Table of Contents
The 4th generation Volkswagen Caddy was produced from 2015 to 2020. Although, this light commercial minivan is essentially a deep restyling of the 3rd generation of the model. In this material, we will understand in detail the fuse box diagrams of VW Caddy IV (fourth generation; body brand SA; platform PQ35) 2015, 2016, 2017, 2018, 2019, 2020 model years.
Here you will find the location and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.
In the passenger compartment
The fuse box is located on the driver's side behind the dashboard.
General view.
| Diagram | ||
|---|---|---|
|
||
| № | Description | Amps |
| 1-8 | Empty | - |
| 9 | 10-pin connector, pin 4 (interface for special functions) | 10A |
| 10 | Diagnostic data bus interface. Engine control unit. Starter relay 1. Starter relay 2. | 5A |
| 11 | Parking assist control unit unit. Power steering control unit. | 5A |
| 12 | Taximeter. Taximeter mirror. | 5A |
| 12 | Connector for 8 pins, pin 8; Connector for 28 pins, pin 20 | 20A |
| 13 | Headlamp range - adjustment. Button for switching off ASR and electronic stability control. Selector lever. Tyre pressure indicator button. Start/stop button. ABS control unit. Trailer detection control unit. ACC control unit. Four-wheel drive control unit. Power steering control unit. DSG gearbox mechatronic control unit. Inverter with 12 V/230 V socket. Range control motor for left headlamp. Right headlamp range control motor. | 7.5A |
| 14 | Reverse light switch. Mass air flow sensor. Auxiliary heater switch. Control unit in the instrument cluster. Crankcase ventilation heating resistor. Diagnostic connector. 1-pole connector, pin sixteen | 10A |
| 15 | Airbag control unit. Front passenger airbag deactivation indicator. | 5A |
| 16 | Lighting switch. Heating and mode selection switch. High pressure sensor. Atmospheric pollution sensor sensor. Oil temperature and oil level sensor. Light sensor. High beam assistant control unit. Front driver assistance camera. Anti-glare interior mirror. | 5A |
| 18 | 10-pin connector, pin 6 (interface for special functions) | 10A |
| 19 | Taximeter. Taximeter mirror. Radio. Printer. | 10A |
| 19 | 10-pin connector, pin 7 (interface for special functions). | 10A |
| 20 | Volkswagen Caddy cigarette lighter fuse. 12 V connector, in the load compartment. | 20A |
| 21 | Heating and mode selection operation. Selector lever. Rear window heater relay. Rear window heater relay relay. Climatronic control unit. Air conditioning control unit. Emergency data recorder. (except special equipment for the police). Reducing agent dosing system relay. Dual-band signal amplifier for mobile phone. Radio signal receiver for auxiliary water heater. Bluetooth mobile phone antenna. 6-pin connector, 2-pin connector (for special police equipment only). Diagnostic connector. 16-pin connector, pin 16 | 10A |
| 21 | Lighting switch. Heating and heating selector switch. Selector switch. Ambient light switch at rear of bonnet (Camper). Illumination 1 in the tailgate. Illumination 2 in the tailgate. Rain and light sensor. Rear window heater relay. Climatronic control unit. Air conditioning control unit. Horn relay. Emergency data recorder. (except special equipment for the police). Reducing agent. Dosing system relay. 16-pole diagnostic connector, pin 16. Rear interior light (Camper). Illumination 1 in the rear of the bonnet. Illumination 2 in the rear of the bonnet. Rear reversing camera. | 10A |
| 22 | On-board network control unit. Lighting in the passenger compartment. Light in boot. Glove compartment light. Centre cabin light. Rear interior light. Lighting 1 in the tailgate (special equipment). Backlight 2 in tailgate (special equipment). Boot light 2 (special equipment). Front left reading light. Front right reading light. Rear left reading lamp 2. Rear right reading light 2. On-board network control unit. Left fog lamp bulb. Right fog lamp bulb. | 10A |
| 23 | [Special vehicles] Taxi - interior light switch. Taxi signal switch. 10-pin connector, pin 1 (interface for special functions). | 5A |
| 23 | [Special vehicles] Direction indicator relay. | 10A |
| 24 | Interior monitoring sensor. Vehicle tilt sensor. Anti-theft alarm sensor. Alarm signal. On-board network control unit | 5A |
| 25 | Instrument panel. Control unit in the instrument cluster. | 5A |
| 26 | Button for emergency data recorder (without special police equipment); Emergency data recorder (without special police equipment) | 10A |
| 29 | Rear windscreen wiper motor. | 15A |
| 31 | Heater operating mode switch. Heating resistor for the left windscreen washer nozzle. Heating resistor for the right windscreen washer nozzle. | 5A |
| 33 | Auxiliary heater switch (cars with auxiliary heater, without R1234yf refrigerant); Heating mode switch. Air conditioner control unit. Auxiliary heater switch relay (cars with auxiliary heater, with R1234yf refrigerant); Fresh air fan cut-off relay. Heating mode switch. Air conditioner control unit. Outside air fan isolation relay (vehicles without auxiliary heater, with R1234yf refrigerant); Air conditioner control unit. | 40A |
| 39 | 4-pin connector, pin 1 [special vehicles]. | 30A |
| 40 | Trailer detection control unit. | 20A |
| 41 | Trailer detection control unit. | 20A |
| 42 | Trailer detection control unit. | 20A |
| 43 | Fuel pump relay (VW Caddy petrol pump fuse). Fuel pump. High pressure fuel supply relay. Additional fuel pump. Electric fuel pump relay 2. | 15A |
| 43 | [Euro 6 diesel engine] - Fuel pump relay. Electric fuel pump relay 2. Fuel pump. | 20A |
| 44 | Fresh air blower control unit. Fresh air blower. | 40A |
| 45 | Headlamp washer relay. Headlamp washer pump. | 20A |
| 46 | Driver's door control unit. (models without power windows), left-hand drive vehicles / Passenger door control unit. models without power windows), right-hand drive vehicles. | 10A |
| 46 | Driver's door control unit (power window models), left-hand drive vehicles / Passenger door control unit (power window models), right-hand drive vehicles | 30A |
| 47 | X relay relief contact, fuse box C in the passenger compartment. | 40A |
| 48 | Front seat heating control unit. | 30A |
| 49 | Driver's door control unit (models without power windows), right-hand drive vehicles / Passenger's door control unit (models without power windows), left-hand drive vehicles | 10A |
| 49 | Driver's door control unit (power window models), right-hand drive vehicles / Passenger door control unit (power window models), left-hand drive vehicles. | 30A |
| 50 | On-board network control unit. Windscreen washer pump. Rear windscreen wiper motor. Windscreen and rear window washer pump. | 20A |
| 51 | Trailer power relay. TCU connector. | 15A |
| 51 | 10-pin connector, pin 4 / 10-pin connector, pin 5 [special vehicles]. | 30A |
| 52 | Rear window defroster relay. Rear window defroster resistor. Rear window defroster resistor for the left-hand swing door. Rear window defroster resistor for right swing door. Fresh air fan relay (cars with auxiliary heater). Ballast resistor for fresh air fan with overheating protection. Fresh air blower. | 25A |
| 53 | 12V socket - rear in centre console; 12 V socket in left rear side panel. | 20A |
| 54 | Relay 1 for switching on the roof fan. [special vehicles]. | 15A |
| 55 | 8-pin connector, pin 4 [special cars]. | 15A |
| 56 | Inverter with socket, 12V/230V. | 30A |
| 59 | Radio switch. Engine boost switch. Daytime running lights switch. Emergency data logger. | 5A |
| 60 | 3-pin connector, pin 1 [special vehicles]. | 30A |
In the engine compartment
The fuse box is located behind the protective cover on the right side of the underhood.
General view.
| Diagram | ||
|---|---|---|
|
||
| № | Description | Amps |
| 1 | Gearbox heating control unit | 30A |
| 3 | Battery monitoring control unit, board power control unit | 5A |
| 4 | ABS control unit, ABS hydraulic unit | 20A |
| 5 | DSG gearbox mechatronic unit (02E) with 20-pin connector | 15A |
| 5 | DSG gearbox mechatronic unit (0AM) with 25-pin connector | 30A |
| 6 | Before May 2017: Instrument cluster control unit, Steering column electronics control unit; From June 2017 [For left-hand drive vehicles]: Light switch, Trunk lid illumination switch (Camper), Trunk lid illumination 1, Trunk lid illumination 2, Rain and light sensor, Horn relay, Instrument cluster control unit, Steering column electronics control unit, Emergency call module and communication control unit, Rear reversing camera, Rear interior light (Camper), Rear lid illumination 1, Rear lid illumination 2; From June 2017 [For right-hand drive vehicles]: Control unit in instrument cluster, Electronic steering column control unit, Dual-band mobile phone signal booster, Bluetooth mobile phone antenna. | 5A |
| 7 | Power relay terminal 15: Fuse box in the passenger compartment (No. 9 to No. 16 and No. 25 to No. 27) | 40A |
| 8 | Control unit with display for radio with navigation, control unit 1 for information electronics, radio, USB hub | 15A |
| 9 | Wheel drive control unit | 20A |
| 10 | Engine control unit, main relay [petrol engine], power relay terminal 30 [diesel engine] | 5A |
| 11 | Auxiliary heater control unit | 20A |
| 12 | Diagnostic data bus interface | 5A |
| 13 | Engine control unit [Petrol engine] | 15A |
| 13 | Engine control unit [Diesel engine] | 30A |
| 14 | [Euro 6 compliant diesel engine]: Inlet camshaft adjustment valve 1, Fuel pressure regulator, Fuel metering valve | 10A |
| 14 | [Euro 5, Euro 4 emission class compliant diesel engine]: Fuel pressure regulator, Fuel metering valve. | 15A |
| 14 | Ignition coil, Ignition coil 1, 2, 3 and 4 with output stage | 20A |
| 15 | Fuel pump relay, electric fuel pump relay 2, glow plug control unit; [Diesel engine complying with Euro 5, Euro 4 emission class]: Low power heater relay, High power heater relay. | 5A |
| 15 | Lambda probe heating element, Lambda probe heating element 1 after catalytic converter. | 10A |
| 15 | [Diesel engine complies with Euro 6 emission standard]: Low output thermal relay, High output thermal relay; NOx sensor control unit, NOx sensor control unit 2, Lambda probe heating element; Injectors for cylinders 1, 2, 3 and 4 [1.6 litre petrol engine]. | 15A |
| 16 | On-board network control unit, Front right headlamp, Right headlamp discharge lamp control unit, Right headlamp discharge lamp, Right daytime running lamps and front side lamps control unit, Right headlamp bulb for adaptive lighting system, Left fog lamp bulb or right fog lamp bulb, Right daytime running light bulb, Front left lamp, Right rear lamp, Front right lamp, Rear left indicator lamp, Front right indicator lamp, Left brake light bulb, Right reversing lamp, Left indicator repeater lamp, High beam bulb, Right dipped beam bulb, Right high beam bulb. | 30A |
| 17 | Horn relay: High-tone signal | 15A |
| 18 | Control unit for special vehicles | 30A |
| 19 | Windscreen wiper motor control unit: Windscreen wiper motor | 30A |
| 20 | Shut-off and safety valve 1, 2, 3, 4 and 5 for the gas cylinder | 10A |
| 21 | [Diesel engine, Euro 6 compliant]: Fuel pump relay, glow plug control unit; lambda probe heating element [Diesel engine, Euro 5, Euro 4 compliant]. | 10A |
| 21 | Fuel pump control unit [Petrol engine]; [Petrol engine 1.6 l]: Lambda probe heater, Lambda probe heater 1 after catalytic converter | 15A |
| 21 | [1.0 litre petrol engine]: Fuel pump control unit, Brake system vacuum pump | 30A |
| 22 | Brake light switch, Clutch pedal position sensor | 5A |
| 23 | Air mass meter, boost pressure control solenoid valve, EGR cooler switching valve, oil pressure control valve, cylinder head cooling circuit valve, gas cut-off valve relay, high-pressure valve for gas operation, charge air cooling pump | 10A |
| 23 | Fuel pressure regulator, charge air cooling pump | 15A |
| 24 | Radiator fan: Radiator fan control unit; Relay for reducing agent metering system: Reducer level sensor, Recuperator pump, Reducer return pump; Canister solenoid valve 1, Intake camshaft adjustment valve 1, Exhaust camshaft adjustment valve 1, Gas injection valve 1, 2, 3 and 4, Oil pressure adjustment valve, Coolant circulation pump 2, Charge air cooling pump, Heater circulation pump | 10A |
| 25 | ABS control unit, ABS hydraulic pump | 60A |
| 26 | On-board power control unit, Front left headlamp, Adaptive lighting system left headlamp bulb, Left headlamp discharge lamp control unit, Left headlamp discharge lamp, Left daytime running lamps and front side lamps control unit, Left fog lamp bulb or right fog lamp bulb, Left daytime running lamp bulb, Front right lamp, Left rear lamp, Front left indicator lamp, Rear right indicator lamp, Right brake light bulb, Left reversing light bulb, Right indicator lamp, Left dipped beam bulb, Left high beam bulb. | 30A |
| 27 | Control unit in instrument cluster, Electronic steering column control unit, Dual-band mobile phone signal booster, Bluetooth mobile phone antenna. | 50A |
| 28 | Power relay terminal 15: Fuse box in the passenger compartment (No. 9 to No. 16 and No. 25 to No. 27) | 40A |
| 28 | Control unit with display for radio with navigation, control unit 1 for information electronics, radio, USB hub | 60A |
| 29 | Wheel drive control unit | 30A |
| 29 | Engine control unit, main relay [petrol engine], power relay terminal 30 [diesel engine] | 50A |
| 30 | Auxiliary heater control unit | 50A |
| R1 | Main relay, power relay terminal 30 | |
| R2 | Gas shut-off valve relay | |
| SA1 | Alternator (110A); Alternator (140A/180A) | 200A |
| SA1 | Alternator (140A/180A) | 400A |
| SA2 | Power steering control unit: Power steering electric motor. | 80A |
| SA3 | Radiator fan: Radiator fan control unit, radiator fan, radiator fan 2 | 50A |
| SA4 | Contact relief relay X [Cars without Climatronic only]: Cabin fuse box:#20 - #24 and #43 - #53 | 80A |
| SA5 | Cabin fuse box: No. 20 - No. 24 and No. 43 - No. 53 | 80A |
| SA6 | Low power heating relay: Heater element of the auxiliary air heater. | 40A |
| SA7 | High power heating relay: Heating element for auxiliary air heater | 80A |
| TV2 | Protection of all circuits in the under-hood unit | |
