| B | Starter |
| D | Ignition/starter switch |
| J... | Engine control unit |
| J207 | Starter inhibitor relay, on 13 position additional relay carrier |
| J217 | Automatic gearbox control unit, in front right footwell in front right footwell |
| S15 | Fuse in relay plate fuse box |
| T9 | 9-pin connector, on starter inhibitor relay |
| T10d | 10-pin connector, brown, on protective housing for control units, left in engine compartment |
| T10h | 10-pin connector, blue, on protective housing for control units, in left engine compartment |
| T15m | 15-pin connector, brown, coupling station right A-pillar |
| T15s | 15-pin connector, red, on protective housing for control units, in left engine compartment |
| T88 | 88-pin connector, on automatic gearbox control unit |
| 501 | Screw connection -2- (30), on relay plate |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A32 | Positive connection (30), in dash panel wiring harness |
| A86 | Connection (50a), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| E45 | Cruise control system switch |
| F4 | Reversing light switch |
| F125 | Multi-function switch |
| G38 | Gearbox speed sender |
| J217 | Automatic gearbox control unit in front right footwell |
| T3m | 3-pin connector, brown, right connector point A-pillar |
| T8 | 8-pin connector, on left lower of gearbox |
| T10n | 10-pin connector, orange, ABS (dash panel) |
| T15m | 15-pin connector, brown, right connector point A-pillar |
| T16a | 16-pin connector, on gearbox |
| T88 | 88-pin connector, on automatic gearbox control unit |
| A87 | Connection (RL), in dash panel wiring harness |
| U10 | Connection (cruise control system), in automatic gearbox wiring harness |
| --- | Only models with cruise control system (CCS) |
| * | Only models with TCS |
| ** | Only models with a petrol engine |
| F | Brake light switch |
| G93 | Gearbox oil temperature sender |
| G182 | Gearbox input speed sender |
| J217 | Automatic gearbox control unit in front right footwell |
| J285 | Control unit with display in dash panel insert |
| N88 | Solenoid valve 1 |
| N89 | Solenoid valve 2 |
| N90 | Solenoid valve 3 |
| N91 | Solenoid valve 4 |
| N92 | Solenoid valve 5 |
| N93 | Solenoid valve 6 |
| N94 | Solenoid valve 7 |
| T15m | 15-pin connector, brown, right connector point A-pillar |
| T16 | 10-pin connector, self-diagnosis connector, in centre console near handbrake lever |
| T16a | 16-pin connector, on gearbox |
| T32a | 32-pin connector, blue, on dash panel insert |
| T88 | 88-pin connector, on automatic gearbox control unit |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A89 | Connection (54), in dash panel wiring harness |
| ** | Only models with a petrol engine |
| E45 | Cruise control system switch |
| F8 | Kick-down switch |
| J217 | Automatic gearbox control unit, in front right footwell in front right footwell |
| J285 | Control unit with display in dash panel insert |
| T10h | 10-pin connector, blue, on protective housing for control units, in left engine compartment on protective housing for control units, in left engine compartment |
| T15m | 15-pin connector, brown, coupling station right A-pillar |
| T32b | 32-pin connector, green, on dash panel insert |
| T88 | 88-pin connector, on automatic gearbox control unit |
| 12 | Earth point, in engine compartment, left |
| 33 | Earth point, behind dash panel, right |
| 114 | Earth connection, in automatic gearbox wiring harness |
| 124 | Earth connection, in engine compartment right wiring harness |
| ** | For vehicles with a petrol engine only |
| D | Ignition/starter switch |
| F189 | Tiptronic switch |
| J17 | Fuel pump relay |
| J217 | Automatic gearbox control unit, in front right footwell in front right footwell |
| K142 | Selector lever position P/N warning lamp |
| L101 | Selector lever display illumination |
| N110 | Selector lever lock solenoid |
| S231 | Fuse in fuse holder |
| T3m | 3-pin connector, brown, coupling station left A-pillar |
| T10q | 10-pin connector, under centre console |
| T15m | 15-pin connector, brown, coupling station right A-pillar |
| T88 | 88-pin connector, on automatic gearbox control unit |
| 114 | Earth connection (dash panel insert), in automatic gearbox wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| U3 | Connection -1-, in automatic gearbox wiring harness |
| U6 | Connection -2-, in automatic gearbox wiring harness |