| D | Ignition/starter switch |
| E150 | Interior locking switch, driver's side |
| S6 | Fuse in fuse box |
| S14 | Fuse in fuse box |
| S238 | Fuse in fuse box |
| T3ag | 3-pin connector, black, right connector point, A pillar |
| T4h | 4-pin connector, in driver's door |
| 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 |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 106 | Earth connection, in anti-theft alarm system wiring harness |
| 267 | Earth connection -2-, in door wiring harness - driver's side |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| Q14 | Connection (inhibitor switch), in central locking wiring harness |
| Q53 | Positive (+) connection (15), in anti-theft alarm system wiring harness |
| R10 | Positive (+) connection -1- (30), in door wiring harness - driver's side |
| S1 | Positive (+) connection (30), in central locking wiring harness |
| F2 | Door contact switch, driver's side |
| F3 | Door contact switch, front passenger's side |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| 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 |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 267 | Earth connection -2-, in door wiring harness - driver's side |
| 268 | Earth connection -2-, in door wiring harness - front passenger's side |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| Q52 | Connection (door contact switch), in anti-theft alarm system wiring harness |
| R1 | Connection (door contact switch, right), in central locking wiring harness |
| R2 | Connection (door contact switch, left), in central locking wiring harness |
| R8 | Connection (door contact switch), in rear door contact switch wiring harness |
| R15 | Connection -2- (closed), in door wiring harness - driver's side |
| R30 | Connection -2- (closed), in door wiring harness - front passenger's side |
| * | Only applies to models without multi-function display |
| F121 | Driver's door handle switch for anti-theft alarm |
| F122 | Front passenger's door handle switch for anti-theft alarm |
| F124 | Contact switch in lock cylinder |
| T8f | 8-pin connector, brown, in luggage compartment, rear left |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| T15b | 15-pin connector, brown, right connector point, A pillar |
| T15c | 15-pin connector, brown, left connector point, A pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 87 | Earth connection -2-, in rear wiring harness |
| 218 | Earth connection -1-, in rear lid wiring harness |
| 267 | Earth connection -2-, in door wiring harness - driver's side |
| 268 | Earth connection -2-, in door wiring harness - front passenger's side |
| Q42 | Connection (lock cylinder open), in anti-theft alarm system wiring harness |
| Q43 | Connection (lock cylinder closed), in anti-theft alarm system wiring harness |
| W17 | Connection (lock cylinder open), in rear wiring harness |
| W18 | Connection (lock cylinder closed), in rear wiring harness |
| * | Applies to Audi Avant models only |
| ** | Applies to Audi saloon models only |
| F248 | Release button for rear lid lock cylinder |
| R47 | Central locking and anti-theft alarm system aerial |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T8e | 8-pin connector, black, in luggage compartment, rear left |
| T10aa | 10-pin connector, orange, right connector point, A pillar |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| T15a | 15-pin connector, black, right connector point, A pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 106 | Earth connection, in anti-theft alarm system wiring harness |
| A29 | Positive (+) connection (interior light), in dash panel wiring harness |
| W9 | Positive (+) connection (30), in rear wiring harness |
| W12 | Connection (DWA (anti-theft alarm system)), in rear lid wiring harness, left |
| W16 | Connection (contact switch in rear lid/anti-theft alarm/central locking system lock cylinder), in rear wiring harness |
| W20 | Positive (+) connection (30a), in rear wiring harness |
| * | Applies to Audi Avant models only |
| ** | Applies to Audi saloon models only |
| *** | Only applies to models with radio-operated remote control |
| T8e | 8-pin connector, black, in luggage compartment, rear left |
| T8f | 8-pin connector, brown, in luggage compartment, rear left |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| T10ao | 10-pin connector, white, left connector point, A pillar |
| T15b | 15-pin connector, brown, right connector point, A pillar |
| T15c | 15-pin connector, brown, left connector point, A pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| V139 | Rear lid release motor |
| W3 | Luggage compartment light |
| W35 | Luggage compartment light, right |
| 86 | Earth connection -1-, in rear wiring harness |
| 87 | Earth connection -2-, in rear wiring harness |
| 218 | Earth connection -1-, in rear lid wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| Q22 | Connection -1-, in rear lid wiring harness |
| Q59 | Connection (country coding), in anti-theft alarm system wiring harness |
| * | Applies to Audi Avant models only |
| ** | Applies to Audi saloon models only |
| F111 | Rear lid contact switch |
| J218 | Combi-processor in dash panel insert |
| J234 | Airbag control unit |
| T8f | 8-pin connector, brown, in luggage compartment, rear left |
| T10aa | 10-pin connector, orange, right connector point, A pillar |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| T10ao | 10-pin connector, white, left connector point, A pillar |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 87 | Earth connection -2-, in rear wiring harness |
| 218 | Earth connection -1-, in rear lid wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| W3 | Connection, in rear wiring harness |
| * | Applies to Audi saloon models only |
| ** | Applies to Audi Avant models only |
| *** | Only applies to models without multi-function display |
| D | Ignition/starter switch |
| E3 | Hazard warning light switch |
| F120 | Anti-theft alarm system contact switch |
| T10j | 10-pin connector, green, left connector point, A pillar |
| T10aa | 10-pin connector, orange, right connector point, A pillar |
| T14a | 14-pin connector, black, in engine compartment |
| 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 |
| T15o | 15-pin connector, grey, left connector point, A pillar |
| T17a | 17-pin connector, brown, left connector point, A pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay |
| 44 | Earth point, A pillar, bottom left |
| 83 | Earth connection 1, in front right wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| Q59 | Connection (country coding), in anti-theft alarm system wiring harness |
| X77 | Connection (alarm), in optional equipment wiring harness |
| * | ⇒ Applicable Current Flow Diagram: Electric windows |
| ** | ⇒ Applicable Current Flow Diagram: Electric sliding/tilting sunroof |
| *** | Depending on vehicle equipment |
| F147 | Vanity mirror contact switch, driver's side |
| F148 | Vanity mirror contact switch, front passenger's side |
| J234 | Airbag control unit |
| K144 | Airbag deactivated warning lamp, driver's side |
| L31 | Vanity mirror light bulb |
| T3aw | 3-pin connector, grey, left connector point, A pillar |
| T10an | 10-pin connector, yellow, right connector point, A pillar |
| T15o | 15-pin connector, grey, left connector point, A pillar |
| W | Interior light, front |
| W11 | Rear left reading light |
| W12 | Rear right reading light |
| W13 | Front passenger reading light |
| W19 | Reading light, driver's side |
| W43 | Rear interior light |
| Y7 | Automatic anti-dazzle interior mirror |
| 44 | Earth point, A pillar, bottom left |
| 128 | Earth connection -1-, in interior light wiring harness |
| Y1 | Positive (+) connection (30), in interior light wiring harness |
| * | Only applies to models with illuminated vanity mirror |
| ** | Does not apply to models with illuminated vanity mirror |
| *** | Only applies to models with automatic anti-dazzle interior mirror |
| J452 | Door warning lamps control unit |
| T3z | 3-pin connector, grey, in driver's door |
| T3ab | 3-pin connector, grey, in front passenger's door |
| T4n | 4-pin connector, black, in rear left door |
| T4o | 4-pin connector, black, in rear right door |
| T6ai | 6-pin connector, yellow, left connector point, B pillar |
| T6aj | 6-pin connector, yellow, right connector point, B pillar |
| 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 |
| W9 | Left footwell light |
| W10 | Right footwell light |
| W30 | Door warning lamp, driver's side |
| W36 | Door warning lamp, front passenger's side |
| W37 | Door warning lamp, rear left |
| W38 | Door warning lamp, rear right |
| 43 | Earth point, A pillar, bottom right |
| 106 | Earth connection, in anti-theft alarm system wiring harness |
| 268 | Earth connection -2-, in door wiring harness - front passenger's side |
| S2 | Connection, in central locking wiring harness |
