ELECTRICO 775F.pdf

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RENR8288

VOL.2

36Page

2006CaterpillarAllRightsReserved

PrintedinU.S.A.

Volume 2 - Cab

RENR8288August2006

773F Quarry Truck

Electrical System

EED1-UPDLS1-UP

775F Off-Highway Truck

1

2 200-L32 BK-14

AG-C4111-7898

L-C123E-5179

C-C4130-6795

9X-1123

ComponentPartNumber

SingleWireConnector

SocketPin

AG-C3130-6795

PinorSocketNumber

Wire,Cable,orHarnessAssemblyIdentification:IncludesHarnessIdentificationLettersandHarnessConnectorSerializationCodes HarnessConnectorSerializationCode:The"C"stands

for"Connector"andthenumber indicateswhichconnector in the harness. (C1, C2, C3, ... ..)

Part Number ForConnectorRecepticle

Part Number forConnectorPlug

Harness Identification Letter(s):(A, B, C, ..., AA, AB, AC, ...)

Plug

GroundConnection

325-AG135PK-14

Circuit IdentificationNumber WireColor

WireGauge

Harnessidentificationcode:Thisexampleindicateswire135inharness"AG".

T

Ground (Case): This indicatesthat the component does not have a wire connected to ground.Itisgroundedby beingfastenedtothe machine.

Ground (Wired): Thisindicates that the component is connected to a grounded wire. Thegroundedwireisfastenedto themachine.

T

Switch (Normally Open):Aswitch that willclose at a specified point (temp, press, etc.). Thecircle indicatesthat the component hasscrewterminals and a wire can be disconnected from it.

Receptacle

Switch (Normally Closed): Aswitch that willopen at a specified point (temp, press, etc.).Nocircleindicatesthat thewirecannotbe disconnectedfromthecomponent.

PressureSymbol

TemperatureSymbol

LevelSymbol

FlowSymbol

Circuit Breaker

Symbol

Reed Switch: Aswitchwhosecontacts arecontrolledbya magnet. Amagnetclosesthe

contactsof a normally open reed switch; it opens the contactsof a normally closed reed switch.

Sender:Acomponentthatis usedwithatemperatureorpressuregauge.T hesendermeasures the temperature or pressure. Its resistance changesto give an indication tothegaugeofthe temperatureorpressure.

Relay (Magnetic Switch):Arelay isan electricalcomponent that isactivated byelectricity.Ithasa coilthatmakes anelectromagnetwhencurrentflowsthroughit. Theelectromagnetcanopenorclosethe switchpartofthe relay.

Solenoid: Asolenoid is an electricalcomponent that isactivated by electricity. It hasacoilthatmakes anelectromagnetwhencurrentflowsthroughit. The electromagnetcanopenorcloseavalveormoveapieceofmetalthatcandowork.

Harness And WireSymbols

1 12 2

Sure-Sealconnector:Typicalrepresentation

ofaSure-Sealconnector. Theplugandreceptacle

containbothpinsand sockets.

Deutsch connector: Typicalrepresentation

ofaDeutsch connector. Theplugcontainsall

socketsandthe receptaclecontainsallpins.

Symbols

Symbols And Definitions

Fuse- Acomponent in an electricalcircuit that willopen the circuit if too much current flowsthroughit.

MAGNETICLATCHSOLENOID- Amagnetic latch solenoid is an electricalcomponent that isactivatedbyelectricityand heldlatchedby apermanentmagnet.Ithastwo coils(latchand unlatch)that make electromagnet when current flowsthrough them. It also has an internalswitch that places

thelatchcoil circuitopenatthe timethecoil latches.

Harness And Wire Electrical Schematic Symbols

Fuse(5Amps)

5A

Component Identifiers (CID)

ModuleIdentifier (MID)BrakeControl System

(MIDNo. 116)CID Component

0 0 4 1 8 V o lt D C S up p ly V o lt a ge

0168 Elec tricalSyst emVoltage

0 1 9 0 S p ee d S e ns o r (E n gi n e)

0457 Temperat ureSensor(BrakeOil)

0468 Pos itionSensor(Serv iceBrakePedal)

0590 Elec tronicCont rolModule(Engine)

0 6 0 7 S p ee d S e ns o r (L e ft W h ee l )

0 6 0 8 S p ee d S e ns o r (R i gh t W he e l)

0681 SolenoidValve(Park ingBrake)

0689 SolenoidValve(Lef t RearTrac t ionCont rol)

0690 SolenoidValve(Right RearTrac t ionCont rol)

0711 SolenoidValve(Aut oRet arderCont rol)

0 7 1 3 S w it c h ( A RC O N /O F F)

0719 Proport ionalSolenoidValve(Tract ionControl)

0 9 6 7 M a ch i ne A p pl i ca t io n

1013 Proport ionalSolenoidValve(Front Brake)

1 2 2 7 R e ta r de r L e ve r

1273 Elec tronicCont rolModule(Chass is )

1 3 2 6 I n co r re c t Lo c at i on C o de

2448 Elec tronicCont rolModule(Display )

2683 Pos itionSensor(SecondaryBrakePedal)

Chassis Control System


0 0 4 1 8 V D C Se n so r P ow e r S up p ly

0 0 9 6 F u el L e ve l S e ns o r

0 1 4 4 B a ck u p Al a rm R e la y

0168 Elec tricalSyst emVoltage

0177 TransmissionOilTemperat ureSensor

0 1 9 0 E n gi n e Sp e e d Se n so r

0 3 7 9 A u to l ub e P r es s ur e S e ns o r

0 4 2 0 S e co n da r y S te e ri n g Re l a y

0 4 4 4 S t ar t er M o to r R el a y

0 5 33 B ra ke E CM

0585 TransmissionOut put SpeedSensor1

0 5 5 8 A u to l ub e R e la y

0 5 90 E ng in e EC M

0 6 37 B ac ku p Al ar m

0669 TransmissionI nput SpeedSensor

0673 TransmissionOut put SpeedSensor2

0702 TransmissionGearLeverSelec t orSensor

0709 TransmissionLockupClut chSolenoid

0 7 1 8 T r an s mi s si o n S ys t em

0 7 2 4 H o is t R ai s e S ol e no i d

0 7 2 5 H o is t L ow e r So l en o id

0 7 7 3 H o is t L ev e r Se n so r

0826 TorqueConvert erOilTemperat ureSensor

0 9 6 7 M a ch i ne A p pl i ca t io n

1 2 4 5 A c cu m ul a to r B l ee d R el a y

1 3 2 6 E C M Lo c at i on C o de

1 4 0 1 T r an s mi s si o n S ol e no i d 1







1674 Proport ionalSolenoidFeedbackRet urn1

1675 Proport ionalSolenoidFeedbackRet urn2

2177 PrimarySt eeringShut off Solenoid

2 4 4 8 G r ap h ic a l Di s pl a y Mo d ul e

EngineControl System


CID Component

0001 Cy linder1I njec torSolenoid









0010 Cy linder10I nject orSolenoid



0 0 4 1 8 V o lt D C S up p ly S h or t

0 0 9 1 T h ro t tl e P o si t io n S i gn a l

0 0 9 4 F u el P r e ss u re

0 1 0 0 E n gi n e O il P r es s ur e

0 1 10 E n gi n e O il P r es s ur e S e ns o r

0 1 6 8 S y st e m Vo l ta g e

0172 I nt akeManif oldAirTemperat ure

0 1 7 4 F u el T e mp e ra t ur e

0 1 9 0 E n gi n e Sp e e d Si g na l

0 2 5 3 P e rs o na l it y M od u le

0 2 6 1 E n gi n e Ti m in g

0 2 6 2 5 V o lt S e ns o r DC P o we r S u pp l y

0267 I ncorrec t EngineShut downSwit ch

0 2 6 8 S y st e m P a ra m et e rs

0 2 7 4 A t mo s ph e r ic P r es s ur e

0 2 9 1 E n gi n e Co o li n g Fa n S o le n oi d

0 3 4 2 S e co n da r y E ng i ne S p e ed

0 5 3 3 B r ak e C on t ro l

0544 EngineCoolingFanSpeedSensor

0 5 6 9 O i l In j ec t io n S o le n oi d

1 2 7 3 C h as s is C o nt r ol M o du l e

1589 TurboI nlet AirPressureSensor

1785 I nt akeManif oldPressureSensor

1795 Turbo#2Outlet PressureSensor

1796 I nt akeManif old#2AirTemperat ureSensor

2271 EngineOilRenewalSyst emActuat ionSolenoid

2417 Et herI njec t ionCont rolSolenoid

2533 Compress ionBrakeLow/HighSolenoid#1LowCurrent

2534 Compress ionBrakeLow/HighSolenoid#2HighCurrent

2535 Compress ionBrakeMedium/ HighSolenoid#1LowCurrent

2536 Compress ionBrakeMedium/ HighSolenoid#2HighCurrent

TPMS/VIMS Control System

2 6 7 R e mo t e Sh u td o wn I n pu t

5 33 B ra ke C on tr ol

5 9 0 E n gi n e Co n tr o l Mo d ul e

8 2 4 T P MS L a mp # 1 ( G RE E N)

8 2 5 T P MS L a mp # 2 ( R ED )

838 Lef t F ront St rut Pressure Sensor

839 Right F ront St rut Pressure Sensor

840 Lef t Rear Strut Pressure Sensor

841 Right RearSt rut PressureSensor

8 9 0 T el e me t ry D a ta L i nk

1 2 7 3 C h as s is C o nt r ol M o du l e

2183 Pay loadMonit oringSys tem

2 4 4 8 G r ap h ic a l Di s pl a y Mo d ul e

TheCID isadiagnostic codethatindicateswhich circuitisfaulty.

TheMID isadiagnostic codethatindicateswhich electroniccontrolmodule

diagnosedthefault.

WireDescriptionWire

NumberW ir e Co lo r D es cr ip ti on

Wire

NumberW ir e Co lo r D es cr ip ti on

Power Circuits Cont rol Circuits

101 RD Battery (+) 700 PK AETA Test Switch

102 RD Head Lamp 705 PK XMSN Lockup Clutch Solenoid Basic

103 RD Stop Lamps 727 GN Suppl Steering Motor Relay

105 RD Key Switch 769 BU Wheel Speed Pickup (Left)

109 RD Alt Output (+) Term. 770 GN Wheel Speed Pickup (Righ t)

112 PU Main Power Rela yOutput 771 PU AETA Service Brake Switch

1 13 O R O pr Mo nP an el VM IS B+ Swi tch ed 7 72 P U A ETA Re ta rd er Sw itc h

114 RD Warning Horn (Forward) 773 GY AETA Servovalve

115 PK Console Backlight 774 YL AETA Solenoid (Left)

117 YL 12V Cigar Lighter 775 BR AETA Solenoid (Right)

119 RD Wiper/Wash er Motor A700 OR Digital Sensor Power(+8V)

121 YL Back Alarm To Lamp E718 PK Auxiliary Brake Enable

123 WH 12 VPower Port #2 E764 OR Steering System Disable Solenoid

124 GN HVAC Operator Panel E799 BR Rockford Fan Speed Solenoid

126 RD XMSN Control F700 BU Rockford Fan Speed Solenoid

127 OR 12V Power Port #1 F702 GN Throttle Position Sensor

128 PK Custom Light #1 F711 GN CAN Data Link +

129 BU Custom Light #2 F712 GY CAN Data Link -

133 OR Autolube F714 PK Right Turbo Inlet Pressure

134 YL RH WAVES Flood F715 PU Ground Leve lShutdown Switch (no)

135 BU Aux Ckt F716 WH Ground Level Shutdown Switch (nc)

136 GN Suppl Ster F717 YL Throttle Lock Switch

139 OR WAVES 3Camera F722 OR Rockford Fan Speed Sensor

140 BU High Speed Relay F771 OR Backup Switch

141 PK Heated Lower Mirror F772 WH Backup Switch

147 PU Heated Air Seat F790 BR Service Brake Pedal

149 RD 12V/20A Converter G704 YL Body Raise Solenoid

150 RD Battery (+) G705 GN Body Lower Solenoid

157 RD Radio G713 GY Body Hoist Switch - Float

1 63 W H C om mu ni ca ti on Ra di o G 73 1 G Y E pt cIi - Se co nd ar yS er vi ce Br ak eS ol en oi d

170 RD VIMS/Payload H774 OR Breaker To Radio

173 RD Hazard/Turn Signal J700 BR Brake Soleno id Cylinder 1,3 9,11

175 PK Aux Ckt J701 GN Brake Solenoid Cylinder 5,7

176 RD Braking ECM J702 BK Engine Retarder Solenoid Common

177 RD Main Breaker J725 GN Crank Lockout Switch To Mach ine ECM

179 RD Minestar (ATCH) J764 BR Switch/Sensor Return #1

183 RD Product Link J765 BU Switch/Sensor Return #2

Ground Circuits J 76 7 G Y S wi tc h/ Se ns or R et ur n #4

200 BK Main Chassis K737 BR Brake Soleno id Cylinder 2,4,10,12

202 BK XMSN Control K738 GN Brake Solenoid Cylinder 6,8

205 BK Instr K739 BU Engine Retarder Solenoid Common

209 BK Fire Suppr Ground K742 OR Top Gear Switch (Up)

212 BK AETA Coding Pin 16 K743 GY Top Gear Switch (Down)

229 BK Bat (-) K748 OR Supplemental Steer Motor Relay

2 51 B K P ay lo ad Mo ni to r -S ys te mG ro un d N 70 7 P U E ng in e Di gi ta l Se ns or Re tu rn

A235 CU DigitalSensorReturn R746 PK TurboOutletPressSen sor

A294 BK GroundJumper R747 GY AtmosphericPressSensor

Basic MachineCircu its T 72 5 W H F ue lF il te r Sw it ch

3 04 W H S ta rt er Re la yNo .1 Ou tp ut T 74 6 P K Tu rb oO ut le tP re ss Se nso r

306 GN Starter RelayCoilToNeut Start Switch Or Key T 7 49 Y L C h as s is E CM T o Se c St e r P r es s ur e S wi t ch

307 OR KeySwitch ToNeutralStart Switch Or VmisSe T 78 2 O R L oc ko ut /S er vi ce M od e Sw it ch

3 08 Y L M ai nP owe rRe la yCo il T 78 3 P U O il Eva cH ose Sw itc hTo EV AC (E na bl ed )

3 14 P U S ta rt er Re la yN o. 2 Ou tp ut T 78 4 G N O il E va cH os eS wi tc hT oE VA C( Co mm an d)

3 17 Y L S ta rt Ai dR el ay To S ta rt Ai d So le no id Y 79 2 P K E ng in e CA ND at al in k+

322 GY Warning Horn (forward) Y793 YL Engine CAN Datalink -

326 RD Ke ySwitch 'C' Term. 858 GY Payload Mon Right Front Sensor

327 PK Sh utdown Solen oid 859 YL Payload Mon Left Front Sensor

329 YL Fuel Pump To Switch 860 PK Payload Mon Right Rear Sensor

331 OR Ba ckup Alarm Relay Coil 861 PU Payload Mon Left Rear Se nsor

Monitoring Circuits 8 75 B U V MI SR S2 32 P or tT ra ns

403 GN Alternator (R) Term. 876 OR VMIS RS232 Port Receive

410 WH Action Alarm 892 BR VMIS Start Mod Right (-)

417 GY Pri mary Steering Switch 893 GN VMIS Start Mod Right (+)

4 25 P K O pr Mo nP ow er Tr ai nO il Le ve l G 82 8 W H A DE MII IP re ssu re Se nso r+5 V

4 26 B R O pr Mo nP ow er Tr ai nO il Fi lt er G 82 9 G N A DE MI II Pr es su re S en so r Co mm on

4 28 O R O pr Mo nX MS NO il Te mp G 83 3 P K A DE MII IE ng in eTe mp Se ns or Co mmo n

4 29 Y L O pr Mo nB ra ke Oi lTe mp H8 01 P U P ro po rt io na lD ri ve rR etu rn (1 -4 )

4 32 P K O pr Mo nB ra ke Pr ess ur e H8 02 G Y P ro po rt io na lD ri ve rR etu rn (5 -8 )

4 33 B U O pr Mo nB ra ke Pr ess ur e H8 03 B U P ro po rt io na lD ri ve rR etu rn (9 -1 2)

4 44 B U C on ve rt er /R et ar de r Oi l Te mp G ag e H 80 6 O R P ro po rt io na l Dr iv er R et ur n (2 1- 25 )

447 PK Fuel Level Gage H807 YL On/Off Driver Return (1-8)

4 62 Y L S up pl St ee ri ng Mo to rI nd ic at or H 80 8 W H O n/ Of fD ri ve r Re tu rn ( 9- 15 )

C 43 6 B U D if fe re nt ia lF il te r Pr es sS wi tc h H 86 2 G Y P ro po rt io na lD ri ve rR et ur n (5 -8 )

C 47 1 G N R el ay Co nt ac tTo In di ca to rL am p H 86 3 B U P ro po rt io na lD ri ve rR et ur n (9 -1 2)

E 45 0 G N T or qu e Co nv er te r Fi lt er B yp as s J 83 3 G Y X MS NC lu tc hP ro p So le no id # 7

F 41 8 G N V MI SR S2 32 Po rt 2Tr an s J 83 4 P U X MS NCl ut ch Pr op So le no id #5

F 41 9 Y L V MI SR S2 32 Po rt 2R ece iv e J 83 5 P K X MS NCl ut ch Pr op So le no id #6

F421 YL Fuel Temp J836 GN XMSN Clutch Prop Solenoid #3

G 46 7 P K S ta rt Di sa bl ed In di ca to r J 83 7 B U X MS NCl ut ch Pr op So le no id #4

H4 53 G Y M ac hi ne Lo cko ut La mp J 83 8 O R X MS NCl ut ch Pr op So le no id #1

H469 YL Add Lube J839 BR XMSN Clutch Prop Solenoid #2

Accessory Circuits J 84 0 W H T PM SL am p - Gr ee n

500 BR Wiper -Front (Park) J841 YL TPMS Lamp -Red

501 GN Wiper -Front (Low) R800 OR +8V Di gital Sensor Power 502 OR Wiper -Front (High) T858 GY Injector High Side

506 PU Washer -Front T859 WH Injector High Side

508 PU Radio Speaker -Left T860 OR Injector High Side

509 WH Radio Speaker -Left 958 YL Relay Logic

511 BR Radio Speaker -Right 993 BR Analog Sensor Common

512 GN Radio Speaker -Right 994 GY Oil Pressure (Filtered)

5 13 O R A /C Co mp re sso rP re ssu re Sw itc h 9 95 B U C oo la nt Te mp er atu re

515 GY Blo wer Motor (High) 997 OR Analog Senso rPower (+5V)

516 GN Blo wer Motor (Medium) 998 BR Digital Sensor Return

517 BU Blower Motor (Low) A958 WH Park Brake Solenoid

5 19 P K T he rm os ta t T o Re fr ig er an t P re ss . S wi tc h C 96 7 B U I nl et A ir Te mp er at ur e

5 21 Y L A /C Sw itc hTo Re fr ig er an tS wi tch C9 81 G N E xh au st Br ak e

522 WH A/C Clutch To Thermosta tSwitch C985 BU +8V

537 GN Turn Signal Switch To Flashe r C989 PU Oil Level

559 YL Auto Lube Solenoid C991 PK Fuel Filter Monitor

567 WH A/C Switch Jumper C992 PU Service Brake Switch #1

569 PK A/C Switch Jump er No. 2 E900 WH ECPC Trans Output Speed +

575 YL Wiper - Aux (Park) E901 GN ECPC Trans Output Speed -

5 90 G Y W ip er S wi tc h To In te rm it te nt M od ul e E 90 6 O R E CP CT ra ns O ut pu t Sp ee d Q+

5 91 W H I nt er mi tt en t Mo du le To Wi pe r Mo to r E 90 7 G Y E CP CT ra ns O ut pu t Sp ee d Q-

5 92 B U D C/D CCo nv er te rP ow er Ou tp ut E 96 3 B K E ng in eS pe ed /Ti mi ng A-

A513 RD DC/DCConverterMemoryOutput E964 WH EngineSpeed/TimingA+

A524 BR TempPotentiometerPos2 E965 BU EngineSpeed/TimingB-

A557 WH PrecleanerBlower E966 YL EngineSpeed/TimingB+

A572 PK AuxCkt 2 E972 BU SPI Datalink End

C510 WH A/C Relay Coil K900 YL J1939 Data Link +

C532 GN Autolube Press K952 BR Solenoid Return 3

C5 42 GN Heated Mirror Po wer K985 BR Auto Retard On Switch

C5 46 WH Blo wer Med-low Relay K986 PK Auto Retard Off Switch)

C5 48 P K A /C Po we rTo Co ntr ol (1 2V ) K 98 9 B U A ut oR eta rd Ai rS up pl yV al ve

C568 WH Blower Motor (Max) K990 GN J1939 Data Link -

C5 72 Y L S wi tch To Re la yC oi l K 99 2 P U A ut oR eta rd Ma nu al Re ta rd Sw itc h

C5 92 W H D io de To Bl ad eR el ay L 91 0 P K To rq ue Co nve rte rO utp ut Sp ee d+

Lighting Circuits L 91 1 Y L T /c Ou tp ut Sp ee d -

602 WH Dome Lamp L912 WH Engine Speed +

604 OR Stop Lamp L913 OR Engine Speed -

605 YL Turn Lamp -(Left) M996 PK Hoist Lever Position

606 GY Turn Lamp -(Right) M997 PU Shift Lever Position

610 OR Head Lamp (Basic) N957 PK RXD - Common #1

611 PU Head Lamp (High) N958 PK RXD - Common #2

612 GY Backup Lamp N960 OR TXD - Common #1

614 PU Park/Tail/Dash/Lamp N961 OR TXD -Common #2

619 GN Head Lamp (Low) N970 YL DTR - Common #1

631 GY Fog Lamp (Right) N973 BR DCD - Common #1

635 BU Pa yload Monitor Red Lamp N979 GN Signal Ground -Comm #1

6 36 G N P ayl oa dMo ni to rG re en La mp N9 80 G N S ig na lG ro un d- Co mm #2

641 OR La dder Lamp P910 BR Secondary Steering Test Switch Input

643 GN Display Intensity Up P967 PU Digital Return

644 OR BrightnessAdjust R998 BR Digital Sensor Return

652 YL Right Front Flood T957 PU Injector 1 Return

653 GN Left Front Flood T958 YL Injector 2 Return

656 GY Dome Lamp T959 BR Injector 3 Return

658 BR Walkway Lamp T960 BU Injector 4 Return

676 PU AuxActive Lamp T961 GN Injector 5 Return

682 BU Sp ot Lamp Fron t(ATCH) T962 WH Injector 6Return

A608 GY LightSwitchToHigh BeamRelay T967 PU PumpDischargeMean Pressure

X 97 1 O R A rc In di ca to r

Y 95 6 O R P ri ma ry CA N Da ta Li nk +

Y 95 7 G N P ri ma ry CA N Da ta Li nk -

Related Electrical ServiceManualsTitle Form Number

A lt er na to r: 2 26 - 76 83 S EN R4 13 0

E l ec t ri c S ta r ti n g Mo t or 1 : 2 3 7 -1 9 62 S E NR 3 86 0

E le ct ri c St ar ti ng M ot or 2 : 6 V- 08 85 S EN R3 86 0

V IM S/P ay lo ad S ys te m: R ENR 82 84

C ha ss is Co nt ro lS ys te m: R EN R8 34 2

B ra ki ng Co ntr ol Sy st em: R ENR 83 43

E ng in eC on tr ol Sy st em: R ENR 93 46

Event Codes

EngineControlEvent Code Condition

E 0 96 H i gh F u el P r e ss u re

E 1 71 L o w En g in e O i l Le v el

E 1 72 H i gh A i r Fi l te r R es t ri c ti o n

E 1 94 H i gh E x ha u st T em p er a tu r e

E 3 60 L o w En g in e O i l Pr e ss u re

E361 HighEngineCoolant Temperat ure

E 3 62 E n gi n e Ov e rs p ee d

E 3 63 H i gh F u el S u p pl y T em p er a tu r e

E 3 90 F u el F i lt e r Re s tr i ct i on

E539 HighI ntakeManifoldAirTemperat ure

E 5 40 L o w En g in e O i l Re f il l T an k L ev e l

E1000 HighLeft I nt akeManif oldAirTemperat ure

FailureModeIdentifi ers (FMI)F MI N o . Fa il ur eDe sc ri pt io n

0 Dat avalidbut abovenormaloperat ionalrange.

1 Dat avalidbut belownormaloperat ionalrange.

2 Dat a errat ic, int ermit t ent , or incorrec t .

3 V o lt a ge a b o ve n o r ma l o r s ho r te d h ig h .

4 V o lt a ge b e lo w n o rm a l or s h or t ed l o w.

5 C u rr e nt b e lo w n o rm a l or o p e n ci r cu i t.

6 Current abovenormalorgroundedc ircuit.

7 Mechanicalsys t emnot respondingproperly.

8 Abnormalf requency , pulsewidt h, orperiod.

9 A bn or ma l up da te .

1 0 A b no r ma l r a te o f c ha n ge .

1 1 F a il u re m o de n o t i de n ti f ia b l e.

1 2 B a d de v ic e o r co m po n en t .

1 3 O u t of c a li b ra t io n .

1 4 P a ra m et e r fa i lu r es .


1 6 P a ra m et e r no t a va i la b le .

1 7 M o du l e n ot r e sp o nd i ng .

1 8 S e ns o r su p p ly f a ul t .

1 9 C on di ti on n ot m et .


TheFMIisa diagnosticcodethatindicates whattypeoffailure hasoccurred.

Off MachineSwitch SpecificationPart No. Funct ion Actuate Deactuate Contact Position

3 E- 54 64 T em pe ra tu re Sw it ch-1.1 0.8C

(30 1.4F)

2.2 0.8C

(36 1.4F)NormallyOpen

3 E- 64 50 P ri ma ry S te er in g Pr es s ur e1200kPa

(174.05psi)

700100kPa

(101.514.5psi)

Contacts A-B(N.O.)

Contacts A-C(N.C.)

3 E- 78 06 S er vi c e Br ak e Ac cu mu la to r 9500kPaMAX

(1375psiMAX)

8300350kPa

(120050psi)

A-B,NormallyOpen

A-C,NormallyClosed

9 X -4 4 55 S e co n da r y S te e ri n g P re s s ur e2100kPaMAX

(305psiMAX)

1650100kPa

(240 15 psi)

A-B, Normally Open

A-C,NormallyClosed

1 28 -5 09 1 S er vi ce B ra ke P re ss ur e551kPa

(36.3psi)

344 kPa 20 kPa

(49.9psi2.9psi)

A-CNormallyClosed

A-BNormallyOpen

1 6 0- 2 60 9 S e co n da r y B ra k e P re s su r e1724kPaMAX

(250psiMAX)

1325170kPa

(192 24 psi)

A-CNormallyClosed

A-BNormallyOpen

Withincreasing pressuretheclosedcondition canbemaintained upto2800 kpa(405psi), withdecreasingpressurethe closed conditioncanbe maintaineddownto170 kpa(25psi).

Contact postion at the contacts of the harness connector.

Resistor, Sender and Solenoid SpecificationsPart No. Component Descript ion Resistance (Ohms)

1 25 -9 74 0 S ol en oi d: B lo we r Mo to r Sp ee d

A-C25%

B-C15%

C-D.365%

134-2540 Resistor: VIMS, Terminal B2, Terminal C2 120

148-2350 Solenoid: Body Up, Body Down 5.0 0.3

163-0872 Solenoid: A/C Clutch 17.6 0.6

173-2056 Solenoid: Rockford Fan Speed 2.2 0.2

2 12 -1 43 9 S en de r: F ue l Le ve lFull: 92-96

Empty: 0.0-3.5

222-4741 Solenoid: TCS Proportional 16

239-1134 Solenoid: S tart Aid 6

244-3114 Solenoid: Lockup Clutch 8.7 0.4

3E-8575 Solenoid: TCS Fourway 24.9 0.4

Atroomtemperature unlessotherwisenoted.

Cab Component and Connector Locations

Cab Component Location

ComponentSchematic

Location

Machine

LocationComponent

Schematic

Location

Machine

Location

12V Lighter Socket D-7 C Resistor, Blower C-18 13

12V Power Port #1 C-1 A Resistor, LH Turn J-1 C

12V Power Port #2 J-5 B Resistor, M essenger C2 E-1 C

20A Converter K-5 10 Resistor, RH Turn I-1 C

Alarm,Action I-3 A Resistor,TerminalB1 L-1 C

Block, Fuse 1 H-7 B Resistor, Terminal C1 L-1 C

Block, Fuse 2 J-7 B Resistor, TPMS A2 F-13 8

Control, Advisor D-3 C Resistor, TPMS E2 F-13 8

Control, Brake E-16 8 Sensor, Hoist Position C-6 A

Control, Chassis J-16 8 Sensor, Secondary Brake Pedal F-1 C

C on tr ol ,P ro du ct Li nk Ga te wa y D -1 2 9 S en so r, S er vi ce Br ake Po si ti on G -1 C

Control, Messenger F-1 C Sensor, Shift Lever C-6 A

Control, OHT Display Cluster J-16 C Sensor, Throttle F-1 C

Control, TPMS K-13 8 Switch, A/C Enable K-3 C

Flasher H-5 B Switch, ARC On/Off B-2 C

Fuse, Thermal C-18 13 Switch, Backlight Adjust L-1 C

Module, Wiper Delay I-5 B Switch, Column H-1 C

Motor, Air Cleaner J-3 12 Switch, Compression Brake J-1 C

Motor, Blower C-17 13 Switch, Door K-9 A

Motor, Seat H-5 14 Switch, Drive Gear Down C-7 A

Motor, Washer D-17 9 Switch, Drive Gear Up C-7 A

Motor, Wiper F-1 C Switch, Front Brake D-2 C

Panel, HVAC L-2 C Switch, Hazard D-2 C

Relay, Autolube L-7 B Switch, Headlamp K-1 C

Relay, Backup Lamp K-7 B Switch, Heated Mirror G-4 D

Relay, Headlamp K-7 B Switch, Horn J-1 C

Relay, Heated Mirror Lower Timer J-7 B Switch, Key H-1 C

Relay, High Beam K-7 B Switch, Retarder Lever H-1 C

Relay, High Speed L-3 B Switch, RH Console Lamp F-4 D

Relay, Main Power G-5 B Switch, Secondary Steering Test H-4 C

Relay, Precleaner K-3 B Switch, Stairway Lamp K-1 C

Relay, Secondary Steering F-7 B Switch, TCS Test H-4 D

Relay, Stoplamp K-7 B Switch, Thermal C-18 13

Relay, Wiper J-7 B Switch, Throttle Lock E-6 A

Resistor, Advisor E1 B-3 C Valve, Water D-18 13

Machinelocationsare repeatedforcomponentslocated closetogether.

A= Locatedinside ofrightconsole.

B=Located insideofrelay/fusep anel.

C=Located insideofdash.

D=Located insideofheadliner.

Cab Connector Location

Connector NumberSchematic

Location

Machine

Location

CONN 1 E-11 1

CONN 2 D-11 1

CONN 3 D-11 1

CONN 4 C-11 1CONN 33 C-17 2

CONN 34 C-17 2

CONN 35 E-14 3

CONN 36 K-14 4

CONN 37 K-14 4

C ON N3 8 M in es ta r P or t ( AT CH ) A -1 3 4

CONN 39 W AVS 3Camera Port B -7 5

CONN 40 Service Port J-5 6

C ON N4 1 P ro du ct L in kR ad io P or t K -5 6

CONN 42 VIMS Se rvice Port K -5 6

CONN 43 D-4, E-2 7

CONN 44 D-4 7

Theconnectorsshownin thischartare forharnessto harnessconnectors.

Connectorsthatjoina harnesstoa componentaregenerally locatedator near

thecomponent. SeetheComponent LocationChart.

8

4

1

1

3

2

2

3

4

7

7 8

9 11

12

126

6

11

13

13

14

14

5

5

910

10

B

B

D

D

A

A

C

C


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