| E9 | Fresh air blower switch |
| E33 | Temperature switch for evaporator |
| E35 | Air conditioner switch |
| E159 | Fresh air/air recirculating flap switch |
| J248 | Diesel direct injection system control unit, in engine compartment, left |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air controls light bulb |
| N24 | Fresh air blower with overheating fuse series resistor |
| N63 | Fresh and recirculating air flap two-way valve |
| T1o | Single connector, behind relay plate |
| T1v | Single connector, behind relay plate |
| T2q | 2-pin connector, behind relay plate |
| T4a | 4-pin connector |
| T5f | 5-pin connector |
| T8a | 8-pin connector |
| T8h | 8-pin connector, behind dash panel, centre |
| T68 | 68-pin connector |
| T121 | 121-pin connector |
| V2 | Fresh air blower |
| 33 | Earth point, behind dash panel, right |
| 110 | Earth connection -2-, in instruments wiring harness |
| A53 | Positive (+) connection (58b), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in instruments wiring harness |
| L5 | Connection -1-, in air conditioner wiring harness |
| E3 | Hazard warning light switch |
| J14 | Warm air blower relay, control number (53), behind dash panel, centre |
| SB9 | Fuse -9- in fuse box/relay plate, below the relay plate |
| SB15 | Fuse -15- in fuse box/relay plate, below the relay plate |
| T8b | 8-pin connector, on hazard warning light switch |
| T8g | 8-pin connector, behind relay plate |
| 110 | Earth connection -2-, in instruments wiring harness |
| * | Up to August 2000 |
| --- | From September 2000 |
| A | Battery |
| J32 | Air conditioning system relay, control number (140), with 1/2 second switching delay |
| J248 | Diesel direct injection system control unit, in engine compartment, left |
| J365 | Air conditioning system switch-off relay, control number (147) |
| N25 | Air conditioning system magnetic coupling |
| SA2 | Fuse -2- in battery fuse box |
| SA3 | Fuse -3- in battery fuse box |
| SB14 | Fuse -14- in fuse box/relay plate, below the relay plate |
| T1l | Single connector, behind relay plate |
| T1q | Single connector, behind relay plate |
| T2 | 2-pin connector, near compressor |
| T3i | 3-pin connector, behind relay plate |
| T6e | 6-pin connector, behind relay plate |
| T68 | 68-pin connector |
| T121 | 121-pin connector |
| V51 | Continued coolant circulation pump |
| 110 | Earth connection -2-, in instruments wiring harness |
| 194 | Earth connection -2-, in radiator fan wiring harness |
| K26 | Connection -5-, in radiator fan wiring harness |
| * | Up to August 2000 |
| --- | From September 2000 |
| A | Battery |
| F18 | Radiator fan thermo-switch |
| F129 | Air conditioner pressure switch |
| F163 | Air conditioner shut-off thermo-switch |
| F165 | Radiator fan thermo-switch, third speed |
| J26 | Radiator fan relay |
| N39 | Radiator fan series resistor |
| T2e | 2-pin connector, with 350 Watt fan |
| T2f | 2-pin connector, with 350 Watt fan |
| 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 |
| T6e | 6-pin connector, behind relay plate |
| V7 | Radiator fan, left (350/450 W) |
| V35 | Radiator fan, right (350/450 W) |
| 193 | Earth connection -1-, in radiator fan wiring harness |
| 194 | Earth connection -2-, in radiator fan wiring harness |
| 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 |
| * | Only models with manual gearbox |
| ** | Only models with automatic gearbox |
| E179 | Rear fresh air blower switch |
| J353 | Rear fresh air/air recirculation flap relay, control number (94), behind dash panel, centre |
| N10 | Rear fresh air blower series resistor |
| N45 | Rear fresh air/air recirculation flap two- way valve |
| T2q | 2-pin connector, behind relay plate |
| T2s | 2-pin connector, behind dash panel, right |
| T2u | 3-pin connector, behind dash panel, right |
| T2v | 2-pin connector |
| T2w | 2-pin connector |
| T2x | 2-pin connector, behind steering column right D-pillar trim |
| T2y | 2-pin connector |
| T4l | 4-pin connector, behind relay plate |
| T4m | 4-pin connector |
| T4n | 4-pin connector |
| V80 | Rear fresh air blower |
| 30 | Earth point, next to relay plate |
| 79 | Earth point, behind lower right D pillar |
| L54 | Positive connection (3rd blower speed), in passenger compartment ventilation fan wiring harness |
| E100 | Warm air blower switch |
| G275 | Interior rear temperature potentiometer |
| J162 | Heater control unit, control number (152), behind dash panel, centre |
| L83 | Warm air blower switch -illumination |
| N72 | Series resistance for warm air blower |
| N172 | Additional heat exchanger valve |
| T2r | 2-pin connector, behind relay plate |
| T3a | 3-pin connector |
| T3h | 3-pin connector, behind relay plate |
| T4o | 4-pin connector |
| T5e | 5-pin connector |
| T8g | 8-pin connector, behind relay plate |
| V47 | Rear warm air blower, in rear of passenger compartment |
| 30 | Earth point -1-, next to relay plate |
| 110 | Earth connection -2-, in dash panel wiring harness |
| W3 | Connection in rear wiring harness |
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