| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| T2o | 2-pin connector, near battery |
| T2p | 2-pin connector, on alternator |
| T6i | 6-pin connector, behind the left trim in front dash panel |
| 1 | Earth strap, battery - body |
| 49 | Earth point, near battery |
| 500 | Screw connection 1 (30), on relay plate |
| 501 | Screw connection 2 (30), on relay plate |
| D26 | Connection (B+), in alternator wiring harness |
| P1 | Positive connection (30), in fuse holder on battery |
| E1 | Light switch |
| L9 | Light switch illumination bulb |
| S21 | Fuse in relay plate fuse holder |
| T16a | 16-pin connector, behind driver storage compartment |
| T17a | 17-pin connector, on light switch |
| 44 | Earth point, lower part of left A-pillar |
| 81 | Earth connection 1, in dash panel wiring harness |
| A9 | Positive connection (56b), in instrument panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| E2 | Turn signal switch |
| E3 | Hazard warning light switch |
| E4 | Headlight dipper/flasher switch |
| M7 | Front right turn signal bulb |
| T2ar | 2-pin connector, on the front right turn signal bulb |
| T5c | 5-pin connector, on headlight dipper/flasher switch |
| T6g | 6-pin connector, behind the dash panel near relay plate |
| T6h | 6-pin connector, behind the left trim in front dash panel |
| T7b | 7-pin connector, on turn signal switch |
| T8e | 8-connector, on hazard warning light switch |
| A1 | Positive connection (30a), in dash panel wiring harness |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A157 | Connection (49a), in dash panel wiring harness |
| L1 | Left headlight twin filament bulb/left sealed beam insert |
| L2 | Right headlight twin filament bulb/right sealed beam insert |
| M2 | Right tail light bulb |
| M4 | Left tail light bulb |
| M5 | Front left turn signal bulb |
| S2 | Fuse in relay plate fuse holder |
| S5 | Fuse in relay plate fuse holder |
| S7 | Fuse in relay plate fuse holder |
| S15 | Fuse in relay plate fuse holder |
| S16 | Fuse in relay plate fuse holder |
| S20 | Fuse in relay plate fuse holder |
| T2ap | 2-pin connector, on the front left turn signal bulb |
| T2cf | 2-pin connector, on right tail light bulb |
| T2cg | 2-pin connector, on left tail light bulb |
| T3f | 3-pin connector, on left headlight twin filament bulb/left sealed beam insert |
| T3g | 3-pin connector, on right headlight twin filament bulb/right sealed beam insert |
| T6h | 6-pin connector, behind the left trim in front dash panel |
| 108 | Earth connection 2, in front left wiring harness |
| L28 | Cigarette lighter illumination bulb |
| L42 | Socket illumination bulb |
| M6 | Rear left turn signal bulb |
| M21 | Left brake and tail light bulb |
| S19 | Fuse in relay plate fuse holder |
| S25 | Hot air blower single fuse |
| T1m | Single pin connector, on cigarette lighter illumination bulb |
| T1n | Single pin connector, on socket illumination bulb |
| T2aj | 2-pin connector, on cigarette lighter |
| T2ak | 2-pin connector, on 12 V socket |
| T5j | 5-pin connector, on left tail light bulb |
| T6e | 6-pin connector, behind the dash panel near relay plate |
| T6g | 6-pin connector, behind the dash panel near relay plate |
| U1 | Cigarette lighter |
| U5 | 12 V socket |
| 33 | Earth point, on right behind dash panel |
| 199 | Earth connection 3, in dash panel wiring harness |
| 260 | Earth connection, in tail lights wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| T2br | 2-pin connector, on number plate light |
| T2bs | 2-pin connector, on number plate light |
| T2bt | 2-pin connector, behind side trim on rear left, near wheel housing |
| T32a | 32-pin connector, on dash panel insert |
| X | Number plate light |
| 52 | Earth point, on left in rear lid |
| 98 | Earth connection, in rear lid wiring harness |
| W2 | Positive connection (58), in rear wiring harness |
| F | Brake light switch |
| M8 | Rear right turn signal bulb |
| M22 | Right brake and tail light bulb |
| T5i | 5-pin connector, on right tail light bulb |
| T6g | 6-pin connector, behind the dash panel near relay plate |
| 51 | Earth point, in luggage compartment |
| 86 | Earth connection 1, in rear wiring harness |
| 308 | Earth connection 2, in tail lights wiring harness |
| 626 | Earth point, right tail light |
| A18 | Connection (54), in dash panel wiring harness |
| W1 | Positive connection 1 (54), in rear wiring harness |
| Designation of connector: | | A - | ABS control unit -J104- | | B - | 31-pin connector, on ABS control unit -T31a- |
| Airbag control unit -J234- | | | | | Designation of connector: | | A - | Airbag control unit -J234- | | B - | 75-pin connector, on ABS control unit -T75a- |
| Control unit with display in dash panel insert -J285- | | | | | Designation of connector: | | A - | Control unit with display in dash panel insert -J285- | | B - | 32-pin connector, on control unit with display in dash panel insert -T32a- | | 8 - | Coolant temperature sender | | 20 - | Immobilizer control unit | | 29 - | Brake system monitoring | | B - | 32-pin connector, on control unit with display in dash panel insert -T32a- | Note | for models with 1.0 l Flex engine, 1.0 l and 1.4 l petrol engines only, from March 2008 | | 4 - | Terminal CAN-Bus high | | 14 - | Brake system monitoring | | 15 - | Immobilizer control unit | | 16 - | Immobilizer control unit |
| Control unit with display in dash panel insert -J285- | Note | for models Generation IV with dash panel Generation III only | | | | | Designation of connector: | | A - | Control unit with display in dash panel insert -J285- | | B - | 32-pin connector, on control unit in dash panel insert -T32a- | | 8 - | Coolant temperature sender | | 16 - | Immobilizer control unit | | 22 - | Coolant shortage indicator sender | | 29 - | Brake system monitoring |
| Convenience system central control unit -J393- | | | | | Designation of connector: | | A - | Convenience system central control unit -J393- | | B - | 12-pin connector, on convenience system central control unit -T12c- | | C - | 23-pin connector, on convenience system central control unit -T23a- | | D - | 12-pin connector, on convenience system central control unit -T12b- |
| Engine control unit -J623- | | | | | Designation of connector: | | A - | Engine control unit -J623- | | B/C - | 80-pin connector, on engine control unit -T80a- |
| Air conditioning system control unit -J301- | | | | | Designation of connector: | | A - | Air conditioning system control unit -J301- | | B - | 5-pin connector, on air conditioning system control unit -T5d- | | C - | 7-pin connector, on heater control unit -T7d- |
| Immobilizer control unit -J362- | | | | | Designation of connector: | | A - | Immobilizer control unit -J362- | | B - | 8-pin connector, on immobilizer control unit -T8g- | | C - | 2-pin connector, on immobilizer control unit -T2bp- |
| Alarm system control unit -J85- | | | | | Designation of connector: | | A - | Alarm system control unit -J85- | | B - | 22-pin connector, on alarm system control unit -T22a- |
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