A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
J518 | Entry and start authorisation control unit |
J682 | Terminal 50 voltage supply relay |
T1v | Single connector |
T2gd | 2-pin connector, black |
T6ma | 6-pin connector, white, on electronics box engine compartment |
T10c | 10-pin connector, pink, electronics box engine compartment |
T10d | 10-pin connector, blue, electronics box engine compartment |
T10f | 10-pin connector, red, electronics box engine compartment |
T81 | 81-pin connector |
TV2 | Terminal 30 wiring junction |
U6 | Slave start socket |
D50 | Positive connection (30), in engine compartment wiring harness |
D75 | Positive connection 2 (30), in engine compartment wiring harness |
D108 | Connection 6, in engine compartment wiring harness |
J317 | Terminal 30 voltage supply relay |
S1 | Fuse in relay plate fuse holder, in engine compartment |
S2 | Fuse in relay plate fuse holder, in engine compartment |
S7 | Fuse in relay plate fuse holder, in engine compartment |
S9 | Fuse in relay plate fuse holder, in engine compartment |
S10 | Fuse in relay plate fuse holder, in engine compartment |
S11 | Fuse in relay plate fuse holder, in engine compartment |
S12 | Fuse in relay plate fuse holder, in engine compartment |
S13 | Fuse in relay plate fuse holder, in engine compartment |
S15 | Fuse in relay plate fuse holder, in engine compartment |
S17 | Fuse in relay plate fuse holder, in engine compartment |
D75 | Positive connection 2 (30), in engine compartment wiring harness |
E30 | Connection (87a), in engine wiring harness |
J179 | Automatic glow period control unit |
J248 | Diesel direct injection system control unit |
Q10 | Glow plug 1 |
Q11 | Glow plug 2 |
Q12 | Glow plug 3 |
Q13 | Glow plug 4 |
Q14 | Glow plug 5 |
Q15 | Glow plug 6 |
T6bk | 6-pin connector, on holder coupling point glow plugs, on motor right |
T10ma | 10-pin connector, black, electronics box engine compartment |
T11 | 11-pin connector |
T94aa | 94-pin connector |
132 | Earth connection 3, in engine compartment wiring harness |
646 | Earth point 2, on bulkhead |
D104 | Positive connection 2 (30a), in engine compartment wiring harness |
D121 | Connection 19, in engine compartment wiring harness |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J293 | Radiator fan control unit |
J671 | Radiator fan control unit 2 |
T4be | 4-pin connector, black |
T4bf | 4-pin connector, black |
T10d | 10-pin connector, blue, electronics box engine compartment |
T17 | 17-pin connector, on heater |
T94aa | 94-pin connector |
V7 | Radiator fan |
V177 | Radiator fan 2 |
12 | Earth point, on left in engine compartment |
D121 | Connection 19, in engine compartment wiring harness |
J17 | Fuel pump relay |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J519 | Onboard supply control unit |
J715 | Tank circuit pressurisation relay |
N280 | Air conditioning system compressor regulating valve |
T2cf | 2-pin connector, black |
T6k | 6-pin connector, electronics box engine compartment |
T6ma | 6-pin connector, electronics box engine compartment |
T10c | 10-pin connector, pink, electronics box engine compartment |
T10f | 10-pin connector, red, electronics box engine compartment |
T10i | 10-pin connector, on heater |
T17 | 17-pin connector, on heater |
T18 | 18-pin connector |
T94aa | 94-pin connector |
D103 | Connection 3, in engine compartment wiring harness |
D121 | Connection 19, in engine compartment wiring harness |
D122 | Connection 20, in engine compartment wiring harness |
* | only auxiliary coolant heater with can operated independently |
** | only models with Climatronic |
G31 | Charge air pressure sender |
G42 | Intake air temperature sender |
G65 | High pressure sender |
G450 | Exhaust gas pressure sensor 1 |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J496 | Additional coolant pump relay |
T3bc | 3-pin connector, black |
T3bf | 3-pin connector, black |
T4cq | 4-pin connector, black |
T6k | 6-pin connector, brown, electronics box engine compartment |
T6ma | 6-pin connector, white, on electronics box engine compartment |
T10c | 10-pin connector, pink, electronics box engine compartment |
T10d | 10-pin connector, blue, electronics box engine compartment |
T10i | 10-pin connector, on heater |
T17 | 17-pin connector, on heater |
T60aa | 60-pin connector |
T94aa | 94-pin connector |
647 | Earth point 3, on bulkhead |
D144 | Positive connection 5 (30), in engine compartment wiring harness |
D181 | Connection 2 (87a), in engine compartment wiring harness |
* | only models with Climatronic |
G40 | Hall sender |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J301 | Air conditioning system control unit |
J338 | Throttle valve module |
J708 | Residual heat relay |
SB2 | Fuse 2 on fuse holder B |
T2ck | 2-pin connector, black |
T3bk | 3-pin connector, black |
T6bs | 6-pin connector |
T14g | 14-pin connector, black |
T60aa | 60-pin connector |
V55 | Circulation pump |
32 | Earth point, on left behind dash panel insert |
167 | Earth connection 4, in engine compartment wiring harness |
201 | Earth connection 5, in engine compartment wiring harness |
373 | Earth connection 8, in main wiring harness |
374 | Earth connection 9, in main wiring harness |
640 | Earth point, on left in engine compartment |
* | only models with auxiliary heater (plenum) |
** | only models with Climatronic |
J248 | Diesel direct injection system control unit |
J445 | Fuel cooling pump relay |
J724 | Turbocharger 1 control unit |
N18 | Exhaust gas recirculation valve |
N276 | Fuel pressure regulating valve |
N290 | Fuel metering valve |
N345 | Exhaust gas recirculation cooler change-over valve |
T2bi | 2-pin connector, black |
T2bm | 2-pin connector, black |
T2ec | 2-pin connector |
T2en | 2-pin connector |
T2gz | 2-pin connector |
T4cs | 4-pin connector, black |
T10ma | 10-pin connector, black, electronics box engine compartment |
T60aa | 60-pin connector |
T94aa | 94-pin connector |
V166 | Fuel cooling pump |
281 | Earth connection 1, in engine harness |
D109 | Connection 7, in engine compartment wiring harness |
D110 | Connection 8, in engine compartment wiring harness |
G28 | Engine speed sender |
J248 | Diesel direct injection system control unit |
T3bo | 3-pin connector, grey, in engine compartment |
T4ci | 4-pin connector |
T4cj | 4-pin connector |
T10ma | 10-pin connector, black, electronics box engine compartment |
T60aa | 60-pin connector |
T94aa | 94-pin connector |
V157 | Intake manifold flap motor |
V275 | Intake manifold flap 2 motor |
281 | Earth connection 1, in engine harness |
645 | Earth point 1, on bulkhead |
D109 | Connection 7, in engine compartment wiring harness |
* | models with automatic gearbox only |
G39 | Lambda probe |
G182 | Gearbox input speed sender |
G235 | Exhaust gas temperature sender 1 |
G448 | Bank 1 exhaust gas temperature sender 2 |
J248 | Diesel direct injection system control unit |
T2bv | 2-pin connector |
T2cx | 2-pin connector |
T3bt | 3-pin connector |
T6mb | 6-pin connector, in engine compartment |
T8u | 8-connector, black, coupling point gearbox |
T10e | 10-pin connector, green, electronics box engine compartment |
T94aa | 94-pin connector |
Z19 | Lambda probe heater |
250 | Earth connection, in diesel engine wiring harness |
* | only models with manual gearbox |
G62 | Coolant temperature sender |
G70 | Air mass meter |
G81 | Fuel temperature sender |
G83 | Radiator outlet coolant temperature sender |
J248 | Diesel direct injection system control unit |
T2eh | 2-pin connector, black |
T2el | 2-pin connector, black |
T2gw | 2-pin connector, black |
T5m | 5-pin connector, black |
T10d | 10-pin connector, blue, electronics box engine compartment |
T10ma | 10-pin connector, black, electronics box engine compartment |
T60aa | 60-pin connector |
T94aa | 94-pin connector |
B278 | Positive connection 2 (15a), in main wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
J104 | ABS control unit |
J248 | Diesel direct injection system control unit |
J527 | Steering column electronics control unit |
SB26 | Fuse 26 on fuse holder left |
SB38 | Fuse 38 on fuse holder left |
T4b | 4-pin connector |
T4n | 4-pin connector |
T10c | 10-pin connector, pink, electronics box engine compartment |
T10d | 10-pin connector, blue, electronics box engine compartment |
T16a | 16-pin connector |
T47b | 47-pin connector |
T94aa | 94-pin connector |
B278 | Positive connection 2 (15a), in main wiring harness |
B289 | Positive connection 13 (15a), in main wiring harness |
B335 | Connection 1 (54), in main wiring harness |
F1 | Oil pressure switch |
J248 | Diesel direct injection system control unit |
J285 | Control unit in dash panel insert |
J533 | Data bus diagnostic interface |
K | Dash panel insert |
T1ac | Single connector |
T10d | 10-pin connector, blue, electronics box engine compartment |
T10f | 10-pin connector, red, electronics box engine compartment |
T16b | 16-pin connector, self-diagnosis connection, driver footwell |
T32a | 32-pin connector, blue |
T32b | 32-pin connector, green |
T94aa | 94-pin connector |
B344 | Connection 1 (61), in main wiring harness |
B385 | Connection 3 (drive train CAN bus, high), in main wiring harness |
B392 | Connection 3 (drive train CAN bus, low), in main wiring harness |
B444 | Connection 1 (diagnosis), in main wiring harness |
B509 | Connection 3 (diagnosis), in main wiring harness |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G23 | Fuel pump |
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender 2 |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
K | Dash panel insert |
T2c | 2-pin connector, black |
T3bd | 3-pin connector, black |
T4ct | 4-pin connector |
T4cu | 4-pin connector |
T4af | 4-pin connector, black, tank connection left |
T5k | 5-pin connector, black, right tank connection |
T10f | 10-pin connector, red, electronics box engine compartment |
T10ma | 10-pin connector, black, electronics box engine compartment |
T32a | 32-pin connector, blue |
T32b | 32-pin connector, green |
39 | Earth point, under rear left seat |
410 | Earth connection 1 (sender earth), in main wiring harness |
B429 | Connection (EFPR), in main wiring harness |