| E87 | Control and display unit for Climatronic |
| G56 | Dash panel temperature sensor |
| G92 | Control motor potentiometer, temperature flap |
| J255 | Climatronic control unit |
| J285 | Control unit with display in dash panel insert |
| L75 | Digital display illumination |
| L76 | Button illumination |
| R | Radio |
| T5 | 5-pin connector, behind dash panel, centre |
| T8 | 8-pin connector, on radio |
| T8a | 8-pin connector, behind relay plate |
| T24 | 24-pin connector, behind dash panel, right |
| T32 | 32-pin connector, on dash panel insert |
| T28a | 28-pin connector, red |
| T28b | 28-pin connector, blue |
| TV13 | Terminal for speed signal, blue |
| V42 | Temperature sensor blower |
| V68 | Temperature flap control motor |
| G17 | Ambient temperature sensor |
| G112 | Control motor potentiometer, central flap |
| G114 | Control motor potentiometer, footwell/defroster flap |
| J255 | Climatronic control unit |
| J285 | Control unit with display in dash panel insert |
| T1m | 1-pin connector, behind relay plate |
| T5a | 5-pin connector, behind dash panel, centre |
| T5b | 5-pin connector, behind dash panel, centre |
| T24 | 24-pin connector, behind dash panel, right |
| T28b | 28-pin connector, blue |
| T28c | 28-pin connector, white |
| T32a | 32-pin connector, on dash panel insert |
| V70 | Central flap control motor |
| V85 | Footwell/defroster flap control motor |
| L39 | Connection (air conditioner pressure switch) -1-, in Climatronic wiring harness |
| L40 | Connection (air conditioner pressure switch) -2-, in Climatronic wiring harness |
| --- | Only models with Climatronic without multi-funcion display |
| * | Only models without Climatronic with multi-funcion display |
| ** | Only models with Climatronic with multi-funcion display |
| E265 | Rear Climatronic control and display unit |
| G17 | Ambient temperature sensor, on front left bumper |
| G107 | Sunlight penetration photosensor, on dash panel left |
| G110 | Air conditioner system coolant temperature sender, in engine compartment, left |
| G152 | Front vent temperature sender, on left footwell vent console |
| J255 | Climatronic control unit |
| L75 | Digital display illumination |
| L76 | Button illumination |
| N53 | Vacuum valve strip, behind dash panel, centre |
| T3a | 3-pin connector, behind dash panel, left |
| T4e | 4-pin connector, behind relay plate |
| T5d | 5-pin connector |
| T6c | 6-pin connector, behind relay plate |
| T6d | 6-pin connector, behind relay plate |
| T24 | 24-pin connector, behind dash panel, right |
| T28a | 28-pin connector, red |
| T28b | 28-pin connector, blue |
| T28c | 28-pin connector, white |
| 110 | Earth connection -2-, in instruments wiring harness |
| L56 | Connection (sender), in Climatronic wiring harness |
| L72 | Connection (photosensor), in Climatronic wiring harness |
| F129 | Air conditioner pressure switch |
| J126 | Fresh air blower control unit, behind right under dash panel |
| J162 | Heater control unit D4W |
| J255 | Climatronic control unit |
| T1e | Single connector, behind relay plate |
| T3 | 3-pin connector |
| T4e | 4-pin connector, behind relay plate |
| T8a | 8-pin connector, behind relay plate |
| T8e | 8-pin connector, behind relay plate |
| T8i | 8-pin connector, near additional heater |
| T24 | 24-pin connector, behind dash panel, right |
| T28a | 28-pin connector, red |
| T28b | 28-pin connector, blue |
| V2 | Fresh air blower |
| 33 | Earth point, behind dash panel, right |
| A61 | Positive (+) connection (X), in instruments wiring harness |
| L57 | Connection (air conditioner pressure switch) -1-, in Climatronic wiring harness - radiator fan |
| L58 | Connection (air conditioner pressure switch) -2-, in Climatronic wiring harness - radiator fan |
| * | Only models with additional water heater D4W |
| E20 | Switches and instruments, lighting control |
| G153 | Rear evaporator temperature sender |
| G154 | Rear heat exchanger temperature sender |
| J255 | Climatronic control unit |
| J285 | Control unit with display in dash panel insert |
| J349 | Evaporator blower control unit |
| L39 | Heated rear window switch bulb |
| T1b | Single connector, behind lower right D pillar trim |
| T4d | 4-pin connector, behind relay plate |
| T4f | 4-pin connector, behind steering column right D pillar trim |
| T6b | 6-pin connector, behind relay plate |
| T6c | 6-pin connector, behind relay plate |
| T6d | 6-pin connector, behind relay plate |
| T32 | 32-pin connector, on dash panel insert |
| T28a | 28-pin connector, red |
| T28c | 28-pin connector, white |
| V20 | Rear evaporator blower |
| 33 | Earth point, behind dash panel, right |
| 244 | Earth connection (sender earth), in Climatronic wiring harness |
| 245 | Earth connection, in 2nd evaporator fan wiring harness |
| A53 | Connection (58b), in dash panel wiring harness |
| J255 | Climatronic control unit |
| N43 | Refrigerant circulation solenoid valve, behind lower right D pillar trim |
| N147 | Coolant cut-off valve two-way valve, on bulkhead, left |
| N172 | Additional heat exchanger valve, on bulkhead, left |
| T4f | 4-pin connector, behind steering column right D pillar trim |
| T6b | 6-pin connector, behind relay plate |
| T6c | 6-pin connector, behind relay plate |
| T28a | 28-pin connector, red |
| T28c | 28-pin connector, white |
| TV14 | Terminal for self-diagnosis, white |
| 30 | Earth point -1-, next to relay plate |
| A20 | Connection (15a), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| L68 | Connection -2- (sender), in Climatronic wiring harness |
| A | Battery |
| E3 | Hazard warning light switch |
| J255 | Climatronic control unit |
| J323 | Blower relay, control number (114), behind dash panel, centre |
| J350 | Warm air blower control unit |
| SB13 | Fuse -13- in fuse box/relay plate, below the relay plate |
| SB14 | Fuse -14- in fuse box/relay plate, below the relay plate |
| SB15 | Fuse -15- in fuse box/relay plate, below the relay plate |
| T4d | 4-pin connector, behind relay plate |
| T6c | 6-pin connector, behind relay plate |
| T8b | 8-pin connector, on hazard warning light switch |
| T28a | 28-pin connector, red |
| T28b | 28-pin connector, blue |
| T28c | 28-pin connector, white |
| V47 | Rear warm air blower |
| 30 | Earth point -1-, next to relay plate |
| 110 | Earth connection -2-, in instruments wiring harness |
| 243 | Earth connection -1-, in Climatronic wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| F95 | Thermo-switch for continued coolant circulation |
| J254 | Relay for Climatronic, control number (140), with ½ second switching delay |
| N25 | Magnetic coupling air conditioning system |
| T1k | Single connector, behind relay plate |
| T1p | Single connector, behind relay plate |
| T2 | 2-pin connector, in engine compartment, front right |
| T8a | 8-pin connector, behind relay plate |
| V51 | Continued coolant circulation pump |
| 18 | Earth point, on engine block |
| 172 | Earth connection, in engine compartment wiring harness - Climatronic |
| A49 | Connection -1-, in dash panel wiring harness |
| A | Battery |
| F18 | Radiator fan thermo-switch |
| F163 | Air conditioner shut-off thermo-switch |
| F165 | Radiator fan thermo-switch, third speed, front in engine compartment |
| J26 | Radiator fan relay |
| N39 | Radiator fan series resistor |
| SA2 | Fuse -2- in battery fuse box |
| SA3 | Fuse -3- in battery fuse box |
| T1q | Single connector, behind relay plate |
| T4a | 4-pin connector |
| T4b | 4-pin connector |
| T4c | 4-pin connector |
| T4r | 4-pin connector, with 450 Watt fan |
| T4s | 4-pin connector, with 450 Watt fan |
| V7 | Radiator fan, left (450 W) |
| V35 | Radiator fan, right (450 W) |
| 172 | Earth connection -1-, in engine compartment wiring harness - Climatronic |
| K21 | Connection -1-, in radiator fan wiring harness |
| K22 | Connection -2-, in radiator fan wiring harness |
| K25 | Connection -4-, in radiator fan wiring harness |
| K26 | Connection -5-, in radiator fan wiring harness |
| J143 | Control unit idling speed boost, control number (155) |
| J217 | Automatic gearbox Gearbox, on lower part of left A-pillar |
| J311 | Idling speed boost relay, control number (125) |
| N177 | Idling speed boost valve |
| Q6 | Glow plugs - engine |
| T1l | Single connector, behind relay plate |
| T8d | 8-pin connector, behind relay plate |
| T68a | 68-pin connector, on automatic gearbox control unit |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
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