| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| Q6 | Glow plugs - engine |
| S125 | Engine glow plug fuse, in protective housing for control units on left in engine compartment |
| T2b | 2-pin connector, blue, on right on engine block |
| T6n | 6-pin connector, red, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| 1 | Earth strap, battery body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection 1 (30), on relay plate |
| 504 | Screw connection 1 (87F), on relay plate |
| A17 | Connection (61), in dash panel wiring harness |
| A52 | Positive connection (30), in dash panel wiring harness |
| F31 | Connection (engine glow plugs), in diesel direct injection system wiring harness |
| F8 | Kickdown switch |
| F60 | Idling speed switch |
| G79 | Accelerator position sender |
| J52 | Glow plug relay |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J317 | Terminal 30 voltage supply relay, in protective housing for control units |
| S102 | Engine control unit fuse, in protective housing for control units |
| T6a | 6-pin connector, on accelerator position sender |
| T6n | 6-pin connector, red, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, yellow, on protective housing for control units on left in engine compartment |
| T10g | 10-pin connector, white, on protective housing for control units on left in engine compartment |
| T80 | 80-pin connector, on diesel direct injection system control unit |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A52 | Positive connection (30), in dash panel wiring harness |
| F28 | Connection 3, in diesel direct injection system wiring harness |
| F33 | Positive connection (30), in diesel direct injection system wiring harness |
| G28 | Engine speed sender |
| G71 | Intake manifold pressure sender |
| G72 | Intake manifold temperature sender |
| G80 | Needle lift sender |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| T2 | 2-pin connector, brown, near needle lift sender |
| T3 | 3-pin connector, black, near engine speed sender |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, yellow, on protective housing for control units on left in engine compartment (chamber 2 - self-diagnosis connection) |
| T80 | 80-pin connector, on diesel direct injection system control unit |
| 12 | Earth point, on left in engine compartment |
| 32 | Earth point, on left behind dash panel |
| 81 | Earth connection 1, in dash panel wiring harness |
| 156 | Earth connection, in diesel direct injection wiring harness |
| A45 | Connection (RPM signal), in dash panel wiring harness |
| G2 | Coolant temperature display sender (01039) |
| G62 | Coolant temperature sender (00522) |
| G81 | Fuel temperature sender (00539) |
| G149 | Modulating piston movement sender (00765) |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| N108 | Commencement of injection valve (01269) |
| N109 | Fuel switch-off valve (01237) |
| N146 | Metering adjuster (01268) |
| T3 | 3-pin connector, near injection pump, only engine codes AHU, AFN |
| T8a | 8-pin connector, near injection pump, only engine codes AHU, AFN |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10x | 10-pin connector, near injection pump, only engine code AHH |
| T80 | 80-pin connector, on diesel direct injection system control unit |
| F25 | Connection 1, in diesel direct injection system wiring harness |
| F26 | Connection 2, in diesel direct injection system wiring harness |
| F4 | Reversing light switch |
| G70 | Air mass meter (00553) |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J397 | Radiator fan run-on relay |
| N18 | Exhaust gas recirculation valve (01265) |
| N75 | Charge pressure control solenoid valve (01262) |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, yellow, on protective housing for control units on left in engine compartment |
| T10g | 10-pin connector, white, on protective housing for control units on left in engine compartment |
| T10k | 10-pin connector, grey, left A-pillar coupling station |
| T80 | 80-pin connector, on diesel direct injection system control unit |
| A10 | Connection (glow plug control), in dash panel wiring harness |
| A15 | Positive connection (15), in instrument panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| F25 | Connection 1, in diesel direct injection system wiring harness |
| --- | Only models with cruise control system (CCS) |
| * | Only engine code AFN |
| E45 | Cruise control system switch, position 0 = OFF in detent, position 1 = OFF with button, position 2 = ON, position 3 = RES |
| E227 | Cruise control system (CCS) SET button |
| F | Brake light switch (00526) |
| F36 | Clutch pedal switch (00650) |
| F47 | Cruise control system brake pedal switch/diesel direct injection system (00629) |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| S13 | Fuse 13 on fuse holder |
| T10 | 10-pin connector, black, next to steering column |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, yellow, on protective housing for control units on left in engine compartment |
| T10g | 10-pin connector, white, on protective housing for control units on left in engine compartment |
| T80 | 80-pin connector, on diesel direct injection system control unit |
| A89 | Connection wire (brake light switch), in dash panel wiring harness |
| --- | Only models with cruise control system (CCS) |
| J248 | Diesel direct injection system control unit, in protective housing for control units |
| J359 | Low heat output relay (01193), control number (373), in protective housing for control units |
| J360 | High heat output relay (01194), control number (370), in protective housing for control units |
| Q7 | Coolant glow plugs |
| S109 | Coolant glow plug fuse, in protective housing for control units |
| S143 | Coolant glow plug fuse 2, in protective housing for control units |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment (chamber 8 - air conditioning system connection) |
| 501 | Screw connection 2 (30), on relay plate |
| A131 | Connection (fuel consumption signal), in dash panel wiring harness |
| F1 | Oil pressure switch |
| G | Fuel gauge sender (00771) |
| G22 | Speedometer sender, on left in gearbox |
| G23 | Fuel pump (only for Syncro) |
| G32 | Coolant shortage indicator sender |
| G169 | Fuel level sender II (only for Syncro) |
| G237 | Fuel level sender III (only for Syncro) |
| J17 | Fuel pump relay (01259), on 13 position additional relay carrier (only for Syncro), control number (214) |
| S228 | Fuse 28 on fuse holder |
| T3d | 3-pin connector, front left in engine compartment |
| T4e | 4-pin connector |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, yellow, on protective housing for control units on left in engine compartment |
| 75 | Earth point, rear right pillar |
| 156 | Earth connection, in diesel direct injection wiring harness |
| 197 | Earth connection 4, in rear wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| G1 | Fuel gauge (0064) |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter (00662) |
| H11 | Oil pressure warning buzzer |
| J285 | Display control unit, in dash panel insert (01317) |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K29 | Glow period warning lamp (00626) |
| L75 | Digital display illumination bulb |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| Y4 | Odometer display |
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