| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S164 | Fuse 3 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| S268 | Fuse 10 (30) in fuse holder on battery |
| T1j | Single connector |
| T2ak | 2-pin connector, in front engine compartment |
| T2ar | 2-pin connector |
| T6g | 6-pin connector, grey, in left engine compartment |
| T11c | 11-pin connector, green, in left engine compartment |
| 1 | Earth strap, battery - body |
| 49 | Earth point, near battery |
| 507 | Screw connection (30), on fuse holder on battery |
| * | for models with air conditioning system |
| F34 | Brake fluid level warning contact |
| G22 | Speedometer sender |
| G39 | Lambda probe |
| J623 | Engine control unit |
| T2ai | 2-pin connector, on brake fluid level warning contact |
| T3i | 3-pin connector, on speedometer alternator |
| T4q | 4-pin connector, on Lambda probe |
| T14a | 14-pin connector |
| T80b | 80-pin connector, on engine control unit |
| Z19 | Lambda probe heater |
| 12 | Earth point, on left in engine compartment |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 343 | Earth connection (ignition coil), in injection system wiring harness |
| B350 | Positive connection 1 (87a), in main wiring harness |
| * | for models with exhaust concept EU3 + Electronic On Board Diagnostic (EOBD) |
| G79 | Accelerator position sender |
| G130 | Lambda probe after catalytic converter |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit |
| N17 | Cold start valve |
| N80 | Activated charcoal filter system solenoid valve 1 |
| T2ac | 2-pin connector, on cold start valve |
| T2ae | 2-pin connector, on active charcoal filter system solenoid valve 1 |
| T4o | 4-pin connector, on Lambda probe after catalytic converter |
| T6f | 6-pin connector, on accelerator position sender |
| T11b | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T80b | 80-pin connector, on engine control unit |
| Z29 | Lambda probe 1 heater after catalytic converter |
| D183 | Connection 4 (87a), in engine compartment wiring harness |
| * | for models with exhaust concept EU3 + Electronic On Board Diagnostic (EOBD) |
| ** | Total Flex engines |
| G28 | Engine speed sender |
| G186 | Throttle valve drive (electric power control) |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| J623 | Engine control unit |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| T3a | 3-pin connector, on engine speed sender |
| T4a | 4-pin connector, on ignition transformer |
| T6b | 6-pin connector, on throttle valve drive for electric throttle (EPC) |
| T14a | 14-pin connector, in left engine compartment |
| T80b | 80-pin connector, on engine control unit |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch |
| J365 | Air conditioning system switch-off relay |
| J623 | Engine control unit |
| T4l | 4-pin connector, on clutch pedal switch |
| T4m | 4-pin connector, on brake pedal switch |
| T9g | 9-pin connector, on air conditioning system switch-off relay |
| T11a | 11-pin connector, in left engine compartment |
| T11b | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T80b | 80-pin connector, on engine control unit |
| B131 | Connection (54), in interior wiring harness |
| B135 | Connection 1 (15a), in interior wiring harness |
| * | for models with air conditioning system |
| ** | for models with exhaust concept EU3 + Electronic On Board Diagnostic (EOBD) |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G61 | Knock sensor 1 |
| G71 | Intake manifold pressure sender |
| J623 | Engine control unit |
| T2i | 2-pin connector, on knock sensor 1 |
| T3n | 3-pin connector, on Hall sender |
| T4e | 4-pin connector, on intake air temperature sender |
| T80b | 80-pin connector, on engine control unit |
| 216 | Earth connection 2, in Motronic wiring harness |
| E57 | Connection 2, in injection system wiring harness |
| G65 | High pressure sender |
| J104 | ABS control unit |
| J393 | Convenience system central control unit |
| J623 | Engine control unit |
| T3j | 3-pin connector, on high pressure sender |
| T11a | 11-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T23a | 23-pin connector, on convenience system central control unit |
| T42a | 42-pin connector, on ABS control unit |
| T80b | 80-pin connector, on engine control unit |
| B207 | Connection (convenience), in interior wiring harness |
| D109 | Connection 7, in engine compartment wiring harness |
| D191 | Speed sender connection, engine compartment wiring harness |
| * | for models with air conditioning system |
| ** | for models with ABS |
| *** | for models with convenience system |
| # | Total Flex engines |
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2e | 2-pin connector, on injector for cylinder 1 |
| T2f | 2-pin connector, on injector for cylinder 2 |
| T2g | 2-pin connector, on injector for cylinder 3 |
| T2h | 2-pin connector, on injector for cylinder 4 |
| T11c | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T80b | 80-pin connector, on engine control unit |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| E98 | Connection 3 (87a), in injection system wiring harness |
| J101 | Radiator fan 2nd speed relay |
| J209 | Fresh air blower and radiator fan relay |
| J365 | Air conditioning system switch-off relay |
| J623 | Engine control unit |
| T6g | 6-pin connector, in left engine compartment |
| T9c | 9-pin connector, on fresh air blower and radiator fan relay |
| T9d | 9-pin connector, on radiator fan 2nd speed relay |
| T9g | 9-pin connector, on air conditioning system switch-off relay |
| T9k | 9-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T16a | 16-pin connector, self-diagnosis connection |
| T80b | 80-pin connector, on engine control unit |
| B219 | Positive connection 4 (30a), in interior wiring harness |
| * | for models with air conditioning system |
| G2 | Coolant temperature display sender |
| G62 | Coolant temperature sender |
| J17 | Fuel pump relay |
| J301 | Air conditioning system control unit |
| J362 | Immobilizer control unit |
| J623 | Engine control unit |
| T4d | 4-pin connector, on coolant temperature sender |
| T8b | 8-pin connector, on immobilizer control unit |
| T8d | 8-pin connector, behind centre dash panel |
| T8j | 8-pin connector, on air conditioning system control unit |
| T9j | 9-pin connector, on fuel pump relay |
| T11a | 11-pin connector, in left engine compartment |
| T11b | 11-pin connector, in left engine compartment |
| T11d | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T80b | 80-pin connector, on engine control unit |
| * | for models with air conditioning system |
| J41 | Cold start device relay |
| J234 | Airbag control unit |
| J623 | Engine control unit |
| SB30 | Fuse 30 on fuse holder B |
| T9e | 9-pin connector, on cold start device relay |
| T11a | 11-pin connector, in left engine compartment |
| T11b | 11-pin connector, in left engine compartment |
| T12d | 12-pin connector, in left engine compartment |
| T75a | 75-pin connector, on airbag control unit |
| T80b | 80-pin connector, on engine control unit |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B617 | Positive connection 5 (87a), in interior wiring harness |
| * | Total Flex engines |
| N39 | Radiator fan series resistor |
| SB33 | Fuse 33 on fuse holder B |
| SB34 | Fuse 34 on fuse holder B |
| SB44 | Fuse 44 on fuse holder B |
| SB45 | Fuse 45 on fuse holder B |
| T2de | 2-pin connector, on radiator fan |
| T2df | 2-pin connector, on radiator fan |
| T3ae | 3-pin connector, on radiator fan series resistor |
| T6g | 6-pin connector, in left engine compartment |
| T11a | 11-pin connector, in left engine compartment |
| V7 | Radiator fan |
| 209 | Earth connection 6, in engine compartment wiring harness |
| 671 | Earth point 1, on front of left longitudinal member |
| B146 | Positive connection 1 (87), in interior wiring harness |
| * | for models with air conditioning system |
| ** | for models with exhaust concept EU3 + Electronic On Board Diagnostic (EOBD) |
| # | Total Flex engines |
| G65 | High pressure sender |
| J301 | Air conditioning system control unit |
| SB27 | Fuse 27 on fuse holder B |
| SB28 | Fuse 28 on fuse holder B |
| T2ag | 2-pin connector, on fuel pump for cold start |
| T3j | 3-pin connector, on high pressure sender |
| T8d | 8-pin connector, behind centre dash panel |
| T8j | 8-pin connector, on air conditioning system control unit |
| V263 | Fuel pump for cold start |
| 12 | Earth point, on left in engine compartment |
| 201 | Earth connection 5, in engine compartment wiring harness |
| B172 | Positive connection 4 (30), in interior wiring harness |
| B305 | Positive connection 9 (30), in main wiring harness |
| * | for models with air conditioning system |
| # | Total Flex engines |
| J59 | X-contact relief relay |
| J285 | Control unit in dash panel insert |
| J301 | Air conditioning system control unit |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| SB42 | Fuse 42 on fuse holder B |
| T6d | 6-pin connector, on X-contact relief relay |
| T8d | 8-pin connector, behind centre dash panel |
| T8j | 8-pin connector, on air conditioning system control unit |
| T32a | 32-pin connector, on dash panel insert |
| B147 | Positive connection 2 (87), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B610 | Connection 6, in interior wiring harness |
| L76 | Connection (87), in evaporator housing unit wiring harness |
| * | for models with air conditioning system |
| F9 | Handbrake warning switch |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K43 | Coolant temperature warning lamp (too cold) |
| K105 | Reserve fuel warning lamp |
| K118 | Brake system warning lamp |
| T2v | 2-pin connector, on handbrake warning switch |
| T11a | 11-pin connector, in left engine compartment |
| T11c | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T32a | 32-pin connector, on dash panel insert |
| 410 | Earth connection 1 (sender earth), in main wiring harness |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| * | for models with convenience system |
| # | Total Flex engines |
| F22 | Oil pressure switch |
| G1 | Fuel gauge |
| G5 | Rev. counter |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| K121 | Malfunction warning lamp |
| K132 | Electric power control fault lamp |
| T1a | Single pin connector, on oil pressure switch |
| T11c | 11-pin connector, in left engine compartment |
| T14a | 14-pin connector, in left engine compartment |
| T32a | 32-pin connector, on dash panel insert |
| * | for models with air conditioning system |
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