recheck system.


Procedures

Perform "ECM CHECK" and "VIM CHECK" with Hi-Scan Pro Tool. The ECU and ICU installed in vehicle are in LearntStatus because they were first encoded by Kia Motor.


Schematic diagram


Diagnostic functionAn external diagnostic tool (Hi-Scan Pro Tool) initiatesthe diagnostic communication. Its purpose is to:

• Perform an end-of-line test at the car assemblyplant consisting of:—»Programming the PIN-»matching the ECM to the ICU—> matching the transponder keys—> doing a complete check of the system

• Program a replacement ECM or ICU(neutralization)

• Program replacement keys

Diagnostic serviceRefer to Hi-Scan Pro Tool Manual.

• Normal coding• Neutralization• Code change• Key only matching• VIM check• ECM check• Key check

Passcode(or PIN) requestThis service is used to enter the PIN.

Test sequence request

This frame is sent immediately after the pass codeframe and starts a test sequence either with or withouttransponder key matching. If the test sequence requestis not received before the end of the time-out, the ICUsends a response frame containing $FF FF as status.

He NoticeThis service can be allowed only when the ICUstatus is not learnt by setting an EEPROM. In caseof learnt status, the sequence is not processed andthe PIN is not changed.

Consider a virgin ICU. By performing a full testsequence:

• either without key matching,• or with key matching,

The ICU becomes learnt, and unlocked. The ICU willremain unlocked while the ignition is turned ON.However, if a full test sequence is performed with keymatching (and two keys are matched: the sequencewas successful), then the ICU is learnt and unlocked,but a passive arming is armed. In that case, once thepassive arming is elapsed, or if ignition is turned ONwith an unknown key, the ICU is locked.

Key management:In case of key matching (from a full test sequence or akey matching only):

• No key is learnt: the previous keys are kept,• At least 1 key is learnt: the previous keys are

erased, and replaced by the new ones.

Case of virgin ICUIn virgin status the key matching service is not allowed.

DIAGNOSTIC SEQUENCE1. The operator inserts a transponder key.2. The test tool sends the PIN with option full test

(program PIN) and a diagnostic request to the ICU.3. The PIN is programmed and the ICU status

changes to learnt.4. The ICU activates the horn for 30ms.5. The operator turns the key to IG ON position.6. The ICU communicates with the ECM and unlocks

it.7. The operator turns the key to IG OFF position.8. The horn sounds for 30ms.9. The operator turns the key to IG ON position.

10. The first transponder key is learned.11. If the programming was OK, The lamp is ON for

2 seconds.12. The operator turns the key to IG OFF position and

replaces it by the second key in less than 10seconds

13. The operator turns the key to IG ON position14. The second transponder key is learned15. If the programming was OK, the lamp is ON for

2 seconds the horn is activated for 30ms.16. The operator turns the key to IG OFF position.17. The status of the ICU is sent to the test tool(Hi-

Scan Pro Tool).


Transponder key matching (ICU learnt stateonly)Transponder matching sequence: this procedurecorresponds to matching keys procedure

1. The operator inserts a transponder key2. The test tool sends the PIN to the ICU with option

transponder matching and the number of keys to beprogrammed.

3. The ICU activates the horn for 30ms4. The operator turns the key to IG ON position5. The first transponder key is learnt.6. The lamp lights7. The operator turns the key to IG OFF position and

replaces it by the next key8. The operator turns the key to IG ON position9. The second transponder key is learnt

10. The lamp lights11. Step 7 to 10 are repeated depending on the

number of keys to be programmed12. The status of the ICU is sent to the test tool

Also, during the Ignition test, the VIM detects the ECMtype connected to it and stores the type in EEPROM.

ECM (or ECU) communicationThe ECM communication is initiated by the ECM. TheICU decrypts this request to get three bytes of fix code;it compares this fix code with ICU's MIN. If they aredifferent or if the ICU is in the locked condition, ICUanswers ECM with dummy data. Otherwise, the answeris got from encrypted different code according the ICUstatus.The ECM type is extracted from the ECM request andstored in EEPROM of ICU

Relay communicationThis function allows the communication between testerand ECM by shorting W-line and K-line togetherThe ICU controls a relay, which permits to connect theК (Diagnostic)-line with the W (ECM serial data)-lineand disconnect the internal W-line pull-up, to allowcommunication between the ECM and an externaltesterIf the ICU recognizes 5 BAUDS wake up addressedfrom the ECU, it will close the relay and then disablethe pull-up.If the communication is completed, the pull-up is re-enabled and then the relay is released.


Limp home (override) procedureThis procedure allows the unlocking of the ICU by entering the PIN via the IG SW, in case the transponder codecannot be read or is unknown 200 ms after ignition-ON, a valid transponder code must have been received, otherwisethe ICU will remain "Locked" and the lamp will start blinking at 2 Hz. This can happen through a malfunction of thetransponder, the reading device or an unknown transponder code.The following grid indicates whether the passage into override procedure is possible according to the status of the ICU:


The PIN has to be entered using the following procedure:1. Turn the IG SW to ON. The "IMMO" indicator will blink at 2 Hz (duty cycle ON/OFF=1) for approximately 5

seconds.2. "IMMO" indicator will go out for approximately 1.65 seconds.3. "IMMO" indicator will blink at 0.6 Hz (duty cycle ON/OFF=0.2).4. Turn the IG SW to ACC when the "IMMO" indicator blinks the same times as the number of PIN's (so-called

passcode) first digit. Refer to following figure;• If the IG SW is not turned to ACC after tenth, exit limp home procedure.• If the IG SW is not returned to ON within approximately 10 seconds, exit limp home procedure.

5. Turn the IG SW to ON within approximately 10 seconds. Then, the "IMMO" indicator will blink at 0.6Hz (duty cycleON/OFF=0.2) after approximately 1.4 seconds. If the IG SW is not turned to ON within this time-out, the limphome procedure is aborted.

6. Repeat step 3 and step 4 for entering the rest of the PIN's digits.• If the PIN entered correspond to the PIN of ICU, the "IMMO" indicator illuminates for approximately 2 seconds

and then goes out. ICU is unlocked and cranking is allowed during approximately 20 seconds.• If the PIN entry is incorrect, the "IMMO" indicator blinks at 2 Hz continuously and cranking is not allowed.

Repeat limp home procedure.


Correct PIN enteredIf the entered PIN corresponds to the stored PIN, theICU is unlocked and the passive arming delay is set toa calibration value (i.e. 20 seconds) specific to the limphome procedure. While the PIN is being entered, theICU is locked. Therefore, the ECM may continuouslysend ECM's request to the ICU. When the user entersthe correct PIN, the ICU becomes unlocked andanswers the ECM request with unlock status. "IMMO"indicator goes out.If the ignition is switched off for more than the passivearming delay (i.e. 20 seconds), the ICU is locked again.

Incorrect PIN enteredIf the entered PIN does not correspond to the storedPIN, the ICU is locked and the lamp will be blinking at2Hz permanently. If you want to restart the limp homeprocedure, you have to turn off the ignition key and thenturn on the ignition key again. This product has noinhibition time.

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Signal modes by the lampThe following table shows the behavior of the lamp depending on the current mode of operation:


Description and OperationThe product described in these specifications is atransponder-based immobilizer for vehicle. This productis called ICU(Inkey Control Unit) communicates with the enginemanagement system in order to allow or not thecrankingdepending the recognition or not of the transponderinserted in the Key. This product complies withEuropeandirectives applicable in anti-thaft systems for vehicles.The transponder is inserted in the Key; two Keys areassociated to vehicle. The identification of atransponder by the ICU is done by a rising edge on theplus ignition input. The recoguition of a transponderidentifier puts the ICU in an unlocked state until a fallingedge in ignition input; otherwise, it is in the locked state.The unlocked state allows cranking. The ICUcommunicates with Hi-Scan Pro tool in order to:

• Proceed with key (transponder) matching at theend of vehicle manufacturing line.

• Initialize the engine management system.• Proceed with auto-test of the product (check of

antenna connections and W line output).In case of a transponder failure, the immobilizer can beunlocked with a procedure called Limp HomeProcedure by entering a personal code with the IG SW.

ICU• Transponder reader / exciter interface• 5V power supply regulation• Serial communication interface• Lamp relay drivers• Micro controller and software

Transponder reader / exciterThe communication with the transponder is done by anintegrated circuit(ASIC) which integrates in addition tothe transponder reader / exciter:

• 5V voltage regulator for internal use and microcontroller power supply.

• Watch dog circuit• W line driver used for the communication with the

ECM

Electrical characteristics of the ASIC :• The antenna driver is a differential driver

(H bridge)• Output current of the transmitter: ± 100mA• Input signal of the receiver: ± 100• Power in reset threshold : V


Functions

Abbreviations

ECU

EMS

ECMVIM

ICUMINPIN

Electronic Control Unit or Engine Control UnitEngine Management System

Engine Control Module (Same As EMS)Vehicle Immobilizer

Inkey Control UnitModel Identification NumberPersonal Identification Number (i.e. Passcode)

Function listTransponder communication: reads the transponder code and decide (in normal mode) the immobilizer condition"Locked" or "Unlocked".ECM communication: answers the requests from engine management system.Diagnostic communication: answers the requests from diagnostic tool (Hi-Scan Pro Tool).Llmphome function: manages the ignition and RR DEF SW input and handles the override procedure for the Limphome and key learning sequence.

ICU condition and statusThe ICU has two possible conditions: "Locked" or "Unlocked".In addition, three possible statuses: "Virgin", "Learnt" and "Neutralized".

Locked conditionThe ICU will stay in the locked condition as long as no valid transponder code has been received. The ICU willautomatically go to lock condition a regular time after key OFF. As long as the ICU is in the locked condition, enginestart is impossible, since the ICU answers any ECM request with dummy data. Exceptions to this rule are made ifeither the ECM or the ICU is in virgin state.

Unlocked conditionOnly if the ICU is in the unlocked condition, engine start is allowed.if the conditions about the MIN and the respectivestatus of the ICU and the ECM are verified.


Virgin statusThis status represents the delivery condition of the ICU. The MIN has been programmed at the factory in EEPROM.The VIN has not been programmed yet; it will be programmed at the car manufacturer's end-of-line test. In this status,if the ECM is also in virgin state and the MIN of the ECM and the ICU are the same, engine start is allowed.

Learnt statusThis represents the normal operating condition of the ICU, where the VIN has been learned. When the ECM sends arequest containing the same MIN, then if the ICU is unlocked, the response to the ECM will contain a code based onthe VIN. If the ICU is locked, the response will contain dummy data.

Neutralized statusTo replace a part of the system (ICU, ECM), the ICU and the ECM have to be set to neutralized state by a request from the diagnostic tool. In this status, engine start is never possible.Following flow diagram shows the possible transitions between statuses:

Diagnostic request(read passcode and neutralized mode request)


Normal environment of coil/transponder

The transponder(inserted in the Key) has two stable positions(position1 and position2 on the figure above).Reading the transponder in these conditions should be possible at 100% rate:

• in the temperature range• in case of extreme values intervening in the coupling between transponder and coil, which are :

—» carrier frequency—»tuning frequency of the antenna resonant circuit—> tuning frequency of the transponder coil—> minimum magnetic field of transponder good operation—> mechanical tolerances of positioning (transponder in the key and coil on the SCL)

• when the system is submitted to an electromagnetic field

Functional descriptionThe reading transponder procedure is initiated by a rising edge on the Ignition input.The transponder reading should be completed during a delay of one second after ф ignition rising edge. This timeincludes two includes 5 possible tentative of transponder reading.During this delay, all other requests are ignored.Four transponders in total can be programmed in the EEPROM.The result of this function execution is an EEPROM variable which contains the ICU condition, locked or unlocked.The ICU is unlocked if the transponder code read is known and belongs to the list in the EEPROM and if thetransponder has been authenticated successfully. ICU switches to the locked state after approximately one secondafter the ф ignition falling edge (Passive arming). The ICU is locked if the transponder is absent or the code read isunknown

(Except for Europe)

INTRODUCTION BE- 1SYMBOLS BE- 2TROUBLESHOOTING PROCEDURE BE- 3GENERAL SERVICE BE- 4ELECTRICAL WIRING SCHEMATIC BE-W1GROUND POINTS BE-Y1STARTING AND CHARGING SYSTEM BE- A1ENGINE CONTROL SYSTEM BE-B1COOLING SYSTEM BE-B2INSTRUMENT CLUSTER & WARNING LAMPS BE- C1FRONT WIPER & WASHER SYSTEM BE- D1REAR WIPER & WASHER SYSTEM BE- D2HEADLIGHTS WITHOUT AIRBAG BE-E1HEADLIGHTS WITH AIRBAG BE- E2LICENSE LIGHTS AND REAR COMBINATION LIGHTS (4 DOOR) BE- E3LICENSE LIGHTS (5 DOOR) BE- E4TURN & HAZARD FLASHER UNIT BE- F1HIGH-MOUNTED STOPLIGHTS BE-F2HEATER AND AIR CONDITIONER BE-G1EC-AT CONTROL SYSTEM BE- H1ROOM LAMP TRUNK LAMP, CARGO ROOM LAMP AND POWER SOCKET BE- 11REAR WINDOW DEFROSTER BE- 12DOOR LOCK SYSTEM BE- 13KEYLESS ENTRY SYSTEM BE- 14AUDIO BE- ЛPOWER WINDOW SYSTEM BE-K1POWER MIRROR SYSTEM BE- L1SUNROOF SYSTEM BE-M1ANTI-LOCK BRAKE SYSTEM(ABS) BE-O1AIRBAG SYSTEM AND HORN BE- S1ILLUMINATION LAMPS BE-T1DIAGNOSIS CONNECTOR BE-U1COMMON CONNECTOR BE-X1

BE-1-0 ELECTRICAL DIAGNOSIS

INTRODUCTION BE-1-1

INTRODUCTION

Ground points• This shows ground points of the harness.

ВЕ-1-2 ELECTRICAL DIAGNOSIS

System circuit diagram/connector diagram

• These diagrams show the circuits for each system, from the power supply to the ground. The power supply sideis on the upper part of the page, the ground side on the lower part. The diagrams describe circuits with theignition switch off. Below is an explanation of the various points in the diagram.

INTRODUCTION BE-1-3

INTRODUCTION BE-1-5


SYMBOLS

SYMBOLS BE-2-1


Logic symbols

SYMBOLS В Е-2-3


TROUBLESHOOTING PROCEDURE

Five-step troubleshooting

1. Verify the problemTurn on all the components in the problem circuit to check the accuracyof the customer complaint. Note the symptoms. Do not begindisassembly or testing until you have narrowed down the problem area.

2. Analyze the circuit schematicLook up the schematic for the problem circuit. Determine how the circuitis supposed to work by tracing the current paths from the power sourcethrough the circuit components to ground. Also, trace circuits that sharewiring with the problem circuit. The names of circuits or components thatshare the same fuse, ground, or switch, and so on, are referred to ineach circuit schematic. Try to operate any shared circuits you didn'tcheck in step 1. If the shared circuits work, the shared wiring is OK, andthe cause must be in the wiring used only by the problem circuit. Ifseveral circuits fail at the same time, the fuse or ground is a likely cause.Based on the symptoms and your understanding of the circuit'soperation, identify one or more possible causes.

3. Find the causeMake circuit tests to check the diagnosis you made instep 2. Keep in mind that a logical, simple procedure is the key toefficient troubleshooting. Test for the most likely cause of failure first. Tryto make tests at points that are easily accessible.

4. Repair the problemOnce the specific problem is identified, make the repair. Be sure to useproper tools and safe procedures.

5. Check the repairTurn on all components in the repaired circuit in all modes to make sureyou've fixed the entire problem. If the problem was an open fuse, besure to test all of the circuits on that fuse. Make sure no new problemsturn up and the original problem does not recur.

Test equipment

NOTEMost circuits Include solid-state devices. Test the voltages Inthese circuits only with a 10-megaohm or higher impedancedigital multimeter. Never use a test light or analog meter oncircuits that contain solid-state devices. Damage to the devicesmay result.

Test light and DVOMOn circuits without solid-state devices, use a test light to check forvoltage. A test light is made up of a 12-volt bulb with a pair of leadsattached. After grounding one lead, touch the other lead to variouspoints along the circuit where voltage should be present. The bulb willgo on if there is voltage at the point being tested. If you need to knowhow much voltage is present, use a digital volt/ohmmeter (DVOM).

TROUBLESHOOTING PROCEDURE BE-3-1

Self-powered test light and DVOMUse a self-powered test light to check for continuity. This tool ismade up of a light bulb, battery, and two leads. To test it, touchthe leads together; the light should go on.Use a self-powered test light only on an unpowered circuit.First, disconnect the battery, or remove the fuse that feeds thecircuit you are working on. Select two points in the circuitbetween which you want to check continuity. Connect one leadof the self-powered test light to each point. If there is continuity,the test light's circuit will be completed, and the light will go on.

Fused jumper wireUse a jumper wire to bypass an open circuit. A jumper wire ismade up of an in-line fuse holder connected to a set of testleads. It should have a five ampere fuse. Never use a jumperwire across any load. This direct battery short will blow thefuse.

Short finderShort finders are available to locate shorts to ground. The shortfinder creates a pulsing magnetic field in the shorted circuit andshows you the location of the short through interior trim. Its useis explained in the following troubleshooting tests.

Troubleshooting tests

Testing for voltageThis test measures voltage in a circuit. When testing for voltageat a connector, you may not have to separate the two halves ofthe connector. Instead, probe the connector from the back.Always check both sides of the connector because dirt andcorrosion between its contact surfaces can cause electricalproblems.1. Connect one lead of a test light to a known good ground, or

if you are using a voltmeter, be sure you connect itsnegative lead to ground.

2. Connect the other lead of the test light or voltmeter to thepoint you want to check.

3. If the test light glows, there is voltage present. If you areusing a voltmeter, note the voltage reading. It should bewithin one volt of measured battery voltage. A loss of morethan one volt indicates a problem.


Troubleshooting tests

Testing for voltageThis test measures voltage in a circuit. When testing for voltageat a connector, you may not have to separate the two halves ofthe connector. Instead, probe the connector from the back.Always check both sides of the connector because dirt andcorrosion between its contact surfaces can cause electricalproblems.1. Connect one lead of a test light to a known good ground, or

if you are using a voltmeter, be sure you connect itsnegative lead to ground.

2. Connect the other lead of the test light or voltmeter to thepoint you want to check.

3. If the test light glows, there is voltage present. If you areusing a voltmeter, note the voltage reading. It should bewithin one volt of measured battery voltage. A loss of morethan one volt indicates a problem.

Testing for continuityThis test checks for continuity within a circuit. When testing forcontinuity at a connector, you may not have to separate the twohalves of the connector. Instead, probe the connector from theback. Always check both sides of the connector because din"and corrosion between contact surfaces can cause electricalproblems.1. Disconnect the negative cable from the vehicle

battery.2. If you are using an ohmmeter, hold the leads together and

adjust the ohmmeter to read zero ohms.3. Connect one lead of a self-powered test light or ohmmeter

to one end of the circuit you wish to test.4. Connect the other lead to the other end.5. If the self-powered test light glows, there is continuity. If you

are using an ohmmeter, low or no resistance means goodcontinuity.

Testing for voltage dropThis test checks for voltage drop along a wire, or through aconnection or switch.

TROUBLESHOOTING PROCEDURE BE-3-3

1. Connect the positive lead of a voltmeter to the end of thewire (or to the side of the connector or switch) closest to thebattery.

2. Connect the negative lead to the other end of the wire (orthe other side of the connector or switch).

3. Operate the circuit.4. The voltmeter will show the difference in voltage between

the two points. A difference, or drop of more than 0.5 volts,may indicate a problem. Check the circuit for loose or dirtyconnections.

Testing for a short to ground with a test light

or voltmeter1. Remove the open fuse and disconnect the battery and

load.2. Connect one lead of a self-powered test light or ohmmeter

to the fuse terminal load side.3. Connect the other lead to a known good ground.4. Beginning near the fuse box, wiggle the harness. Continue

this process at convenient points about six inches apartwhile watching the test light or ohmmeter.

5. If the self-powered test light blinks or the ohmmeter needlemoves, there is a short to ground in the wiring near thatpoint.


Testing for a short to ground with a short

finder1. Remove the open fuse. Leave the battery connected.2. Connect the short finder between the positive battery

terminal and the load side fuse terminal.3. Close all switches in series with the wire you are

troubleshooting.4. Turn on the short finder. It sends pulses of current to the

short. This creates a pulsing magnetic field around thewiring between the fuse box and the short.

5. Beginning at the fuse box, slowly move the short findermeter along the circuit wiring. The meter will show currentpulses along the interior trim. As long as the meter isbetween the fuse and the short, the needle will move witheach current pulse. Once you move the meter past thepoint of the short, the needle will stop moving. Checkaround this area to locate the cause of the short circuit.

TROUBLEHOOTINQ PROCEDURE BE-3-5


GENERAL SERVICE

In-line connectorsThe following illustrations show typical electrical connectorsand their disengagements.

• Insert a flat blade screwdriver in the locking tab and twist.• Grasp the connector housing and pull until the locking tab is

on the ramp.Turn the connector over and repeat the procedure on theopposite side of the connector.Grasp the connector housing and pull apart.

Disconnecting the connectorThe connector can be disconnected by pressing the lock lever.Do not pull on the wires when disconnecting the connector. Becareful to hold the connector itself when disconnecting it.

InspectionWhen a tester is used to check the continuity or to check thevoltage, insert the tester probe from the wire harness side.

GENERAL SERVICE BE-4-1

Wiring color codesTwo-color wires are indicated by a two-color code symbol. Thefirst color code indicates the base color of the wire and thesecond indicates the color of the stripe.

CodeВBr

G

LP

Lb

ColorBlackBrown

Green

Blue

Pink

Light Blue

Code

LgоR

Y

W

V

Color

Light greenOrange

Red

Yellow

White

Violet

Thin Insulation wireTo reduce the weight of the wiring harnesses, a thin coating ofa high resistance insulation material is used.

Shielded braid wireThe shielded braid wire is used to prevent malfunctions inthose circuits that are important and susceptible to outsidesignals or interference. For example:• Ignition coil signal• Heated Oxygen sensor (HtfeS) signal

Replacement of terminalsUse the appropriate tools to remove the terminal, as shown inthe illustrations.

NOTEWhen Installing a terminal, be sure to press It in until Itlocks securely.

Female typeInsert a push-tool, or thin piece of metal such as a smallscrewdriver, from the terminal side of the connector, and then,with the locking tabs pressed down, pull the terminal out fromthe rear side of the connector.

ВЕ-4-2

Male typeRefer to female type procedure.

ELECTRICAL DIAGNOSIS

GENERAL SERVICE В Е-4-3

ELECTRICAL WIRING SCHEMATIC ВE-W1 -1

BE-Y1-0 ELECTRICAL DIAGNOSIS

GROUP POINTS BE-Y1-1

STARAING AND CHARGING SYSTEM BE-A1-1

CIRCUIT OPERATION

Starting systemBattery voltage is always applied from the positive battery terminal to the ignition switch and the normally openstarter solenoid contacts of the starter motor. When the ignition switch is turned to "START" position and thetransaxle is in park or neutral (automatic transaxle), battery voltage is applied to the starter solenoid coils.The starter solenoid coils energize, the starter solenoid contacts close, and battery voltage is applied to the startermotor. The starter motor engages to start the engine.

Charging systemWhen the ignition switch is turned to "ON" or "STARP1 position, battery voltage is applied to the charge indicator andthe terminal В and S of the alternator. After the engine has started and is running, the alternator produces alternatingcurrent. The alternating current flows through a series of recifier diodes and is converted to direct current. The directcurrent and voltage deeps the battery fully charged and provides power to operate the vehicle's electrical system.The amount fo direct current and voltage, the alternator outputs, is controlled by the voltage regulator in alternator.If the voltage regulator senses that the output of the alternator is not sufficient for charging the battery, it will groundterminal L of the alternator and the charge indicator will illuminate.

SYMPTOM TABLE

Starter & alternator

SymptomWill not crank (starter motor does not operate)Will not crank (starter motor spins)Cranks slowly.Generator warning indicator Illuminates with engine running.Discharged battery.Misfire.Charging system failure.

Reference proccedurePRD1PRO 2PRD3PRO 4PRO 5PRO 6PRO 7

ВЕ-А1-2 ELECTRICAL DIAGNOSIS

TROUBLESHOOTING

PRD1: Will not crank (starter motor does no operate).

ELECTRICAL DIAGNOSIS BE-A1-3

PRD7: Charging system failureStep1

2

3

4

5

InspectionCheck battery voltage.Specifications: approximately 12.4VStart engine and check if charge-warning indicatorgoes out.Check if voltage at alternator terminals is as following:

Specifications

Terminal IG ON(V) ldle(V)В Approx.12 14.1-14.7L Approx.1 14.1-14.7S Approx.12 14.1-14.7

a) Connect an ammeter (80A minimum) betweenterminal В and harness,

b) Start engine,c) Turn all electrical loads ON and depress brake pedald) Check if output current is 65A or more at

2,500-3,000 rpm.

CautionDo not ground terminal B.

Check if drive belt tension is OK.(Refer to section ЕЕ, charging system)

YesNo

YesNo

YesNo

Yes

No

Yes

No

ActionGo to next step.Check battery.Go to step 4.Go to next step.Check wiring harness between battery and terminal B.Check wiring harnessReplace alternator.(Refer to section ЕЕ, charging system)

Charging system is normal.

Go to next step.

Replace alternator.(Refer to section EE,charging system)

Adjust drive belt tension.(Refer to section ЕЕ, charging system)

For a complete diagnosis of the starting system and the charging system, refer to section ЕЕ ofthis manual.

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ш6

mm

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IN9

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ВЕ-В2-0 ELECTRICAL DIAGNOSIS

ELECTRICAL DIAGNOSIS BE-B2-1

For a complete diagnosis of the cooling system, refer to section EM of this Manual.

ВЕ-С1-2

CIRCUIT OPERATIONLow oil pressure indicatorWith the ignition switch in "ON" position, battery voltage is applied to thelow oil pressure indicator in the instrument cluster through the "METER(10A)" fuse and the wire "Y". The indicator is grounded through the oilpressure switch whenever the oil pressure is below 0.7-2.6 kg/cm2 at 1000rpm. The bulb illuminates to warn the driver.

Fuel gaugeThe magnetic coils inside the instrument cluster control the pointer of thefuel gauge, whose circuit is grounded permanently through the terminal 1К(В) of C-01. Ground also is provied to the fuel gauge sender, which acts asa variable resistor. When the fuel in the tank is full, the resistance is lowand the pointer indicates full. When the fuel in the tank is low, theresistance is high and the pointer indicates empty.

Fuel low indicatorWith the ignition switch in "ON" position, battery voltage is applied to thefuel low indicator in the instrument cluster through the "METER (10A)" fuseand the wire "Y", whose circuit is grounded permanently. Ground also isprovided to the fuel gauge sender, which acts as a variable resistor. Whenthe fuel in the tank is below a specified level. The resistance rises and theindicator illuminates to warn the driver.

Fuel gauge senderA float attached to a variable resistor is mounted in the fuel tank. With a fulltank, the float arm sits at the top of the tank and the variable resistancevalue is high. As the float drops, so does the resistance value is low. Thesender operates the fuel gauge and fuel low indicator.

Engine coolant temperature gaugeThe coolant temperature gauge pointer is moved by the magnetic field oftwo coils at right angles to each other. Battery voltage is applied to the "C"coil from the "METER (10A)" fuse. The circuit then divides into two. Onepath continues through the "H" coil and than to ground.The other path goes through the variable resistance of engine coolanttemperature sender and than to ground. When the coolant temperature ishigh, the resistance of the engine coolant temperture sender is low and lesscurrent flows through the "H" coil, pushing the pointer toward "H" indicator,When the coolant temperature is low, the resistance of the engine coolanttemperature sender is high and more current flows through the "H" coil,pushing the pointer toward "C" indicator.With two operating the pointer, thegauge is not affected by changes in the voltage.

Engine coolant temperature senderThe engine coolant temperature sender is a thermistor, of which resistancedecreases as engine coolant temperature increases.

TachometerA solid state circuit controls the tachometer. With the engine runningignition coil pulses proportional to engine speed are read into the solid statecircuits, which output the engine speed in RPM through the tachometer.

SpeedometerA solid state circuit controls the speedometer. As the wheels are turned, anelectrical signal is sent from the vehicle speed sensor to the speedometerassembly. The speedometer registers the speed of the vehicle.

ODO/Trip meterBattery voltage is always applied to the ODO/Trip meter through the"MEMORY ROOM(15A)" fuse and the wire "Y/L", whose circuit is groundedpermanently through terminal 1 K(B) of C-01. As the wheels are turned, anelectrical pulse signal is sent from the vehicle speed sensor to theODO/Trip meter assembly. The meter resisters the driving distance of oneKilometer per 2,548 pulse signals of the vehicle speed sensor.

ELECTRICAL DIAGNOSIS

INSTRUMENT CLUSTER & WARNING LAMPS BE-C1-3

CIRCUIT TESTING

Tachometer1. Using a techometer tester, check the vehicle's tachometer for allowable indication error

Standard (RPM)

1000

2000

3000

4000

5000

6000

70008000

Allowance range (RPM)

880-1060

1970-2150

3000-3270

4000-4240

5000-5300

6000-6360

7000-74208000-8480

Inspection point: 1000,3000,6000 rpm (at 25° C, 10-15V)

2. If vehicle's tachometer does not indicate within the allowable error range, replace the tachometer.

Speedometer1. Using a speedometer tester, check the vehicle's speedometer for allowable indication error.

Standard (km/h)4080120

Allowance range (RPM)40-4380-84

120-126

2. If the vehicle's speedometer does not indicate within the allowable error range, replace the speedometer.

Engine coolant temperature gauge1. Check if the indicator of engine coolant temperature gauge is within the allowance range by use of variable

resistance.

TemperaturefC )

Indicator̂ )

Allowance^ )

Resistance( Q )

(C)50

-30

—

190

85

-5

±5

48

104

+5

±5

28.3

(HJ125

+30

—

16.8

2. If the engine coolant temperature gauge does not indicate within allowable range, replace the engine coolanttemperature gauge.

Fuel gauge1. Check if the indication of the fuel gauge is within allowance range by use of variable resistance.

Indicator

Reslstance( a )

Error(°)

E

95

±2.4

1/4

51

—

1/2

32.5

±5

3/4

18.5

—

F

6.5

±2.4

2. If the fuel gauge does not indicate within the allowable error range, replace the fuel gauge.

Engine coolant temperature sensor1. Check if the resistance of engine coolant temperature sensor is within the below specifications in certain

temperature.

Coolant temperature^ C)

Resistance( Q )50

180.5-198.5

125

14.4-15.9

2. И beyond the specifications, replace the engine coolant temperature sensor.

BE-D1-0 ELECTRICAL DIAGNOSIS

FRONT WIPER & WASHER SYSTEM BE-D1-1

CIRCUIT OPERATION

FRONT WIPER & WASH OPERATION

Low and High PositionsWhen the ignition switch is turned to "ON" or "START1 position, battery voltage is applied to front wiper & washerswitch terminal A (L) (without airbag) or С (L) (with airbag) of D-01 and front wiper motor terminal F (L) of D-02. Inthe "HI" position of the wiper & washer switch, battery voltage is applied to the wiper motor terminal C(R/W) of D-02.In the "LO" position of the wiper & washer switch, battery voltage is applied to the wiper motor terminal E (G) of D-02.The wiper motor has some separated brushes and windings for low and high speed operation. When the wiper &washer switch is in "LO" or "HI" position, one of the brushes is connected to ground through the wiper motor. Wipermotor operates in "LO" or "HI" speed.

Park PositionWhen the wiper & washer switch is turned to "OFF" position from any positions, the wipers will complete "PARK"position. In the "OFF" position of the wiper & washer switch, battery voltage is applied to the wiper motor terminal E(G) of D-02 through the wire "G", INT relay, and the wire "W". The wiper motor continues to run until the"PARK"position, in which battery voltage is closed through open between terminal D (Y) and F (L) of the wiper motorD-02. The wiper motor stops in "PARK" position.

Int positionWith the wiper & washer switch in "INT1 position, battery voltage is applied to INT relay through the terminal A (L)(without airbag) or С (L) (with airbag) of the wiper & washer switch D-01.This triggers the timer circuit and shortly energizes the relay as the INT relay routes GND through the terminal С (В)(without airbag) or A (B) (with airbag) of the wiper & washer switch D-01. Battery voltage is applied to the terminal E(G) of the wiper motor D-02 long enough to pull the wiper motor out of the "PARK" position.Battery voltage also is applied to the terminal E (G) of the wiper motor D-02 through the wire "G", INT relay, and thewire "Y".The wiper motor stops when the wipers return to their "PARK" position. When the timer circuit times out, it againenergizes the INT relay momentarily, repeating the wiper cycle. Rotating the wiper & washer switch can vary thetimer circuit's period.

Front washer operationWhen the washer switch is pulled towards the driver, battery voltage is applied to the washer motor terminal В (R/B)of D-03 through the wiper & washer switch and the wire "R/B", which runs washer motor. The washer switch alsoapplies battery voltage to the wiper motor terminal E (G) of D-02 through the wiper & washer switch and the wire "G".The wiper and washer motors run until the washer switch is released.

Symptom table

Front wiper & washer system

SymptomWipers do not operate in "HI" or "LO" position.Wiper motor does not operate correctly in "IMP1 position.Wipers run when switch in "OFF1 position.Wipers stop randomly and do not park when switch is turned "OFF" position.Washer does not operate.

Reference procedurePRD1PRD2PRD3PRD4PRD5


PRD2: Front wiper motor does not operate correctly in "INT" position

Preliminary Check:Check "FRONT WIPER (15A)" fuse. If open, check for short to ground through the wire "L" and overload, and checkthat all system electrical connectors mated correctly.

Step

1

2

3

4

5

6

7

8

9

Inspection

Turn the ignition switch to "ON" position.Connect a test light between the terminal A (L)(without airbag) or С (L) (with airbag) of wiper &washer switch and ground.Is a test light ON?

Connect a test light between the terminal F (L) ofwiper motor D-02 and ground.Is a test light ON?

Connect a test light between the terminal F (L) ofwiper motor D-02 and A (B) of D-02.Is a test light ON?

Connect a test light from the terminal F (G) ofwiper & washer switch D-01 to ground.Is a test light ON when turning the wiper & washerswitch to "INT" position?

Turn the wiper & washer switch to "INF position.Connect a test light between the terminal D (Y) ofwiper motor D-02 and ground.Is a test light ON and OFF periodically?

Connect a test light between the terminal D (Y) ofwiper & washer switch D-01 and ground.Is a test light ON and OFF periodically?

Connect a test light between the terminal F (G) ofwiper & washer switch D-01 and ground.Is a test light ON and OFF periodically?

Connect a test light between the terminal E (G) ofwiper motor D-02 and ground.Is a test light ON and OFF periodically?

Connect a test light between the terminal С (G)and the terminal A (B) of wiper motor D-02.Is a test light ON and OFF periodically?

YesNo

YesNo

YesNo

YesNo

Yes

No

YesNo

YesNo

YesNo

YesNo

Action

Go to next stepRepair open or short in the wire "L" to wiper & washerswitch assembly or replace as necessary.

Go to next step.Repair open or short in the wire "L" to wiper motorassembly or replace as necessary.

Go to next step.Repair open in the wire "B" to wiper motorassembly or replace as necessary.

Go to next step.Check a poor connection at wiper & washer switchterminal F (G) of D-01. If OK, replace wiper & washerswitch assembly.

Go to next step

Check a poor connection at wiper motor assembly. IfOK, replace wiper motor assembly.

Go to next step.Repair open or short in the wire "Y" between wipermotor and wiper & washer switch or replace as necessary.

Go to next step.Repair open or short in the wire "G" between wiper &washer switch and wiper motor or replace as necessary.

Go to next stepRepair open or short in the wire "G" between wiper &washer switch and wiper motor or replace as necessary.

Check wiper motor assembly.Check a poor connection at wiper motor assembly. IfOK, repair open in the wire "B" or replace as necessary.

PRD3: Front wipers run when switch is in "OFF" positionPreliminary Check:

Check "FRONT WIPER (15A)" fuse. If open, check for short to ground through the wire "L" and overload, andcheck that all system electrical connectors mated correctly.

Step

1

2

Inspection

Turn ignition switch to "ON" position and wiper &washer switch to "OFF" position.Does wiper motor keep running whendisconnecting wiper & washer switch connectorD-01?

Does wiper motor keep running whendisconnecting wiper motor connector D-02?

YesNo

YesNo

Action

Go to next step.Check for short wires to wiper & washer switch assembly.If OK, replace wiper & washer switch assembly.

Replace wiper motor assembly.Check for short wires to wiper motor. If OK, replace wipermotor assembly.

PEAR WIPER & WASHER SYSTEM BE-D2-1

PEAR WIPER & WASHER SYSTEM BE-D2-3

ВЕ-Е1-0 ELECTRICAL DIAGNOSIS

HEADLIGHIS WITHOUT AIRBAG BE-E1-1

CIRCUIT OPERATION

HeadlightsWithout airbagBattery voltage is applied to the light switch directly through "HEAD (25A)" fuse, and wire "L/B". In the "HEAD"position of the light switch and the "HL" position of the dimmer switch, battery voltage also is applied to the LO beamfilaments of the right and left headlight through the light switch, "HEAD LOW (15A)" fuse, and wire"Y/R". Theheadlight LO beams illuminate.With the dimmer switch in the "HU" position, battery voltage also is applied to the beam indicator and the HI beamfilaments of the right and left headlight through the light switch, "HEAD HI (15A)" fuse, and wire "W/G". Theheadlight HI beam lights and indicators illuminate.When the flash-to-pass switch is activated, battery voltage is applied to the HI beam indicators and the HI beamfilaments of the right and left headlight through the flash-to-pass switch and "HEAD HI (15A)" fuse. The headlight HIbeam lights and indicators illuminate.The HI beam indicators illuminate when the dimmer switch is in "HU" position or the flash-to pass switch is activated.

SYMPTOM TABLE

Headlights without airbag system

SymptomLow beam headlights do not operate.High beam headlights do not operate.High beam headlights do not operate by flash-to pass switch.

Reference procedurePRD1PRD2PRD3

HEADLIGHTS WITHOUT AIRBAG BE-E1-3

PRD3: High beam headlights do not operate by flash-to-pass switchPreliminary check:Check open lamp filaments before proceeding with diagnosis. If headlight bulb is damaged, check connection of the

bulb and replace bulb. Also, check "HEAD (25A)", and "HEAD HI (15A)" fuse. If open, check for short and overload,replace fuses and check that all system electrical connectors mated correctly.

Step

1

2

3

4

5

Inspection

Connect a test light between the terminal 2A (L/B)of combination switch E-01 and ground.Is a test light ON?

With pulled the flash-to pass switch toward driver.Connect a test light between the terminal В (L/W)of combination switch E-02 and ground.Is a test light ON?

Connect jumper wire between the terminal A (L/B)of E-01 and terminal В (L/W) of E-02.Connect a test light between the terminal A (W/G)of LH headlights E-06 or/and RH headlightsE-07 and ground.Is a test light ON?

Connect a test light between the terminal A (W/G)and terminal D (B) of LH headlights E-06.Is a test light ON?

Connect a test light between the terminal A (W/G)and terminal D (B) of RH headlights E-07.Is a test light ON?

YesNo

YesNo

YesNo

Yes

No

Yes

No

Action

Go to next step.Repair open and short circuits in the wire "|_/в" tocombination switch or replace as necessary.

Go to next step.Check for a poor connection to combination switch. IfOK, replace combination switch.

Go to next step.Check for a poor connection to combination switch. IfOK, repair open or short in the wire "W/G" or replace asnecessary.

Check for a poor connection to headlights. If OK,replace the headlight bulb.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.Check for a poor connection to headlights. If OK,replace the headlight bulb.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

CIRCUIT TESTING

Combintion switch (headlight switch)

(without airbag)1. Disconnect the combination switch.

~̂"~~---̂ ^̂ Terminal

Position ^̂ ~̂--̂ ^̂

DIMMER

SWITCH

LIGHT

SWITCH

FLASH

t

HL

tни

OFF

PARK

J

HEAD

E-02

В С D E

E-01

2A 2B

0-0: indicates continuity2. Check for continuity between terminal as indicated.

3. If not as specified, replace the combination switch assembly


TROUBLESHOOTING

PRD1: Low beam headlights do not operatePreliminary check:Check an open lamp filaments before proceeding with diagnosis. If headlight bulb is damaged, check connection ofthe bulb and replace bulb. Also, check "HEAD (25A)" and "HEAD LOW (15A)" fuse. If open, check for short andoverload, replace fuses and check that all system electrical connectors mated correctly.

HEADLIGHTS WITH AIRBAG BE-E2-1

CIRCUIT OPERATION

Headlights(With airbag)

Battery voltage is always applied to the terminal A (LIB) ofcombination switch through the wire "L/B" When the flash-to-pass switch is activated, battery voltage is applied to the HIbeam indicators and the HI beam filaments of the right and leftheadlight through the "HEAD (25A)" fuse, flash-to-pass switch,and "HEAD HI (15A)" fuse. The HI beam headlights andindicators illuminate.Battery voltage is always applied form "TNS (15A)" fuse to oneside of TNS relay coil, other side of which is grounded bycombination switch operation. When the combination switch isin "PARK" of "HEAD" position,TNS relay is energized andbattery voltage is applied to exterior lights through the relay.The exiterior lights illuminate.Battery voltage is always applied form "HEAD(25A)" fuse toone side of HEADLIGHT relay coil, other side of which isgrounded by combination switch operation. In the "HEAD"position of the light switch and the "HL" position of the dimmerswitch, the relay routes GND through the combination switch,when the relay is energized, battery voltage also is applied tothe LO beam filaments of the right and left headlights throughthe combination switch and "HEAD LOW(15A)" fuse. Theheadlight LO beams illuminate. With the dimmer switch in the"HU" position, battery voltage also is applied to the HI beamindicator and the HI beam filaments of the right and leftheadlights through the combination switch and "HEAD HI(15A)"fuse. The HI beam headlights and indicator illuminate.The HI beam indicator illuminates when the dimmer switch is in"HU" position or the flash-to pass switch is activated.


PRD2: High beam headlights do not operatePreliminary check:Check an open lamp filaments before proceeding with diagnosis. If headlight bulb is damaged, check connection ofthe bulb and replace bulb. Also, check "HEAD (25A)", "HEAD HI (15A)" fuse, and HEADLIGHT relay. If open, checkfor short and overload, replace fuse and relay and check that all system electrical connectors mated correctly.

Step

1

2

3

4

5

6

7

8

Inspection

Connect a test light between the terminal В (L) ofcombination switch E-05 and ground.Is a test light ON?

Connect a test light between the terminal В (L) andterminal H (B) of combination switch E-05.Is a test light ON?

Ground the terminal В (W/L) of combinationswitch E-05.Connect a test light between the terminal D (G/R)of combination switch E-05 and ground.Is a test light ON?

Remove ground from the terminal B(W/L)of combination switch E-05 andturn combination switch to "HEAD" position.Connect a test light between the terminal D (R/G)of combination switch E-05 and ground.Is a test light ON?

Make sure the dimmer switch is in "HI" positionConnect a test light between the terminal L (L/W)of combination switch E-05 and ground.Is a test light ON?

Connect a test light between the terminal A (W/G)of LH headlight E-06 or/and RH headlight E-07and ground.Is a test light ON?

Connect a test light between the terminal A (W/G)and the terminal D (B) of LH headlight E-06.Is a test light ON?

Connect a test light between the terminal A (W/G)and the terminal D (B) of RH headlight E-07.Is a test light ON?

YesNo

YesNo

YesNo

YesNo

YesNo

YesNo

Yes

No

Yes

No

Action

Go to next step.Repair open or short in the wire "L" to combinationswitch or replace as necessary.

Go to next step.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

Go to next step.Repair open or short in the wire "G/R" or replace asnecessary.

Go to next step.Repair or replace combination switch.

Go to next step.Check for a poor connection to combination switch.If OK, repair or replace combination switch.

Go to next step.Check for a poor connection to combination switch. IfOK, repair open or short in the wire "W/G" or replace asnecessary.

Check for a poor connection to LH headlight. If OK,replace the LH headlight bulb.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

Check for a poor connection to RH headlight. If OK,replace the RH headlight bulb.

Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.


SYMPTOM TABLE

Headlights with airbag system


PRD3: High beam headlights do not operate by flash-to pass witchPreliminary check:Check open lamp filaments before proceeding with diagnosis. If headlight bulb is damaged, check connection of thebulb and replace bulb. Also, check "HEAD (25A)" and "HEAD HI (15A)" fuse. If open, check for short and overload,replace fuses and check that all system electrical connectors mated correctly.

STOPLIGHTS, BACK-UP LIGHTS, LICENSE LIGHTS (4 DOOR), TAIL LIGHTS BE-E3-1

CIRCUIT OPERATION

License and Taillights(without airbag)With the light switch in "PARK" or "HEAD" position, battery voltage is applied to the taillights, license lights throughthe "TAIL (10A) LH" and "TAIL (10A) RH" fuse. The mentioned lights illuminate.

(with airbag)With the light switch in "PARK" or "HEAD" position, one side of "TNS" relay coil is grounded through the lightswitch, energizing the relay (the other side of the coil is powered through "TNS (15A)" fuse).When energized, the normally open contacts of the TNS relay close, allowing battery voltage to be applied to thetaillights, license lights through the "TAIL (10A) LH" and "TAIL (10A) RH" fuse. The mentioned lights illuminate.

Backup lights

With the ignition switch in "ON" or "START', battery voltage is applied to one side of the backup light switch (MT,inhibitor switch for AT) through the "METER (10A)" fuse. When the shift lever is in reverse position, battery voltage isapplied to the backup lights through the backup switch. The lights illuminate.

Stop lights

Battery voltage is always applied from "STOP (15A)" fuse to the stop light switch through. When the brake pedal isdepressed, the stop switch closes and battery voltage is applied to the high mounted stop light and both stop lightsthrough the stop light switch. The mentioned lights illuminate for depressing the brake pedal.

SYMPTOM TABLE

SymptomTaillights do not operate.License lights do not operate.Backup lights do not operate.Stoplights do not operate.

Reference procedurePRD1PRD2PRD3PRD4

ВЕ-ЕЗ-2 ELECTRICAL DIAGNOSIS

TROUBLESHOOTING

PRD1: TaJllights do not operatePreliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb and

replace bulb. In addition, check "TAIL (15A) LIT and "TAIL (15A) RH" fuses and TNS relay. If open, check for shortto ground through the wire "R/G" or "L/B" and overload, replace fuse or relay and check that all system electricalconnectors mated correctly.

ВЕ-ЕЗ-4 ELECTRICAL DIAGNOSIS

PRD4: Stoplights do not operatePreliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb and

replace bulb. In addition, check "STOP (15A)" fuse. If open, check for short to ground through the wire "R/B",replace fuse and check that all system electrical connectors mated correctly.

Step

1

2

3

4

Inspection

Check for voltage at the terminal A (BR) of stoplight switch connector F-06.Is battery voltage present?

Check for voltage at the terminal В (R/B) of stoplight switch while depressing brake pedal.Is battery voltage present?

Use a jump wire to bypass between the terminal A(BR) and the terminal В (R/B) of stop light switchconnector F-06.Check for voltage at the following terminals.• Terminal В (R/B) of LH stop light E-1 1 .• Terminal В (R/B) of RH stop light E-1 2.

Is battery voltage present respectively?

Remove a jumper wire.Check for continuity between ground and thefollowing terminals.• Terminal F (B) of LH stop light E-1 1 .• Terminal F (B) of RH stop light E-1 2.

Is continuity present respectively?

YesNo

YesNo

YesNo

Yes

No

Action

Go to next step.Repair open or short in the wire "BR" or replace asnecessary.

Go to next step.Check for a poor connection at stop light switch. If OK,adjust or replace the stop switch.

Go to next step.Repair open or short in the wire "R/B" or replace asnecessary.

Check for a poor connection at lights. If OK, replacelight bulbs.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

LICENSE LIGHTS (5DOOR) BE-E4-1

CIRCUIT OPERATION

License lights (5 Door)(without airbag)With the light switch in "PARK" or "HEAD" position, battery voltage is applied to the license lights through the "TAIL(10A) LH" fuse. The mentioned lights illuminate.

(with airbag)With the light switch in "PARK" or "HEAD" position, one side of "TNS" relay coils is grounded through the lightswitch, energizing the relay (the other side of the coil is powered through "TNS (15A)" fuse).When energized, the normally open contacts of the TNS relay close, allowing battery voltage to be applied to thetaillights, license lights through the "TAIL (10A) LH" fuse. The mentioned lights illuminate.

SYMPTOM TABLE

SymptomLicense lights do not operate.

Reference procedurePRD1

LICENSE LIGHTS (5DOOR) BE-E4-3


TROUBLESHOOTING

PRD1: License lights do not operatePreliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb and

replace bulb. In addition, check "TAIL (15A) LIT fuse and TNS relay. If open, check for short to ground through thewire "R/G" and overload. Replace fuse or relay and check that all system electrical connectors mated correctly.

Step

1

2

3

4

5

Inspection

Connect a test light between the terminal С (G) ofcombination switch E-5 and ground.Is a test light ON?

Connect a test light between the terminal С (G)and terminal H (B) of combination switch E-05.Is a test lights ON?

Disconnect combination switch connector E-05.Check for continuity between the terminals ofcombination switch by turning the switch.Is combination switch normal?

Connect combination switch connector E-05.Turn the combination switch to "PARK" position.Connect a test light between ground and thefollowing terminals.• The terminal В (R/G) of LH license light E-08.• The terminal В (R/G) of RH license light E-09.

Is a test light ON respectively?

Connect a test light between terminal В (R/G) andterminal A (B) of LH license lights E-085 or/andRH license light E-09.Is a test light ON?

YesNo

YesNo

YesNo

Yes

No

Yes

No

Action

Go to next step.Repair open or short in the wire "G" to combinationswitch or replace as necessary.Go to next step.Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

Go to next step.Replace combination switch assembly.

Check for a poor connection to headlights. If OK,replace the headlight bulbs.Repair open or short in the wire "R/G" or replace asnecessary.

Check for a poor connection at license light. If OK,replace the license light.Check a poor connection at ground. If OK, repair openin the wire "B" or replace as necessary.

TURN & HAZARD FLASHER UNIT BE-F1-1

CIRCUIT OPERATION

Turn lights

With the ignition switch in "ON" or "START", battery voltage is applied from "TURN (10A)" fuse to the flasher unitthrough the hazard switch (Hazard switch is OFF). When the turn signal switch is turned to "LIT or "RH" position,the flasher unit alternately opens and closes a solid state switch, which send pulses of battery voltage to the "LH" or"RH" turn lights, and indicator through the turn switch. The appropriate lights and indicator flash.

Hazard lights

Battery voltage is always applied from "HAZARD (15A)" fuse to the hazard switch. The flasher unit is groundedthrough the terminal В (В) permanently. When the hazard switch is pressed battery voltage is applied to the flasherunit through the hazard switch. The flasher unit alternately opens and closes to a solid state switch which sendspulses of battery voltage to the turn lights and indicators through the hazard switch. The lights and both indicatorsflash "ON" and "OFF" until the hazard switch open.

SYMPTOM TABLE

Turn signal lights & hazard function

SymptomTurn signal lights do not operate.Hazard function does not operate.

Reference procedurePRD1PRD2

TURN & HAZARD FLASHER UNIT BE-F1-3

PRD2: Hazard function does not operate

Preliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb and

replace bulb. In addition, check "HAZARD (15A)" fuse. If open, check for short to ground through the wire "W",replace fuse and check that all system electrical connectors mated correctly.

Step

1

2

3

4

5

6

7

8

9

10

Inspection

Disconnect the hazard switch connector.Check for voltage at the terminal F (W) of hazardswitch harness connector F-03.Is battery voltage present?

Connect the hazard switch connector and switchthe hazard switch connector to ON position.Check for voltage at terminal H (BR) of the hazardswitch F-03.Is battery voltage present?

Check for voltage at terminal С (BR) of flasherunit connector F-01 .Is battery voltage present?

Check for voltage between the terminal С (BR)and terminal В (В) of flasher unit connector F-01.Is battery voltage present?

Check for voltage at the terminal A (R/L)of flasher unit connector F-01 .Is battery voltage present periodically?

Check for voltage at the terminal D (R/L)of hazard switch connector F-03.Is battery voltage present periodically?

Check for voltage at the terminal L (G/W) oftiazard switch connector F-03.Is battery voltage present periodically?

Check for voltage at terminal J (G/Y) ofhazard switch connector F-03.Is battery voltage present periodically?

Check for voltage at the following terminals.• LH front turn: В (G/Y) of F-04• LH indicator: 2A (G/Y) of C-02. LH rear turn: D (G/Y) of E-11• RH front turn: В (G/W) of F-05• LH indicator: 2N (G/W) of C-02• LHrearturn:D(G/W)ofE-12

Is battery voltage present periodically?

Check for continuity between ground and thefollowing terminals.• LH front turn: A (B) of F-04• LH indicator: 1 К (В) of C-01• LH rear turn: F (B) of E-1 1• RH front turn: A (B) of F-05• LH indicator:! К (В) of C-02• LHrearturn:F(B)ofE-12.

Is continuity present?

YesNo

YesNo

YesNo

YesNo

YesNo

YesNo

YesNo

YesNo

YesNo

Yes

No

Action

Go to next stepRepair open or short circuits in the wire "W orreplace as necessary.

Go to next step.Repair open or short in the wire "BR" or replace asnecessary.

Go to next step.Repair open or short in the wire "BR" or replaceas necessary.

Go to next step.Check for a poor connection of the flasher unit.If OK, repair open in the wire "B" or replace as necessary.

Go to next step.Check for a poor connection at the flasher unit.If OK, replace the flasher unit.

Go to next step.Repair open or short in the wire "R/L" or replaceas necessary.

Go to next step.Check for a poor connection at hazard switch.If OK, inspect hazard switch.

Go to next step.Check for a poor connection at hazard switch connector.If OK, inspect hazard switch.

Go to next step.Repair open or short in the wire "G/Y" or/and "G/W" orreplace as necessary.

Check for a poor connection at the turn lights. If OK,replace damaged bulb.Check for a poor connection at ground. If OK,repair open in the wire "B" or replace as necessary.

BE-F1-2 ELECTRICAL DIAGNOSIS

TROUBLESHOOTING

PRD1: Turn signal lights do not operatePreliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb andreplace bulb. In addition, check "TURN (10A)" fuse. If open, check for short to ground through the R/B wire, replacefuse and check that all system electrical connectors mated correctly.

HIGH-MOUNTED STOP LIGHTS BE-F2-01

CIRCUIT OPERATION

High-mounted stoplights

Battery voltage is always applied from "STOP (15A)" fuse to the stop light switch. When the brake pedal isdepressed, the stop switch closes and battery voltage is applied to the high mounted stop light and both stop lightsthrough the stop light switch. The mentioned lights illuminate for depressing the brake pedal.

SYMPTOM TABLE

Symptom

High-mounted stoplights do not operate.

Reference procedure

PRD1

TROUBLESHOOTING

PRD1: High mounted stoplight does not operatePreliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb and

replace bulb. In addition, check "STOP (15A)" fuse. If open, check for short to ground through the wire "R/B",replace fuse and check that all system electrical connectors mated correctly.

Step

1

2

3

4

Inspection

Check for voltage at the terminal A (BR) of stop lightswitch connector F-06.Is battery voltage present?

Check for voltage at the terminal В (R/B) of stop lightswitch while depressing brake pedal.Is battery voltage present?

Use a jump wire to bypass between the terminal A(BR) and the terminal В (R/B) of stop light switchconnector F-06.Check for voltage at the terminal A (R/B) of highmounted stop light connector F-07.Is battery voltage present?

Remove a jumper wire.Check for continuity between ground and theterminal В (В) of high mounted stop light connectorF-07.

Yes

No

YesNo

YesNo

Yes

No

Action

Go to next step

Repair open or short in the wire "BR" or replace asnecessary.

Go to next step.Check for a poor connection at stop light switch. If OK,adjust or replace the stop switch.

Go to next step.Repair open or short in the wire "R/B" or replace asnecessary.

Check for a poor connection at lights. If OK, replacelight bulbs.

Check for a poor connection at ground. If OK, repairopen in the wire "B" or replace as necessary.

BE-F2-0 ELECTRICAL DIAGNOSIS

HEATING AND AIR CONDITIONING SYSTEM BE-G1-1

For a complete diagnosis regarding the heating and air conditiontig system, refer to section HA ofthis Manual.

BE-G1-0 ELECTRICAL DIAGNOSIS

ELECTRICAL DIAGNOSIS BE-H1-1

For a complete diagnosis regarding the EC-AT control system, refer to section AT of this Manual.

BE-H1-0 ELECTRICAL DIAGNOSIS

ROOM LAMP, TRUNK ROOM LAMP, CARGO ROOM LAMP, AND POWER SOCKET BE-11-1

CIRCUIT OPERATION

Room lamp

Battery voltage is always applied to the room lamp through the "ROOM (15A)" fuse. In case that each room lampswitch is in DOOR position, when one or more door is opened the lamps will illuminate. The room lamp illuminates byturning lamp switch.

Trunk room lamp and cargo room lamp

Battery voltage is always applied to the POWER SOCKET relay through the "POWER SOCKET (15A)" fuse. Whenthe trunk or/and back door is opened the lamps will illuminate.

Power socket

Battery voltage is always applied to the room lamps through the "POWER SOCKET (15A)" fuse. With the ignitionswitch in "ACC" position, battery voltage is applied to one side of power socket relay coil and the relay is energizedas the other side of the relay coil is grounded permanently. When the relay is activated, battery voltage is applied topower socket through the relay.

SYMPTOM TABLE

Room lamp

ROOM LAMP, TRUNK ROOM LAMP, CARGO ROOM LAMP, AND POWER SOCKET BE-11-3


PRD2: Trunk room lamp does not operate.Preliminary check:Check open lamp filaments before proceeding with diagnosis. If bulb is damaged, check connection of the bulb andreplace bulb. In addition, check "POWER SOCKET (15A)" fuse. If open, check for short to ground through the wire"L", replace fuse and check that all system electrical connectors mated correctly.

ILLUMINATION LAMP BE-12-1

CIRCUIT OPERATION

IlluminationWhen the light switch is turned to "ON" position battery voltageis applied from INS relay to the illumination lamps, which isgrounded permanently. The illuminations illuminate.

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ILLUMINATION LAMP BE-12-1

CIRCUIT OPERATION

IlluminationWhen the light switch is turned to "ON" position battery voltageis applied from INS relay to the illumination lamps, which isgrounded permanently. The illuminations illuminate.

KEYLESS ENTRY SYSTEM BE-13-1

CIRCUIT OPERATION

Keyless entry systemThis system consists of a keyless entry receiver and transmitter. The receiver picks up the transmitted radiofrequencies from the transmitter with sufficient power to operate the system and sends a pulsed signal to the keylessentry receiver, which controls the door lock relay and hazard relay.Battery voltage is always applied from "HAZARD (15A)" to the terminal A (W) of the keyless entry receiver, theterminal A (W) of keyless switch, and the terminal A (W) of the hazard relay. The keyless entry receiver is groundedpermanently at the terminal P (B).

When the LOCK button of the transmitter is pressed, the receiver is activated if the keyless switch and the set switchare in "OFF" position, allowing battery voltage to be applied to is applied to the terminal G (R) of door lock relay forapproximately 0.2 second. The door lock relay is energized for the period and battery voltage is applied from the"DOOR LOCK (25A)" fuse to the door lock motor through the terminal F (G) of door lock relay.The door lock motors are locked.In addition, in case that all doors are closed (all door switches are opened), the receiver makes the hazard relay tobe energized once for a short time, allowing all turn lights to illuminate and go out.

When the UNLOCK button of the transmitter is pressed, the receiver is activated if the keyless switch and the setswitch are in "OFF" position, allowing battery voltage to be applied to is applied to the terminal H (Y) of door lockrelay for approximately 0.2 second. The door lock relay is energized for the period and battery voltage is applied fromthe "DOOR LOCK (25A)" fuse to the door lock motor through the terminal D (L) of door lock relay.The door lock motors are unlocked.In addition, in case that all doors are closed (all door switches are opened), the receiver makes the hazard relay tobe energized twice for a short time, allowing all turn lights to blink two times.

When the LOCK or UNLOCK button of the transmitter pressed, If one more of door is opened, the lock relay isactivated but the hazard relay is deactivated.

Coding procedure without code server1. Set coding switch (SET S/W) in SET position.2. Press LOCK and UNLOCK button of transmitter for approximately one second.3. Press LOCK or UNLOCK button of transmitter one more.4. Set coding switch in OFF position.5. Check for "LOCK" and "UNLOCK" operation.

Coding procedure with code server1. Connect the coding server to the keyless entry receiver.2. Switch the button of coding server from red color position to blue color position.3. Make sure that the coding switch (SET S/W) is in OFF position.4. Press LOCK and UNLOCK button of transmitter for approximately one second.5. Press LOCK or UNLOCK button of transmitter one more.6. Set coding switch in OFF position.7. Disconnect the coding server from the keyless entry receiver.8. Check for "LOCK" and "UNLOCK" operation.

SYMPTOM TABLE

Keyless entry system

SymptomKeyless entry system does not operate entirely.Hazard does not operate.All doors do not operate.

Reference procedurePRD1PRD2PRD3


PRD2: Hazard does not operatePreliminary check:

Check for "HAZARD (15A)" fuse and HAZARD relay. If open, check for short to ground through the wire "W/R" andreplace fuse or/and relay. In addition, check that all system electrical connectors mated correctly.

Step

1

2

3

4

Inspection

Check for voltage at the terminal A (W) of thehazard relay connector 1-14.Is battery voltage present?

Check for voltage at the terminal H (W/R) of thekeyless entry receiver connector 1-14.Is battery voltage present?

Close all doors (all door switches is opened).Check for continuity between the terminal M (G/R)of the keyless entry receiver connector 1-1 5 andground.Is continuity present?

When the LOCK button is pressed, check forcontinuity the terminal H (W/R) of the keylessentry receiver connector 1-15 and ground.Is continuity present momentarily?

YesNo

Yes

No

YesNo

Yes

No

Action

Go to next step.Repair open or short in the wire "W" or replace asnecessary.Go to next step.

Repair open or short in the wire "W" or replace asnecessary.

Repair short in the wire "G/R" or replace as necessary.Go to next step.

Check for open or short in the wire "G/W or/and "G/Y"between the hazard relay and turn signal lights.

Check for a poor connection at the keyless entryreceiver. If OK, replace the keyless entry receiver.

PRD3: All doors do not operatePreliminary check:

Check for "DOOR LOCK (15A)" fuse and DOOR LOCK relay. If open, check for short to ground through the wire"R/B" and replace fuse or/and relay. In addition, check that all system electrical connectors mated correctly.

Step1

2

3

4

Inspection

Check for voltage at the terminal A (R/B) of thedoor lock relay connector 1-1 6.Is battery voltage present?

Check for voltage at the terminal A (R/B) andterminal В (B)of the door lock relay connector 1-16.Is battery voltage present?

Check for the wire "R" or/and "Y" between thekeyless entry receiver and the door lock relay.Are the wires normal?

Check for the wire "L" or/and "G" between thedoor lock motors and the door lock relay.Are the wires normal?

YesNo

YesNo

YesNo

YesNo

Action

Go to next step.Repair open or short in the wire "R/B" or replace asnecessary.Go to next step.Repair open in the wire "B" or replace as necessary.

Go to next step.Repair open or short in the wire "R" or/and "Y" or replace asnecessary.

Check for door lock motors.Repair open or short in the wire "L" or/and "G" orreplace as necessary.


Door lock relay1. Disconnect the door lock relay.2. Check for continuity between terminal of the relay 1-16.


CIRCUIT TESTING

Keyless switch1. Check for continuity between terminal as indicated.

DOOR LOCK SYSTEM BE-14-1

CIRCUIT OPERATION

Door Lock SystemThe door lock system can be controlled manually by the door lock switch, which is located in the driver door.Battery voltage is always applied from "DOOR LOCK (25A)" fuse to the terminal В (R/B) of door lock relay. Theterminal A (B) of the relay is grounded permanently and the terminal D (Y/R) of the relay is grounded through theterminal A (B).With the door lock switch locked, the terminal H (R/Y) of the relay is grounded through the door lock switch, allowingthe lock side coil of door lock relay to be energized. When the relay is activated, battery voltage is applied from the

door lock relay to the wire "L" of the door lock motor and the wire "G" of the door lock motor is grounded through thedoor lock relay. The doors operate for approximately 0.2 (i.e. while the relay is activated). All doors are locked.When the door lock switch is unlocked, battery voltage is applied to the door lock motors in opposite side and theother side to be grounded. The motors operate in opposite direction and all doors are unlocked.

SYMPTOM TABLE

Door lock system

Symptom

Power door lock does not operate.

Reference procedurePRD1

DOOR LOCK SYSTEM BE-14-3

CIRCUIT TESTING

Door lock switch.1. Disconnect the door lock switch.2. Check for continuity between terminal as indicated.


TROUBLESHOOTING

PRD1: Door lock system does not operatePreliminary check:

Check "DOOR LOCK (25A)" fuse and door lock relay. If open, check for short to ground through the "R/B"replace fuse or relay. In addition, check that all system electrical connectors mated correctly.

and

AUDIO

CIRCUIT OPERATION

AudioBattery voltage is always applied to the terminal С (R) ofAUDIO through "ROOM (10A)" fuse for the memory relatedfunctions, which retains the station presets when the AUDIO isturned OFF. With the ignition switch in "ACC" or "ON", batteryvoltage is applied to the terminal A (BR/R) of AUDIO through

the "AUDIO (10A)" fuse.The AUDIO has amplifier and supplies the signal directly to thespeakers. The AUDIO is grounded permanently at terminal В(В).

BE-JI-1

POWER WINDOW SYSTEM BE-K1-1

CIRCUIT OPERATION

Power window system

With the ignition switch turned to "ON" or "START", batteryvoltage is applied from the "RELAY (10A)" fuse to the one side ofthe power window relay coil through the wire "R" (the other side ofthe relay coil is grounded), allowing the relay to be energized.When energized, battery voltage is applied from "POWERWINDOW (20A)" fuse to the power window main switch and frontRH power window switch through power window relay and the wire"V"

The power window main switch is grounded through the terminal A(B) of main switch K-01. On the other hand, other switches andmotors are grounded through power window main switch accordingto each switch operation. All power windows are operated directlyfrom the power window main switch. The front RH power window isoperated from the power window main switch as well as the frontRH power window switch. The reversible, permanent magnetmotors drive the power windows. Each motor is controlled with an"UP" and a "DOWN" switch, which are normally closed to ground.On the front LH power window, when the front LH switch of windowmain switch assembly is moved to the "UP" position, the "UP"switch will provided battery voltage to front LH window motorthrough the wire "L/Y" and "UP"switch. The front LH windowmotor will receive ground through the wire "L/R" and "DOWN"switch.The motor will drive the front LH window up.To lower the front LH window, the "DOWN" switch will connect thewire "L/R" to battery voltage. Ground will be provided to the wire"L/Y". The polarity across the motor will be reversed, causing thefront LH motor to rotate in the opposite direction and lower th

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