Wiring Diagram AUDI A4 2002 - Auto-check system - door contact switches
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| J189 | Auto-check system |
| J218 | Combi-processor in dash panel insert |
| T10 | 10-pin connector, brown, connector point, electronics box, plenum chamber |
| T15a | 15-pin connector, black, right connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T32b | 32-pin connector, grey, on dash panel insert |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| * | See applicable engine version |
| ** | See applicable Current Flow Diagram: Central locking |
| *** | Applicable up to model year 2000 |
| **** | Applicable from model year 2001 |
Wiring Diagram AUDI A4 2002 - Auto-check system - windscreen washer fluid warning contact - radio
| F77 | Windscreen washer fluid warning contact |
| J189 | Auto-check system |
| R | Radio |
| T10i | 10-pin connector, black, in centre console |
| T10ad | 10-pin connector, red, left connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| T20b | 20-pin connector, black, radio connector I |
| T32b | 32-pin connector, grey, on dash panel insert |
| 199 | Earth connection -3-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A117 | Connection (enable), in dash panel wiring harness |
| A118 | Connection (data), in dash panel wiring harness |
| A119 | Connection (clock), in dash panel wiring harness |
| * | Only models with radio |
| ** | Applicable up to model year 2000 |
| *** | Applicable from model year 2001 |
Wiring Diagram AUDI A4 2002 - Auto-check system - function selection switch - reset button - bulb monitoring device
| D | Ignition/starter switch |
| E91 | Function selection switch |
| E92 | Reset button |
| J124 | Bulb monitoring device |
| J189 | Auto-check system |
| S5 | Fuse in fuse box |
| T15a | 15-pin connector, black, right connector point, A pillar |
| T15b | 15-pin connector, brown, right connector point, A pillar |
| T15c | 15-pin connector, brown, left connector point, A pillar |
| T32b | 32-pin connector, grey, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A2 | Positive (+) connection (30a), in dash panel wiring harness |
| A74 | Positive (+) connection (15a, fuse 5), in dash panel wiring harness |
| Q52 | Connection (door contact switch), in anti-theft alarm system wiring harness |
| * | See applicable Current Flow Diagram: Navigation system |
| ** | See applicable Current Flow Diagram: Central locking |
Wiring Diagram AUDI A4 2002 - Auto-check system
| J124 | Bulb monitoring device |
| L1 | Twin filament bulb for headlight, left |
| L2 | Twin filament bulb for headlight, right |
| M2 | Tail light bulb, right |
| M4 | Tail light bulb, left |
| M9 | Brake light bulb, left |
| M10 | Brake light bulb, right |
| T6 | 6-pin connector, light pink, right connector point, A pillar |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T8g | 8-pin connector, near headlight, right |
| T8h | 8-pin connector, near headlight, left |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| 86 | Earth connection -1-, in rear wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| * | Does not apply to 2.7 litre bi-turbo, 195 kW, 6-cylinder |
Wiring Diagram AUDI A4 2002 - Auto-check system
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| J124 | Bulb monitoring device |
| M1 | Side light bulb, left |
| M3 | Side light bulb, right |
| S20 | Fuse in fuse box/relay plate |
| S21 | Fuse in fuse box/relay plate |
| S22 | Fuse in fuse box/relay plate |
| S223 | Fuse in fuse box |
| T6 | 6-pin connector, light pink, right connector point, A pillar |
| T8g | 8-pin connector, near headlight, right |
| T8h | 8-pin connector, near headlight, left |
| T10ae | 10-pin connector, light pink, left connector point, A pillar |
| A9 | Positive (+) connection (56b), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| * | Applicable up to model year 2000 |
| ** | Applicable from model year 2001 |
Wiring Diagram AUDI A4 2002 - Auto-check system
| F | Brake light switch |
| J124 | Bulb monitoring device |
| M25 | High level brake light bulb |
| S13 | Fuse in fuse box |
| T8e | 8-pin connector, black, in luggage compartment, rear left |
| T10ao | 10-pin connector, white, left connector point, A pillar |
| 218 | Earth connection -1-, in tailgate wiring harness |
| A18 | Connection (54), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
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