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Wiring Diagram VW CADDY 2002 - Battery - starter - alternator - voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J362 | Immobilizer control unit |
| SA4 | Fuse -4- on battery fuse box |
| SA5 | Fuse -5- on battery fuse box |
| T5d | 5-pin connector, black, in engine compartment, near gearbox |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 30 | Earth point -1-, next to relay plate |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
| D97 | Connection (50), in engine compartment wiring harness, right |
Wiring Diagram VW CADDY 2002 - Motronic control unit - ignition transformer -engine speed sender - hall sender
| G28 | Engine speed sender |
| G40 | Hall sender |
| J220 | Motronic control unit |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| 10 | Earth point, in plenum chamber |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 241 | Earth connection -2-, engine earth, in engine wiring harness |
| D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - Motronic control unit - coolant temperature sender - intake air temperature sender - exhaust gas recirculation frequency valve
| G2 | Coolant temperature sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G71 | Intake manifold pressure sender |
| J220 | Motronic control unit |
| N121 | Exhaust gas recirculation frequency valve |
| T14 | 14-pin connector, black, in engine compartment |
| T14a | 14-pin connector, brown, in engine compartment |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| * | Only engine codes ANW |
Wiring Diagram VW CADDY 2002 - Motronic control unit - throttle valve control unit - knock sensor I
| G61 | Knock sensor I |
| G186 | Throttle valve drive (electric throttle operation) |
| G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
| G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
| J220 | Motronic control unit |
| J338 | Throttle valve control unit |
| T14 | 14-pin connector, black, in engine compartment |
| T14a | 14-pin connector, brown, in engine compartment |
| * | Only engine codes ANW |
Wiring Diagram VW CADDY 2002 - Motronic control unit - accelerator pedal position sender
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| J362 | Immobilizer control unit |
| * | Only models with air conditioner |
Wiring Diagram VW CADDY 2002 - Motronic control unit - lambda probe - injectors
| G39 | Lambda probe |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T14 | 14-pin connector, black, in engine compartment |
| T14a | 14-pin connector, brown, in engine compartment |
| Z19 | Lambda probe heater |
| D80 | Positive (+) connection (87a - for active. charcoal filter system solenoid), in engine compartment wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E9 | Positive (+) connection -2- (15), in Motronic wiring harness |
Wiring Diagram VW CADDY 2002 - Motronic control unit - fuel pump relay - lambda probe downstream of catalytic converter - activated charcoal filter system solenoid valve 1 (pulsed) - brake light switch
| F | Brake light switch |
| F47 | Cruise control system brake pedal switch (diesel direct injection system) |
| G130 | Lambda probe downstream of catalytic converter |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| J362 | Immobilizer control unit |
| M21 | Brake and tail light bulb, left |
| M22 | Brake and tail light bulb, right |
| M25 | High level brake light bulb |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| TV2 | Terminal 30 junction box |
| Z19 | Lambda probe heater |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| D75 | Positive (+) connection -2- (30), in engine compartment wiring harness |
| D80 | Positive (+) connection (87a - for active. charcoal filter system solenoid), in engine compartment wiring harness |
| * | Only engine codes ANW |
Wiring Diagram VW CADDY 2002 - Fuel gauge sender - fuel pump (pre–supply pump) - speedometer sender (hall sender - on gearbox) - oil pressure switch
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| T14 | 14-pin connector, black, in engine compartment |
| 10 | Earth point, in plenum chamber |
Wiring Diagram VW CADDY 2002 - Dash panel insert
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| T8 | 8-pin connector, black, behind dash panel, left |
| * | Only engine codes ANW |