Trainings program,

Electric system TB 2175 PF

A 500 011 Batteries 2xA 502 034 Altenator with intergrated voltage regulator

B 000 077 Motor windscreen wiperB 001 084 Motor windscreen washer pumpB 010 047 Starter motorB 012 111 Buzzer, Brake system pressure, coolant temp, oil pressureB 028 089 Air hornB 030 091 Cigar lighter, driver sideB 034 117 Resistor, instrument lightningB 109 193 - 197 Coil block, Telma brakeB 401 087 HornB 501 097 117 Compact tachographB 502 102 Rev counterB 508 107 Gauge, engine coolant temp.B513 109 Gauge, fuel levelB 516 113 Gauge, air pressure

C 000 132 Dipped beam, LHC 001 133 Dipped beam, RHC 002 136 Mean beam, LHC 003 137 Mean beam, RHC 010 127 Side light, headlamp, LHC 011 129 Side light, headlamp, RHC 014 068 Direction indicator, LH frontC 015 070 Direction indicator, RH frontC 018 069 Direction indicator, LH rearC 019 071 Direction indicator, RH rearC 020 153 Stop light, LHC 021 154 Stop light, RHC 022 128 Tail light, LHC 023 130 Tail light, RHC 024 140 Rear fog lamp, LHC 025 141 Rear fog lamp, RHC 026 149 Reversing light, LHC 027 150 Reversing light, RHC 500 120 Switch, lightningC 501 089 Switch, hornC 504 121 Switch, rear fog lampC 508 060 086 - 123 Switch, direction etc.C 509 056 Switch, hazard warning light.C 525 015 Switch, main switch controlC 539 020 Switch, contact and startingC 646 186C 691 183 Switch, retarder, foot operation

D 000 139 Warning lamp main beam (blue)D 001 133 Warning lamp direction indicator

D 005 157 Warning lamp parking brake (red)D 006 111 Warning lamp air pressure (red)D 018 039 Warning lamp main switch (green)D 028 035 Warning lamp battery charge (red)D 029 166 Warning lamp engine oil pressure (red)D 032 164 Warning lamp engine coolant temp. (red)D 033 162 Warning lamp engine coolant level (yellow)D 039 157 Warning lamp air cleaner (orange)D 048 135 Warning lamp dipped beam (green)D 076 191 Warning lamp retarder (green)D 093 143 Warning lamp rear fog lamp (yellow)D125 170 Warning lamp doors (red)D126 168 Warning lamp doors (red)D 501 066 Electronic unit, flasher unit (direction lights)D 504 080 Electronic unit, Windscreen wipers + intermittent wipeD 600 122 Diode, rear fog lightD 609 122 Diode, light switchD 610 122 Diode, main beam, dipped beamD 615 113 Diode, brake system pressureD 616 113 Diode, coolant temperatureD 637 014 Diode, electrical main switchD 692 085 Diode, windscreen wiperD 695 113 Diode, buzzer oil pressureD 778 184 Diode, anti feedback to TelmaD 779 184 Diode, anti feedback to TelmaD 780 184 Diode, anti feedback to TelmaD 907 179 Electronic unit, speed switch, no speed (3 km/h)D 963 161 Electronic unit, coolant level

E 000 127 Fuse position light left.E 001 129 Fuse position light right, dashboard illuminationE 004 132 Fuse dipped beam left.E 005 133 Fuse dipped beam right.E 006 136 Fuse main beam left.E 007 137 Fuse main beam right.E 010 141 Fuse (spare)E 013 152 Fuse brake lights.E 016 148 Fuse reversing lights.E 017 097 Fuse tachograph.E 022 093 Fuse warning lights.E 024 087 Fuse horn, air horn, windscreen washer.E 025 083 Fuse windscreen wipers.E 026 091 Fuse cigar lighter.E 028 180 Fuse brake circuit.E 035 102 Fuse dashboard instruments.E 037 020 ignition switch, start switch.E 054 146 neutral switch gearbox.E 084 124 Fuse illumination.

E 089 095 Fuse tachograph (B+)E 166 010 Fuse Telma brake (150 amp.)E 226 039 Fuse altenator (+)RES 1 009 Fuse clock.RES 2 009 Fuse (spare)RES 3 007 Fuse demister.RES 4 006 Fuse step lighting, roof fans.RES 5 005 Fuse interior light left side.RES 6 004 Fuse interior light right side.RES 7 003 Fuse P.A. Amplifier.RES 8 002 Fuse check lights doors, stop request.E 500 146 Operation switch, neutral position.E 501 148 Operation switch, reversing light.E 511 152 Operation switch, stop light.

F 000 157 Warning lamp switch, parking brakeF 011 166 Warning lamp switch, engine oil pressureF 051 160 Warning lamp switch, coolant levelF 096 177 Operation switch, telma brakeF 501 102 Sensor, engine speed (rpm)F 502 164 Sensor, engine coolant temp. with switchF 533 100 Sensor, vehicle speed ( 4-pole)F 535 107 Sensor, engine coolant temperatureF 540 109 Sensor, fuel level

G 000 119 Relay, tail light, marker lightG 001 123 Relay, dipped beamG 002 124 Relay, main beamG 005 121 Relay, rear fog lampG 007 148 Relay, reversing lightG 008 086 Relay, windscreen wiper (1 or 2 speed)G 009 085 Relay, windscreen wiper (automatic zero position)G 015 022 Relay, contactG 036 152 Relay, stop lightG 038 020 Relay, startG 039 146 Relay, starting function blockedG 053 012 Relay, main switchG 060 188 - 199 Relay, Telma (4-fold)G 080 064 Relay, acoustic signal, direction indicatorsG 085 037 Relay, transfer, main switchG 144 036 Relay, Telma, D+G 147 037 Relay, battery charge, D+G 348 177 Relay, disengaging Telma-retarderG 515 172 Relay, central earth connection, cab, central boxG 517 174 Relay, central earth connection, cab, drivers side

QUESTIONS WIRING DIAGRAM

1. Explain part numbers C 020; E 501; G 053; E 035; E166; RES 0041. C 020 : E 501 : G 053 : E 035 : E 166 : RES 004 :

2. Explain the working of relays G 039 and what is the meaning of E 500.2:

3. How much is the voltage and current on C 020?3:

4. What is the meaning of the D3 contact in the tachograph?4:

5. How much is the resistance in a bulb 24V/5W?5:

6. Explain the function of F 096?6:

7. What is the function of F 501?7:

8. What is the function and name of D 963?8:

9. Why there are 2 + connections on the clock?9: