| 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 | Positive connection (B+), in alternator wiring harness |
| P1 | Positive connection (30), in fuse holder on battery |
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| R | Radio |
| S6 | Fuse in relay plate fuse holder |
| T7c | 7-pin connector, on ignition/starter switch |
| T8d | 8-connector, on radio |
| T32a | 32-pin connector, on dash panel insert |
| 33 | Earth point, on right behind dash panel |
| 213 | Earth connection, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A46 | Positive connection (30 - from radio), in dash panel wiring harness |
| R20 | Front left treble loudspeaker |
| R21 | Front left bass loudspeaker |
| R22 | Front right treble loudspeaker |
| R23 | Front right bass loudspeaker |
| T1e | Single pin connector, on front right treble loudspeaker |
| T1f | Single pin connector, on front right treble loudspeaker |
| T1g | Single pin connector, on front left treble loudspeaker |
| T1h | Single pin connector, on front left treble loudspeaker |
| T2m | 2-pin connector, on front right bass loudspeaker |
| T2n | 2-pin connector, on front left bass loudspeaker |
| R61 | Connection (positive, front left loudspeaker), in driver door wiring harness |
| R62 | Connection (negative, front left loudspeaker), in driver door wiring harness |
| R63 | Connection (positive, front right loudspeaker), in front passenger door wiring harness |
| R64 | Connection (negative, front right loudspeaker), in front passenger door 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- | | | | | | | | | |