A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
S162 | Fuse 1 (30), in fuse holder on battery |
S163 | Fuse 2 (30), in fuse holder on battery |
S176 | Fuse 4 (30), in fuse holder on battery |
S177 | Fuse 5 (30), in fuse holder on battery |
S229 | Fuse 29 in fuse holder |
T4g | 4-pin connector, near starter |
T6 | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
500 | Screw connection 1 (30), on relay plate |
501 | Screw connection 2 (30), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
E30 | Positive connection (30), in dash panel wiring harness |
F8 | Kick-down switch |
F60 | Idling speed switch |
G79 | Accelerator position sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
Q6 | Glow plugs - engine |
T2 | 2-pin connector |
T6 | 6-pin connector, brown, coupling station on electronics box, on left in plenum chamber |
T6a | 6-pin connector, behind left dash panel |
T10 | 10-pin connector, orange, coupling station on electronics box, on left in plenum chamber |
T10h | 10-pin connector, blue, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
135 | Earth connection 2, in dash panel wiring harness |
A104 | Positive connection 2 (15), in dash panel wiring harness |
G2 | Coolant temperature display sender |
G28 | Engine speed sender |
G62 | Coolant temperature sender |
G70 | Air mass meter |
J217 | Automatic gearbox control unit, in centre plenum chamber |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
T3 | 3-pin connector, on front of engine |
T10 | 10-pin connector, orange, coupling station on electronics box, on left in plenum chamber |
T10d | 10-pin connector, white, coupling station on electronics box, on left in plenum chamber |
T10h | 10-pin connector, blue, coupling station on electronics box, on left in plenum chamber |
T14 | 14-pin connector, in engine compartment |
T68 | 68-pin connector, on automatic gearbox control unit |
T121 | 121-pin connector |
200 | Earth connection (screening), in engine compartment wiring harness |
* | compressor switch-off |
** | air conditioner "ready" connection |
| only automatic gearbox |
G80 | Needle lift sender |
G81 | Fuel temperature sender |
G149 | Modulating piston movement sender |
J104 | ABS/ABS control unit with EDL, in left engine compartment |
J217 | Automatic gearbox control unit, in centre plenum chamber |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
N146 | Metering adjuster |
T2a | 2-pin connector, on front of engine |
T10d | 10-pin connector, white, coupling station on electronics box, on left in plenum chamber |
T10f | 10-pin connector, on front of engine |
T25 | 25-pin connector |
T68 | 68-pin connector, on automatic gearbox control unit |
T121 | 121-pin connector |
200 | Earth connection (screening), in engine compartment wiring harness |
A121 | Positive connection (high bus), in interior wiring harness |
A122 | Positive connection (low bus), in engine compartment wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
| only automatic gearbox |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
J317 | Terminal 30 voltage supply relay |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N108 | Commencement of injection valve |
N109 | Fuel shut-off valve |
N239 | Variable intake manifold flap change-over valve |
S234 | Fuse 34 in fuse holder |
T6 | 6-pin connector, brown, coupling station on electronics box, on left in plenum chamber |
T10 | 10-pin connector, orange, coupling station on electronics box, on left in plenum chamber |
T10f | 10-pin connector, on front of engine |
T10h | 10-pin connector, blue, coupling station on electronics box, on left in plenum chamber |
T14a | 14-pin connector, black, in engine compartment |
T121 | 121-pin connector |
B147 | Positive connection 2 (87), in interior wiring harness |
E30 | Connection (87a), in engine wiring harness |
E45 | Cruise control system switch** |
E227 | Cruise control system (CCS) SET button** |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
S13 | Fuse 13 in fuse holder |
T7 | 7-pin connector, next to steering column |
T10d | 10-pin connector, white, coupling station on electronics box, on left in plenum chamber |
T10e | 10-pin connector, black, coupling station on electronics box, on left in plenum chamber |
T121 | 121-pin connector |
A18 | Connection (54), in dash panel wiring harness |
A100 | Positive connection 3 (87), in interior wiring harness |
* | only models with manual gearbox |
** | only models with GND |
J248 | Diesel direct injection system control unit, in centre plenum chamber |
J359 | Low heat output relay, in protective housing on left in engine compartment |
J360 | High heat output relay, in protective housing on left in engine compartment |
Q7 | Glow plugs, coolant |
T2b | 2-pin connector |
T6 | 6-pin connector, brown, coupling station on electronics box, on left in plenum chamber |
T10 | 10-pin connector, orange, coupling station on electronics box, on left in plenum chamber |
T121 | 121-pin connector |
10 | Earth point, in plenum chamber |
156 | Earth connection, in diesel direct injection wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
D50 | Positive connection (30), in engine compartment wiring harness |
D74 | Connection (86), in engine compartment wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
L32 | Connection 1, in heater wiring harness |
* | only models with manual gearbox and heater elements |
** | only models with heater crankcase breather |
G | Fuel gauge sender |
G32 | Coolant shortage indicator sender |
G266 | Oil level and oil temperature sender |
S5 | Fuse 5 in fuse holder |
S232 | Fuse 32 in fuse holder |
S243 | Fuse 43 in fuse holder |
T6 | 6-pin connector, brown, coupling station on electronics box, on left in plenum chamber |
T14 | 14-pin connector, black, in engine compartment |
10 | Earth point, in plenum chamber |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
A99 | Connection 1 (87), in dash panel wiring harness |
A100 | Connection 2 (87), in dash panel wiring harness |
B147 | Positive connection 2 (87), in interior wiring harness |
F1 | Oil pressure switch |
G22 | Speedometer sender (Hall sender, on gearbox) |
H11 | Oil pressure warning buzzer |
J285 | Control unit with display in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
K29 | Glow period warning lamp |
S7 | Fuse 7 in fuse holder |
T14 | 14-pin connector, black, in engine compartment |
T32 | 32-pin connector, blue, on dash panel insert |
10 | Earth point, in plenum chamber |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface |
K38 | Oil level warning lamp |
K105 | Reserve fuel warning lamp |
T16 | 16-pin connector, diagnostic connector |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
A27 | Connection (speed signal), in dash panel wiring harness |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |