| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| T1ag | Single connector |
| T2bo | 2-pin connector |
| T2v | 2-pin connector, near battery |
| TV2 | Terminal 30 wiring junction |
| 1 | Earth strap, battery - body |
| 49 | Earth point, near ..., near battery |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| D26 | Positive connection (B+), in alternator wiring harness |
| P1 | Positive connection (30), in battery fuse holder |
| E40 | Front left window regulator switch |
| E81 | Front right window regulator switch in driver door |
| E107 | Window regulator switch in front passenger door |
| J393 | Convenience system central control unit |
| L53 | Window regulator switch illumination bulb |
| L99 | Interior lock switch illumination bulb |
| T2de | 2-pin connector |
| T2l | 2-pin connector |
| T2m | 2-pin connector |
| T4e | 4-pin connector |
| T4u | 4-pin connector |
| T12b | 12-pin connector |
| T12c | 12-pin connector |
| T20b | 20-pin connector, in front passenger door |
| T20c | 20-pin connector, in driver door |
| V147 | Driver side window regulator motor |
| V148 | Front passenger side window regulator motor |
| 205 | Earth connection, in driver door wiring harness |
| E52 | Rear left window regulator switch, in door |
| E53 | Rear left window regulator switch, in driver door |
| E55 | Rear right window regulator switch, in driver door |
| E254 | Childproof lock switch |
| J393 | Convenience system central control unit |
| L53 | Window regulator switch illumination bulb |
| L179 | Front right door ambient lighting bulb |
| R | Radio |
| T2da | 2-pin connector |
| T4ac | 4-pin connector |
| T5p | 5-pin connector |
| T5q | 5-pin connector |
| T8h | 8-pin connector |
| T10a | 10-pin connector, on left B-pillar |
| T12b | 12-pin connector |
| T12c | 12-pin connector |
| T16h | 16-pin connector, next to relay plate |
| T23a | 23-pin connector |
| V26 | Rear left window regulator motor |
| A19 | Connection (58d), in dash panel wiring harness |
| W79 | Window regulator connection in rear wiring harness |
| E54 | Rear right window regulator switch, in door |
| F338 | Driver door power latching system contact switch |
| H8 | Anti-theft alarm system horn |
| J393 | Convenience system central control unit |
| L53 | Window regulator switch illumination bulb |
| T2al | 2-pin connector |
| T2db | 2-pin connector |
| T4ad | 4-pin connector |
| T6c | 6-pin connector |
| T10b | 10-pin connector, on right B-pillar |
| T12c | 12-pin connector |
| T16c | 16-pin connector, next to relay plate |
| T16h | 16-pin connector, next to relay plate |
| T20c | 20-pin connector, in driver door |
| T23a | 23-pin connector |
| V27 | Rear right window regulator motor |
| V302 | Driver door power latching motor |
| 44 | Earth point, lower part of left A-pillar |
| 82 | Earth connection 1, in front left wiring harness |
| J393 | Convenience system central control unit |
| T2r | 2-pin connector, behind rear left side trim, near wheel arch |
| T2t | 2-pin connector |
| T3e | 3-pin connector |
| T3h | 3-pin connector |
| T3i | 3-pin connector |
| T10a | 10-pin connector, on left B-pillar |
| T10b | 10-pin connector, on right B-pillar |
| T12c | 12-pin connector |
| T16h | 16-pin connector, next to relay plate |
| T20b | 20-pin connector, in front passenger door |
| T20c | 20-pin connector, in driver door |
| V120 | Rear lid lock motor |
| V303 | Front passenger door power latching motor |
| V307 | Rear left power latching motor |
| V308 | Rear right power latching motor |
| A220 | Connection 2 (convenience locking) in dash panel wiring harness |
| A221 | Connection 3 (convenience locking) in dash panel wiring harness |
| W21 | Connection (entry lights/interior lights/central locking), in rear wiring harness |
| W78 | Connection 2 for entry and interior lights and central locking in rear wiring harness |
| F121 | Driver door exterior handle switch for anti-theft alarm system |
| F122 | Front passenger door exterior handle switch for anti-theft alarm system |
| G209 | Anti-theft alarm ultrasonic sensor |
| J393 | Convenience system central control unit |
| T3k | 3-pin connector, on exterior handle switch in driver door, for anti-theft alarm system |
| T3l | 3-pin connector, on exterior handle switch in front passenger door, for anti-theft alarm system |
| T4x | 4-pin connector |
| T12c | 12-pin connector |
| T16d | 16-pin connector, next to relay plate |
| T20b | 20-pin connector, in front passenger door |
| T20c | 20-pin connector, in driver door |
| T23a | 23-pin connector |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A168 | Positive connection 4 (30a) in dash panel wiring harness |
| E22 | Intermittent wiper switch |
| F120 | Anti-theft alarm and vermin repellent system contact switch |
| J393 | Convenience system central control unit |
| T2at | 2-pin connector |
| T4c | 4-pin connector |
| T16a | 16-pin connector |
| T16g | 16-pin connector, behind glove compartment |
| T16i | 16-pin connector, behind glove compartment |
| T23a | 23-pin connector |
| 44 | Earth point, lower part of left A-pillar |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 331 | Earth connection, in injection system wiring harness |
| * | Diagnostic connection |
| *2 | Only models with petrol engine |
| *3 | Up to August 2009 |
| *4 | Up to April 2009 |
| *5 | Only models with diesel engine |
| *6 | Up to December 2008 |
| *7 | Only models with Flex Fuel |
| F2 | Driver door contact switch |
| F3 | Front passenger door contact switch |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| J29 | Blocking diode |
| J393 | Convenience system central control unit |
| T1k | Single connector |
| T1l | Single connector |
| T1q | Single connector |
| T1s | Single connector |
| T4b | 4-pin connector |
| T12c | 12-pin connector |
| T16d | 16-pin connector, next to relay plate |
| T23a | 23-pin connector |
| W1 | Front interior light |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| W22 | Connection (door contact switch), in rear wiring harness |
| W34 | Connection 2 (door contact switch), in rear wiring harness |
| F5 | Luggage compartment light switch |
| J393 | Convenience system central control unit |
| J811 | Blocking diode 2 |
| T1d | Single connector, on rear lid release motor |
| T1e | Single connector, on rear lid release motor |
| T1i | Single connector |
| T1j | Single connector |
| T2w | 2-pin connector, behind rear left side trim, near wheel arch |
| T2x | 2-pin connector, behind rear left side trim, near wheel arch |
| T2z | 2-pin connector, on luggage compartment light switch |
| T16d | 16-pin connector, next to relay plate |
| T23a | 23-pin connector |
| V139 | Rear lid release motor |
| W3 | Luggage compartment light |
| 50 | Earth point, on left in luggage compartment |
| 218 | Earth connection 1, in rear lid wiring harness |
| A100 | Connection 2 (87) in dash panel wiring harness |
| W15 | Connection 1 (luggage compartment light), in rear wiring harness |
| W50 | Connection (rear lid contact switch), in rear wiring harness |
| W85 | Connection (luggage compartment light), in rear lid wiring harness |
| * | Variant |
| *2 | Up to April 2007 |
| E165 | Rear lid release switch |
| F147 | Driver vanity mirror contact switch |
| F148 | Front passenger vanity mirror contact switch |
| L104 | Remote release switch illumination bulb |
| T1n | Single connector |
| T1o | Single connector |
| T1p | Single connector |
| T1t | Single connector |
| T2af | 2-pin connector |
| T2ag | 2-pin connector |
| T2di | 2-pin connector |
| T2dj | 2-pin connector |
| T6d | 6-pin connector |
| T20b | 20-pin connector, in front passenger door |
| W14 | Front passenger side illuminated vanity mirror |
| W20 | Driver side illuminated vanity mirror |
| 44 | Earth point, lower part of left A-pillar |
| 50 | Earth point, on left in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 199 | Earth connection 3, in dash panel wiring harness |
| 206 | Earth connection, in front passenger door wiring harness |
| 213 | Earth connection, in dash panel wiring harness |
| W68 | Positive connection 2 (30a), in rear wiring harness |
| * | Up to February 2008 |
| *2 | From February 2008 |
| *3 | Variant |
| D2 | Immobiliser reader coil |
| E15 | Heated rear window switch |
| J285 | Control unit in dash panel insert |
| J362 | Immobiliser control unit |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K117 | Immobiliser warning lamp |
| R | Radio |
| T1h | Single connector |
| T2dh | 2-pin connector |
| T2h | 2-pin connector, behind rear left side trim, near wheel arch |
| T4f | 4-pin connector |
| T8h | 8-pin connector |
| T16a | 16-pin connector |
| T16b | 16-pin connector, next to relay plate |
| T16c | 16-pin connector, next to relay plate |
| T32a | 32-pin connector |
| Z1 | Heated rear window |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| A82 | Connection (windscreen heater), in dash panel wiring harness |
| A167 | Positive connection 3 (30a) in dash panel wiring harness |
| * | Diagnostic connection |