Wiring Diagram VW CADDY 2002 - Battery - starter - alternator - voltage regulator - fuse box / battery
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| SA1 | Fuse -1- on battery fuse box |
| SA2 | Fuse -2- on battery fuse box |
| SA3 | Fuse -3- on battery fuse box |
| SA4 | Fuse -4- on battery fuse box |
| SA5 | Fuse -5- on battery fuse box |
| SA6 | Fuse -6- on battery fuse box |
| SA7 | Fuse -7- on battery fuse box |
| SA8 | Fuse -8- on battery fuse box |
| T3a | 3-pin connector, in protective sleeve on battery box |
| T5d | 5-pin connector, black, in engine compartment, near gearbox |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 12 | Earth point, in engine compartment, left |
| 30 | Earth point -1-, next to relay plate |
| D50 | Positive (+) connection (30), in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - voltage supply - ignition transformer
| J537 | 4LV control unit (injection system) |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Spark plugs |
| T80 | 80-pin connector |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - accelerator pedal position senders - throttle valve control unit
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| 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) |
| J338 | Throttle valve control unit |
| J537 | 4LV control unit (injection system) |
| T6d | 6-pin connector, near accelerator pedal position sender |
| T14 | 14-pin connector, in engine compartment |
| T14a | 14-pin connector, in engine compartment |
| T80 | 80-pin connector |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - coolant temperature sender - intake manifold pressure sender - intake air temperature sender - Hall sender
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G71 | Intake manifold pressure sender |
| J537 | 4LV control unit (injection system) |
| T14 | 14-pin connector, in engine compartment |
| T80 | 80-pin connector |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - engine speed sender - knock sensor I - exhaust gas recirculation frequency valve - exhaust gas recirculation potentiometer
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G212 | Exhaust gas recirculation potentiometer |
| J537 | 4LV control unit (injection system) |
| N121 | Exhaust gas recirculation frequency valve |
| T14 | 14-pin connector, in engine compartment |
| T14a | 14-pin connector, in engine compartment |
| T80 | 80-pin connector |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - injectors - immobilizer control unit - diagnostic connector
| J362 | Immobilizer control unit |
| J537 | 4LV control unit (injection system) |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| S15 | Fuse in fuse box/relay plate |
| T2c | 2-pin connector, K-wire coupling |
| T10 | 10-pin connector |
| T14 | 14-pin connector, in engine compartment |
| T14a | 14-pin connector, in engine compartment |
| T16 | 16-pin connector, diagnostic connector |
| T80 | 80-pin connector |
| 30 | Earth point -1-, next to relay plate |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E31 | Connection (15), in engine wiring harness |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1
| G39 | Lambda probe |
| G130 | Lambda probe after catalyst |
| J293 | Radiator fan control unit |
| J537 | 4LV control unit (injection system) |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| T4b | 4-pin connector, near lambda probe |
| T6e | 6-pin connector, near lambda probe |
| T14b | 14-pin connector, on radiator fan control unit |
| T80 | 80-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, after catalyst |
| D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
| D102 | Connection -2-, in engine compartment wiring harness |
| * | Only models with air conditioner |
Wiring Diagram VW CADDY 2002 - 4LV control unit (injection system) - brake light switch - clutch pedal switch - brake pedal switch - fuel pump relay
| F | Brake light switch |
| F63 | Brake pedal switch |
| J17 | Fuel pump relay |
| J537 | 4LV control unit (injection system) |
| M21 | Brake and tail light bulb, left |
| M22 | Brake and tail light bulb, right |
| M25 | High level brake light bulb |
| S20 | Fuse in fuse box/relay plate |
| T80 | 80-pin connector |
| TV2 | Terminal 30 junction box |
| D73 | Positive (+) connection (54), in engine compartment wiring harness |
| D80 | Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - Fuel gauge sender - fuel pump (pre–supply pump) - speedometer sender - radiator fan thermo–switches - radiator fan - oil pressure switch (0.3 bar)
| F18 | Radiator fan thermo-switch |
| F22 | Oil pressure switch (0.3 bar) |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| S18 | Fuse in fuse box/relay plate |
| T3f | 3-pin connector |
| T14 | 14-pin connector, black, in engine compartment |
| V7 | Radiator fan |
| 44 | Earth point, lower part of left A-pillar |
| 201 | Earth connection -5-, in engine compartment wiring harness |
Wiring Diagram VW CADDY 2002 - Control unit with display in dash panel insert - fuel gauge - coolant temperature gauge - speedometer - oil pressure warning lamp - alternator warning lamp
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G21 | Speedometer |
| 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 |
| T28 | 28-pin connector |
| Y4 | Odometer display |
Wiring Diagram VW CADDY 2002 - Control unit with display in dash panel insert
| J285 | Control unit with display in dash panel insert |
| T4 | 4-pin connector, behind dash panel, left |
| T28a | 28-pin connector, on dash panel insert |
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