A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J4 | Dual tone horn relay |
J59 | X contact relief relay |
S162 | Fuse -1- (30), in fuse box/battery |
S163 | Fuse -2- (30), in fuse box/battery |
S176 | Fuse -4- (30), in fuse box/battery |
S177 | Fuse -5- (30), in fuse box/battery |
T2e | 2-pin connector, near starter (only models without air conditioner) |
T4 | 4-pin connector, near starter (only models with air conditioner) |
T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
500 | Screw connection -1- (30), on relay plate |
502 | Screw connection -1- (30a), on relay plate |
* | Only models with heater elements - coolant |
** | Up to August 2000 |
-••- | From September 2000 |
D | Ignition/starter switch |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
J317 | Terminal 30 voltage supply relay, above the central electrics |
Q6 | Glow plugs - engine |
S10 | Fuse in fuse box |
S229 | Fuse in fuse box |
T2 | 2-pin connector, in cable channel left in engine compartment |
T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
T10h | 10-pin connector, blue, in control unit protective housing, in plenum chamber, left |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
501 | Screw connection -2- (30), on relay plate |
504 | Screw connection -1- (87F), on relay plate |
A2 | Positive (+) connection (15), in dash panel wiring harness |
A32 | Positive (+) connection (30), in dash panel wiring harness |
A80 | Connection -1- (X), in dash panel wiring harness |
A98 | Positive (+) connection-4-(30), in dash panel wiring harness |
A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
G81 | Fuel temperature sender |
G149 | Modulating piston movement sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
N146 | Metering adjuster |
T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
T10f | 10-pin connector, on engine front |
T121 | 121-pin connector |
42 | Earth point, next to steering columm |
49 | Earth point, on steering column |
81 | Earth connection -1-, in dash panel wiring harness |
135 | Earth connection -2-, in dash panel wiring harness |
D74 | Connection (86), in engine compartment wiring harness |
F25 | Connection -1-, in diesel direct injection system wiring harness |
*** | From May 2000 |
-••- | Up to April 2000 |
G2 | Coolant temperature sender |
G62 | Coolant temperature sender |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
N79 | Heater element (crankcase breather) |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
131 | Earth connection -2-, in engine compartment wiring harness |
608 | Earth point, in plenum chamber, centre |
J104 | ABS/ABS with EDL control unit |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
T25 | 25-pin connector, on ABS/ABS with EDL control unit (up to July 2000) |
T47a | 47-pin connector, ABS/ABS with EDL/TCS/ESP control unit (from August 2000) |
T121 | 121-pin connector |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
* | Connection for radiator fan control unit/ radiator fan relay connection |
** | Connection for air conditioner |
F8 | Kick-down switch |
F60 | Idling switch |
G28 | Engine speed sender |
G79 | Accelerator pedal position sender |
G80 | Needle lift sender |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
T2a | 2-pin connector, on engine front |
T3 | 3-pin connector, on engine front |
T6a | 6-pin connector |
T10h | 10-pin connector, blue, in control unit protective housing, in plenum chamber, left |
T121 | 121-pin connector |
200 | Earth connection (screening), in engine compartment wiring harness |
G70 | Air mass meter |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N239 | Intake manifold flap change-over valve |
T5 | 5-pin connector |
T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
T121 | 121-pin connector |
E29 | Connection, in engine wiring harness |
E45 | Cruise control system switch** |
E227 | Cruise control system (CCS) button (Set)** |
F36 | Clutch pedal switch** |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
N108 | Commencement of injection valve |
N109 | Fuel shut-off valve |
T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
T10f | 10-pin connector, on engine front |
T10s | 10-pin connector, next to steering column |
T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
T121 | 121-pin connector |
A155 | Connection -2- (86), in dash panel wiring harness |
** | Only models with CCS |
F | Brake light switch |
F47 | Cruise control system brake pedal switch (diesel direct injection system) |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
J359 | Low heat output relay*, in protective housing in engine compartment, left (53) |
J360 | High heat output relay*, in protective housing in engine compartment, left (100) |
Q7 | Coolant heating elements* |
S13 | Fuse in fuse box |
T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
T121 | 121-pin connector |
A18 | Connection (54), in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
A155 | Connection -2- (86), in dash panel wiring harness |
D50 | Positive (+) connection (30), in engine compartment wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
* | Only models with heater elements - coolant |
G | Fuel gauge sender |
G32 | Coolant shortage indicator sender |
S232 | Fuse in fuse box |
S234 | Fuse in fuse box |
S243 | Fuse in fuse box |
T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
T14a | 14-pin connector, near battery |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
A71 | Connection (86), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
B168 | Connection (86), in interior wiring harness |
* | Only models with multi-function display |
E86 | Multi-function display call-up button |
E109 | Multi-function display, memory switch |
G17 | Ambient temperature sensor |
J119 | Multi-function display |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface, in dash panel insert |
K29 | Glow period warning lamp |
T6e | 6-pin connector |
T16 | 16-pin connector, in dash panel centre, self-diagnosis connection |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
* | Only models with multi-function display |