Vehicle wiring diagrams VW Transporter T4
General information about electrical circuits
Depending on the equipment, up to 1000 m of wires can be laid in the car. If you need to find a fault in the electrical system or install an additional device, you cannot do...
Depending on the equipment, up to 1000 m of wires can be laid in the car. If you need to find a fault in the electrical system or install an additional device, you cannot do...
Letter designation of the most important devices
Letter designation Device, apparatus A Battery IN Starter WITH Generator D Ignition switch E Manual switch F Mechanical switch G Sensor, control devices H Sound signal, two-tone...
Letter designation Device, apparatus A Battery IN Starter WITH Generator D Ignition switch E Manual switch F Mechanical switch G Sensor, control devices H Sound signal, two-tone...
Decoding the colors of the conductors
Decoding the colors of the conductors bl blue br brown de yellow gn green gr grey rt red sw black ws white Conductors connected to each other by separate or multi-contact...
Decoding the colors of the conductors bl blue br brown de yellow gn green gr grey rt red sw black ws white Conductors connected to each other by separate or multi-contact...
Set of fuses and their ratings
The fuse and relay configuration may vary depending on the vehicle's equipment and year of manufacture. The fuse configuration is specified in the operating instructions and on...
The fuse and relay configuration may vary depending on the vehicle's equipment and year of manufacture. The fuse configuration is specified in the operating instructions and on...
Identification of electrical circuits depending on the engine
Due to the large volume, it is impossible to keep track of all the electrical diagrams for each model year. However, you can get your bearings on the current electrical diagram,...
Due to the large volume, it is impossible to keep track of all the electrical diagrams for each model year. However, you can get your bearings on the current electrical diagram,...
Instructions for using the electrical circuit
Attention! All switches and contacts are in a mechanically inoperative position. 1. Terminal designation, 15: When the ignition is on, battery voltage is applied 2. Internal...
Attention! All switches and contacts are in a mechanically inoperative position. 1. Terminal designation, 15: When the ignition is on, battery voltage is applied 2. Internal...
Generator, battery, starter, ignition switch
Generator, battery, starter, ignition switch A. Battery V. Starter S. Generator C1. Voltage regulator D. Ignition switch E19. Parking light switch J59. X-contact unloading relay...
Generator, battery, starter, ignition switch A. Battery V. Starter S. Generator C1. Voltage regulator D. Ignition switch E19. Parking light switch J59. X-contact unloading relay...
Ignition system, injection system control unit Digifant
Ignition system, injection system control unit Digifant F60. Microswitch for neutral position of gearbox G40. Hall sensor 042. Inlet air temperature sensor G62. Coolant...
Ignition system, injection system control unit Digifant F60. Microswitch for neutral position of gearbox G40. Hall sensor 042. Inlet air temperature sensor G62. Coolant...
Digifant fuel injection control unit, self-diagnostic unit
Digifant fuel injection control unit, self-diagnostic unit G69. Electromagnetic relay with potentiometer (00518-2212) J169. Digifant fuel injection system control unit J176....
Digifant fuel injection control unit, self-diagnostic unit G69. Electromagnetic relay with potentiometer (00518-2212) J169. Digifant fuel injection system control unit J176....
Digifant Fuel Injection System Control Unit
Digifant Fuel Injection System Control Unit F88. Power steering switch G. Fuel level sensor G23. Fuel pump with fuel supply sensor G39. Lambda probe (00525-2342) J17. Fuel pump...
Digifant Fuel Injection System Control Unit F88. Power steering switch G. Fuel level sensor G23. Fuel pump with fuel supply sensor G39. Lambda probe (00525-2342) J17. Fuel pump...
Instrument cluster: control instruments
Instrument cluster: control instruments F1. Oil pressure sensor F22. Oil pressure sensor (0.3 bar) F95. Cooling system thermal switch G1. Fuel level indicator G2. Coolant...
Instrument cluster: control instruments F1. Oil pressure sensor F22. Oil pressure sensor (0.3 bar) F95. Cooling system thermal switch G1. Fuel level indicator G2. Coolant...
Instrument cluster: speedometer, turn signal and brake lights
Instrument cluster: speedometer, turn signal and brake lights E2. Direction indicator switch E20. Adjusting the backlight of the instrument panel and switches G54. Speedometer J6....
Instrument cluster: speedometer, turn signal and brake lights E2. Direction indicator switch E20. Adjusting the backlight of the instrument panel and switches G54. Speedometer J6....
Instrument cluster: tachometer, brake system sensor
Instrument cluster: tachometer, brake system sensor E4. Low beam headlight and warning light switch G5. Tachometer J285. Control unit for warning lamps K1. Headlight indicator...
Instrument cluster: tachometer, brake system sensor E4. Low beam headlight and warning light switch G5. Tachometer J285. Control unit for warning lamps K1. Headlight indicator...
Fan (150W, 250W) and additional cooling system pump
Fan (150W, 250W) and an additional cooling system pump F9. Handbrake indicator lamp switch F18. Cooling system fan thermal switch F34. Brake fluid emergency drop contact sensor...
Fan (150W, 250W) and an additional cooling system pump F9. Handbrake indicator lamp switch F18. Cooling system fan thermal switch F34. Brake fluid emergency drop contact sensor...
Connecting the radio, cigarette lighter and underhood lamp
Connecting the radio, cigarette lighter and underhood lamp F9. Handbrake switch F34. Brake fluid emergency drop contact sensor L28. Cigarette lighter illumination lamp R. Radio...
Connecting the radio, cigarette lighter and underhood lamp F9. Handbrake switch F34. Brake fluid emergency drop contact sensor L28. Cigarette lighter illumination lamp R. Radio...
Interior lighting
Interior lighting F2. Left door limit switch F3. Right door limit switch F7. Sliding door limit switch F160. Rear door limit switch T1e. Single-pin connector on the rear of the...
Interior lighting F2. Left door limit switch F3. Right door limit switch F7. Sliding door limit switch F160. Rear door limit switch T1e. Single-pin connector on the rear of the...
Headlights Wiring Diagram
Headlights L1. Left headlight dual filament bulb L2. Right headlight double filament bulb M1. Parking light bulb, left MZ. Parking light bulb, right 119. Ground connection point...
Headlights L1. Left headlight dual filament bulb L2. Right headlight double filament bulb M1. Parking light bulb, left MZ. Parking light bulb, right 119. Ground connection point...
Headlight adjustment system
Headlight adjustment system E4. Low beam headlight and warning light switch E102. Headlight adjustment resistance L54. Headlight adjustment illumination lamp T2q. Two-pin...
Headlight adjustment system E4. Low beam headlight and warning light switch E102. Headlight adjustment resistance L54. Headlight adjustment illumination lamp T2q. Two-pin...
Turn signal, hazard warning, parking light switches
Turn signal, hazard warning, parking light switches E2. Direction indicator switch E3. Hazard warning switch E19. Parking light switch J2. Emergency signaling relay-interrupter...
Turn signal, hazard warning, parking light switches E2. Direction indicator switch E3. Hazard warning switch E19. Parking light switch J2. Emergency signaling relay-interrupter...
Direction indicators, rear lights
Direction indicators, rear lights F. Brake light switch M2. Left side light bulb M4. Right side light bulb M5. Direction indicator lamp, front left M6. Direction indicator lamp,...
Direction indicators, rear lights F. Brake light switch M2. Left side light bulb M4. Right side light bulb M5. Direction indicator lamp, front left M6. Direction indicator lamp,...
Light switch, number plate light
Light switch, number plate light E1. Light switch E20. Adjusting the backlight of the instrument panel and switches K4. Parking light indicator lamp L9. Light switch illumination...
Light switch, number plate light E1. Light switch E20. Adjusting the backlight of the instrument panel and switches K4. Parking light indicator lamp L9. Light switch illumination...
Fog lights, reversing lights
Fog lights, reversing lights E23. Fog light switch F4. Reverse light switch J5. Fog light relay K13. Fog light indicator lamp L20. Fog light bulb L22. Left fog lamp bulb L23....
Fog lights, reversing lights E23. Fog light switch F4. Reverse light switch J5. Fog light relay K13. Fog light indicator lamp L20. Fog light bulb L22. Left fog lamp bulb L23....
Fans for cooling systems (150, 250W), heating and ventilation
Fans for cooling systems (150, 250W), heating and ventilation E9. Fan switch F18. Cooling system fan thermal switch L16. Ventilation and heating system control illumination lamp...
Fans for cooling systems (150, 250W), heating and ventilation E9. Fan switch F18. Cooling system fan thermal switch L16. Ventilation and heating system control illumination lamp...
Rear window heating and sound signal
Rear window heating and sound signal E15. Rear window heating switch H1. Sound signal J4. Horn relay K10. Rear window heating indicator lamp L39. Rear window heating switch...
Rear window heating and sound signal E15. Rear window heating switch H1. Sound signal J4. Horn relay K10. Rear window heating indicator lamp L39. Rear window heating switch...
Windshield wiper and washer
Windshield wiper and washer E22. Windscreen wiper and washer switch H. Horn switch J31. Windscreen washer and wiper relay T4b. Four-pin connector under the steering wheel switch...
Windshield wiper and washer E22. Windscreen wiper and washer switch H. Horn switch J31. Windscreen washer and wiper relay T4b. Four-pin connector under the steering wheel switch...
Rear window wiper and washer
Rear window wiper and washer J30. Rear window wiper and washer relay T2k. Two-pin connector for the right rear light T2I. Two-pin connector behind the engine compartment wall, on...
Rear window wiper and washer J30. Rear window wiper and washer relay T2k. Two-pin connector for the right rear light T2I. Two-pin connector behind the engine compartment wall, on...
Diesel: preheating system, fuel shut-off valve
Diesel: preheating system, fuel shut-off valve G. Fuel level indicator sensor G27. Engine temperature sensor J52. Glow plug relay N109. Fuel cut-off solenoid valve Q6. Glow plugs...
Diesel: preheating system, fuel shut-off valve G. Fuel level indicator sensor G27. Engine temperature sensor J52. Glow plug relay N109. Fuel cut-off solenoid valve Q6. Glow plugs...
Diesel: instrument panel, control lamps
Diesel: instrument panel, control lamps F1. Oil pressure sensor F22. Oil pressure sensor (0.3 bar) F95. Cooling system thermal switch G1. Fuel level indicator G2. Coolant...
Diesel: instrument panel, control lamps F1. Oil pressure sensor F22. Oil pressure sensor (0.3 bar) F95. Cooling system thermal switch G1. Fuel level indicator G2. Coolant...
Diesel: instrument cluster, tachometer, indicator lights
Diesel: instrument cluster, tachometer, indicator lights G5. Tachometer J6. Voltage stabilizer J285. Control unit for warning lamps K1. Headlight indicator lamp K2. Generator...
Diesel: instrument cluster, tachometer, indicator lights G5. Tachometer J6. Voltage stabilizer J285. Control unit for warning lamps K1. Headlight indicator lamp K2. Generator...
Diesel: radio, cigarette lighter and underhood lamp
Diesel: radio, cigarette lighter and underhood lamp F9. Handbrake switch F34. Brake fluid emergency drop contact sensor L28. Cigarette lighter illumination lamp R. Radio receiver...
Diesel: radio, cigarette lighter and underhood lamp F9. Handbrake switch F34. Brake fluid emergency drop contact sensor L28. Cigarette lighter illumination lamp R. Radio receiver...
Diesel: fog lights, reversing lights
Except for vehicles with a cargo platform E23. Fog light switch F4. Reverse light switch K13. Fog light indicator lamp L20. Fog light bulb L40. Fog light and side light switch...
Except for vehicles with a cargo platform E23. Fog light switch F4. Reverse light switch K13. Fog light indicator lamp L20. Fog light bulb L40. Fog light and side light switch...
Diesel: heating fan, additional cooling pump
Diesel: heating fan, additional cooling pump E9. Fan switch L16. Ventilation and heating system control illumination lamp N₂3. Additional resistances for the ventilation system...
Diesel: heating fan, additional cooling pump E9. Fan switch L16. Ventilation and heating system control illumination lamp N₂3. Additional resistances for the ventilation system...
Diesel: cooling system fans (2x350W)
Diesel: cooling system fans (2x350W) F18. Cooling system fan thermal switch J286. Relay for sequential and simultaneous switching of electric motors of cooling system fans S42....
Diesel: cooling system fans (2x350W) F18. Cooling system fan thermal switch J286. Relay for sequential and simultaneous switching of electric motors of cooling system fans S42....
Diesel (ABL): exhaust gas aftertreatment system
Diesel (ABL): exhaust gas aftertreatment system F2. Limit switch front left F166. Exhaust gas neutralization system switch F188. Exhaust gas neutralization system valve switch...
Diesel (ABL): exhaust gas aftertreatment system F2. Limit switch front left F166. Exhaust gas neutralization system switch F188. Exhaust gas neutralization system valve switch...
Diesel (ABL): glow plugs, additional cooling pump
Diesel (ABL): glow plugs, additional cooling pump F95. Cooling system thermal switch G. Fuel level indicator G2. Coolant temperature sensor Q6. Glow plugs S39. Glow plug fuse T1c....
Diesel (ABL): glow plugs, additional cooling pump F95. Cooling system thermal switch G. Fuel level indicator G2. Coolant temperature sensor Q6. Glow plugs S39. Glow plug fuse T1c....
Diesel (ABB): preheating system, fuel cut-off
Diesel (ABB): preheating system, fuel cut-off G. Fuel level indicator G27. Engine temperature sensor J52. Glow plug relay K29. Pre-heating indicator lamp N109. Fuel cut-off...
Diesel (ABB): preheating system, fuel cut-off G. Fuel level indicator G27. Engine temperature sensor J52. Glow plug relay K29. Pre-heating indicator lamp N109. Fuel cut-off...
Diesel (ABB): additional cooling pump
Diesel (ABB): additional cooling pump F95. Cooling system thermal switch G2. Cooling system temperature gauge sensor G3. Cooling system temperature gauge J235. Additional coolant...
Diesel (ABB): additional cooling pump F95. Cooling system thermal switch G2. Cooling system temperature gauge sensor G3. Cooling system temperature gauge J235. Additional coolant...
Central door locking system
Central door locking system F7. Limit switch rear right (sliding door) F59. Central door locking system switch (in the driver's seat) F114. Central door locking system switch (in...
Central door locking system F7. Limit switch rear right (sliding door) F59. Central door locking system switch (in the driver's seat) F114. Central door locking system switch (in...
Rear door lock motors
Rear door lock motors T2a. Two-pin connector on the rear pillar, top right T2b. Two-pin connector on the rear pillar, top right TZe. Three-pin connector in the rear door...
Rear door lock motors T2a. Two-pin connector on the rear pillar, top right T2b. Two-pin connector on the rear pillar, top right TZe. Three-pin connector in the rear door...
Connection of additional battery since November 1990
Connection of additional battery since November 1990. A. Battery A1. Additional battery under the driver's seat J7. Additional battery connection relay – – – Electrical...
Connection of additional battery since November 1990. A. Battery A1. Additional battery under the driver's seat J7. Additional battery connection relay – – – Electrical...
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Transporter T4
Transporter T3
- General information
- User manual
- Maintenance
- Power unit
- Engine repair
- Ignition system
- Lubrication system
- Cooling system
- Fuel system (petrol)
- Fuel system (diesel)
- Injection system (petrol)
- Exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Car suspension
- Steering
- Brake system
- Wheels and tires
- Body
- Exterior
- Interior
- Doors and windows
- Heating system
- Electrical equipment
- Equipment and devices
- Lighting and signaling
- Power devices
- Electrical circuits
- General information
- Maintenance
- Petrol engines
- Engine repair
- Lubrication system
- Cooling system
- Power and exhaust system
- Carburetor 34 PICT
- Carburetors 2E3 and 2E4
- Fuel injection system
- Ignition system
- Diesel engines
- Engine repair
- Lubrication system
- Cooling system
- Power and exhaust system
- Transmission
- Clutch
- Car gearbox
- Chassis
- Front suspension
- Rear suspension
- Steering
- Brake system
- Body
- Body and interior elements
- Doors, locks and windows
- Electrical equipment
- Lighting system
- Equipment and devices
- Power devices (diesel)
- Power devices (petrol)
- Wiring diagrams (diesel)
- Wiring diagrams (petrol)