| D | Ignition/starter switch |
| J59 | X contact relief relay |
| SB15 | Fuse -15- on fuse box |
| SB16 | Fuse -16- on fuse box |
| SB31 | Fuse -31- on fuse box |
| SB36 | Fuse -36- on fuse box |
| SB38 | Fuse -38- on fuse box |
| T16 | 16-pin connector, diagnostic connector, black, near fuse box |
| 44 | Earth point, lower part of left A pillar |
| 249 | Earth connection -2-, in interior wiring harness |
| 284 | Earth connection -6-, in interior wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A34 | Connection (75x), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| B138 | Positive (+) connection (X), in interior wiring harness |
| E87 | Air conditioning system/Climatronic operating and display unit |
| J126 | Fresh air blower control unit |
| J285 | Control unit with display in dash panel insert |
| N280 | Air conditioning system compressor regulating valve |
| T16 | 16-pin connector, diagnostic connector, black, near fuse box |
| T17e | 17-pin connector, blue, in footwell, front left |
| T32a | 32-pin connector, green, on dash panel insert |
| V2 | Fresh air blower |
| 279 | Earth connection -5-, in interior wiring harness |
| 284 | Earth connection -6-, in interior wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| B111 | Positive (+) connection -1- (30a), in interior wiring harness |
| B135 | Connection -1- (15a), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| E87 | Air conditioning system/Climatronic operating and display unit |
| G92 | Temperature flap control motor potentiometer |
| G112 | Central flap control motor potentiometer |
| G135 | Defroster flap control motor potentiometer |
| G143 | Air recirculation flap control motor potentiometer |
| T17e | 17-pin connector, blue, in footwell, front left |
| V68 | Temperature flap control motor |
| V70 | Central flap control motor |
| V107 | Defroster flap control motor |
| V113 | Air recirculation flap control motor |
| 97 | Earth connection -1-, in air conditioning system wiring harness |
| L31 | Connection (5V), in air conditioning system wiring harness |
| * | Applicable up to model year 2004 (phased-in modification) |
| ** | Applicable from model year 2004 (phased-in modification) |
| *** | ⇒ Applicable engine Current Flow Diagram |
| E87 | Air conditioning system/Climatronic operating and display unit |
| G89 | Fresh air intake duct temperature sensor |
| G107 | Sunlight penetration photosensor |
| G191 | Vent temperature sender, centre |
| G192 | Vent temperature sender, footwell |
| G263 | Evaporator out-flow temperature sender |
| J31 | Automatic intermittent wash/wipe relay |
| T10f | 10-pin connector, blue, connector point, A pillar, left |
| V | Windscreen wiper motor |
| 44 | Earth point, lower part of left A pillar |
| 97 | Earth connection -1-, in air conditioner wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| E87 | Air conditioning system/Climatronic operating and display unit |
| G65 | High pressure sender |
| R18 | Frequency switch, left |
| R19 | Frequency switch, right |
| T10e | 10-pin connector, brown, connector point, A pillar, left |
| T17f | 17-pin connector, white, connector point, A pillar, left |
| Z1 | Heated rear window |
| 62 | Earth point, right C pillar |
| 119 | Earth connection -1-, in headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| 277 | Earth connection -3-, in interior wiring harness |
| 284 | Earth connection -6-, in interior wiring harness |
| B180 | Connection (heated rear window), in interior wiring harness |
| B248 | Connection -2- (heated rear window), in interior wiring harness |
| C | Alternator |
| J248 | Diesel direct injection system control unit |
| J293 | Radiator fan control unit |
| S142 | Radiator fan control unit fuse |
| T2j | 2-pin connector, black, on radiator fan control unit |
| T2k | 2-pin connector, brown, on radiator fan control unit |
| T6g | 6-pin connector, black, on radiator fan control unit |
| T10f | 10-pin connector, blue, connector point, A pillar, left |
| T17e | 17-pin connector, blue, in footwell, front left |
| T17g | 17-pin connector, red, connector point, A pillar, left |
| V7 | Radiator fan |
| 119 | Earth connection -1-, in headlight wiring harness |
| B149 | Positive (+) connection -2- (15a), in interior wiring harness |
| B156 | Positive (+) connection (30a), in interior wiring harness |
| B177 | Connection (61), in interior wiring harness |
| * | Does not apply to models with engine code BAD |
| ** | Only applies to models with engine code BAD |
| *** | Only applies to models with engine codes AMF, ATL and BHC |
| F18 | Radiator fan thermo-switch |
| F54 | Radiator fan thermo-switch |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| T6g | 6-pin connector, black, on radiator fan control unit |
| T10e | 10-pin connector, brown, connector point, A pillar, left |
| T10s | 10-pin connector, white, in footwell, front left |
| 119 | Earth connection -1-, in headlight wiring harness |
| * | Does not apply to models with engine code BAD |
| ** | Only applies to models with engine code BAD |
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