19.4 Removing and installing bulb for rear fog light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
19.5 Aligning tail light cluster with body contour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
20 High-level brake light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
20.1 Removing and installing high-level brake light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
21 Number plate light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
21.1 Removing and installing number plate light - vehicles up to 08.2007 . . . . . . . . . . . . . . . . 241
21.2 Removing and installing number plate light - vehicles from 09.2007 onwards . . . . . . . . . . 241
22 Steering column switch module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
22.1 Steering column switch module - exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
22.2 Removing and installing steering column switch module . . . . . . . . . . . . . . . . . . . . . . . . . . 243
22.3 Removing and installing return ring with slip ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
22.4 Removing and installing steering angle sender G85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
22.5 Removing and installing steering column electronics control unit J527 . . . . . . . . . . . . . . 246
22.6 Pin assignment at steering column electronics control unit J527 (front) . . . . . . . . . . . . . . 247
22.7 Pin assignment at steering column electronics control unit J527 (reverse side) . . . . . . . . 249
22.8 Removing and installing turn signal switch E2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
22.9 Removing and installing cruise control system switch E45 . . . . . . . . . . . . . . . . . . . . . . . . 251
22.10 Removing and installing intermittent wiper switch E22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
23 Entry and start authorisation switch E415 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
23.1 Removing and installing entry and start authorisation switch E415 . . . . . . . . . . . . . . . . . . 253
23.2 Pin assignment at entry and start authorisation switch E415 . . . . . . . . . . . . . . . . . . . . . . 254
24 Parking aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
24.1 Parking aid - overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
24.2 Removing and installing parking aid control unit J446 (vehicles up to 11.2005) . . . . . . . . 256
24.3 Removing and installing parking aid control unit J446 (vehicles from 11.2005) . . . . . . . . . . 257
24.4 Removing and installing front parking aid warning buzzer H22 - 8-channel parking aid . . 257
24.5 Removing and installing rear parking aid warning buzzer H15 . . . . . . . . . . . . . . . . . . . . . . 257
24.6 Removing and installing front parking aid senders - vehicles with twin grille . . . . . . . . . . . . 258
24.7 Removing and installing front parking aid senders - vehicles with single-frame radiator
grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
24.8 Removing and installing rear parking aid senders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
25 Automatic headlight range control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
25.1 Automatic headlight range control - overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
25.2 Removing and installing control unit for headlight range control J431 . . . . . . . . . . . . . . . . 262
96 - Lights, bulbs, switches - interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
1 Contact corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
2 Lights and switches in dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
2.1 Removing and installing buttons in instrument cluster trim . . . . . . . . . . . . . . . . . . . . . . . . 265
2.2 Removing and installing light switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
2.3 Removing and installing steering column adjustment switch E167 . . . . . . . . . . . . . . . . . . 266
2.4 Removing and installing switches in dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
2.5 Removing and installing glove compartment light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
2.6 Removing and installing glove compartment light switch E26 . . . . . . . . . . . . . . . . . . . . . . 268
2.7 Removing and installing footwell light (front) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
3 Lights and switches in front doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
3.1 Removing and installing bulb for door opener light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
3.2 Removing and installing mirror adjustment switch E43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
3.3 Removing and installing operating unit for window regulator in driver door E512 . . . . . . . . 272
3.4 Removing and installing window regulator switch in front passenger door E107 . . . . . . . . 273
3.5 Removing and installing driver side interior locking switch E150 / front passenger side interior
locking switch E198 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
3.6 Removing and installing interior door lighting strip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
3.7 Removing and installing switch panel with rear lid remote release button E233 and fuel tank
flap release button E319 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Audi A8 2003 ➤
Electrical system - Edition 08.2014
Contents v