A4 Mk1
| Control units and electrical components for vehicles up to model year 1997 - overview |
| 1 - | Battery |
| q | In plenum chamber |
| 2 - | Connector point (right-side) |
| q | At bottom of A-pillar |
| 3 - | Control unit for cruise control system -J213- |
| q | Above glove box |
| 4 - | Airbag control unit -J234- |
| q | Beneath centre console on centre tunnel |
| 5 - | Automatic gearbox control unit -J217- |
| q | In front of passenger's seat beneath floor covering |
| 6 - | Electrical connector, 16-pin -T16- - diagnostic connector |
| q | In rear ashtray |
| 7 - | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system -V94- |
| q | With infrared or radio remote control |
| q | In luggage compartment (right-side). |
| 8 - | Control unit for ultra-sonic sensors -J347- |
| q | Under rear seat bench |
| 9 - | ABS control unit -J104- |
| q | Beneath rear seat bench (left-side) |
| 10 - | Control unit for lock cylinder heating |
| q | Control unit for lock cylinder heating, left -J210- |
| q | Control unit for lock cylinder heating, right -J211- |
| q | In top of front door |
| 11 - | Instrument cluster |
| 12 - | Fuse holder |
| q | On left of dash panel |
| q | Removing and installing → Chapter |
| 13 - | Left A-pillar connector point |
| q | At bottom of A-pillar |
| 14 - | 13-position relay carrier |
| q | Beneath dash panel on driver's side |
| q | Removing and installing → Chapter |
| 15 - | Micro central electrics |
| q | Beneath dash panel on driver's side |
| q | Removing and installing → Chapter |
| 16 - | 8-position relay carrier |
| q | Beneath dash panel on driver's side |
| q | Removing and installing → Chapter |
| 17 - | Electronics box (plenum chamber) |
| q | With engine control unit, auxiliary relay carrier and additional fuse holder |
| q | Removing and installing → Chapter |
| 18 - | Immobiliser control unit -J362- |
| q | Beneath dash panel on centre console |
