The 4th generation Volkswagen Caddy was produced in 2015, 2016, 2017, 2018, 2019 and 2020. In our material you can find a description of the fuses and relays of the Volkswagen Caddy 4 with block diagrams, their locations and photo examples of execution.
The purpose of the fuses and relays in the blocks may differ from that presented and depends on the year of manufacture and the level of electrical equipment of your car.
Fuse box in the passenger compartment
9 10A 10-pin connector, pin 4 (interface for special functions)
10 8A Diagnostic data bus interface. Engine control unit. Starter relay 1. Starter relay 2.
11 5A Parking assistance system control unit. Power steering control unit.
12 5A Taximeter. Mirror with taximeter.
12 20A 8-pin connector, pin 8; 28-pin connector, pin 20
13 7.5A Headlight range adjustment. ASR and electronic stability control deactivation button. Selector lever. Tyre pressure indicator button. Start/stop button. ABS control unit. Trailer detection control unit. ACC control unit. All-wheel drive control unit. Power steering control unit. Mechatronic control unit for DSG gearbox. Inverter with 12V/230V connector. Left headlight range adjustment motor. Right headlight range adjustment motor.
14 10A Reversing light switch. Mass air flow sensor. Auxiliary heater relay. Control unit in instrument cluster. Crankcase ventilation heating resistor. Diagnostic socket. 1-pin connector, pin sixteen
15 5A Airbag control unit. Front passenger airbag deactivation indicator.
16 5A Light switch. Heating and mode selector switch. High pressure sensor. Air pollution sensor sensor. Oil temperature and level sensor. Light sensor. High beam assistant control unit. Front driver assistance camera. Anti-glare interior mirror.
18 10A 10-pin connector, pin 6 (interface for special functions)
19 10A Taximeter. Mirror with taximeter. Radio. Printer.
19 10A 10-pin socket, pin 7 (interface for special functions)
20 20A Fuse for Volkswagen Caddy cigarette lighter. 12 V socket, in the storage compartment
21 10A Heating and mode selector operation. Selector lever. Rear window heating relay. Rear window heating relay. Climatronic control unit. Air conditioning control unit. Emergency data recorder. (except special police equipment). Relay for the dosing system of reducing agents. Dual-band signal amplifier for mobile telephone. Radio signal receiver for additional water heater. Antenna for Bluetooth mobile telephone. 6-pin socket, 2-pin socket (only for special police equipment). Diagnostic socket. 16-pin socket, pin 16
21 10A Light switch. Heating and heating mode selector switch. Selector switch. Ambient lighting switch in the rear section of the bonnet (Camper). Light 1 in the tailgate. Light 2 in the tailgate. Rain and light sensor. Relay for heated rear window. Climatronic control unit. Air conditioning control unit. Horn relay. Crash data recorder. (except special equipment for the police). Reducing agent. Dosing system relay. 16-pole diagnostic socket, terminal 16. Rear interior light (Camper). Light 1 in the rear section of the bonnet. Light 2 in the rear section of the bonnet. Reversing camera.
22 10A On-board network control unit. Interior lighting. Light in the boot. Light in the glove compartment. Central interior light. Rear interior light. Light 1 in the tailgate (special equipment). Light 2 in the tailgate (special equipment). Boot light 2 (special equipment). Luggage compartment light 2 (special equipment). Front left reading light. Front right reading light. Rear left reading light 2. Rear right reading light 2. On-board power supply control unit. Left fog light bulb. Right fog light bulb.
23 5A [special vehicles] Taxi - Interior light switch. Taxi horn switch. 10-pin connector, pin 1 (interface for special functions)
23 10A [special vehicles] Direction indicator relay.
24 5A Interior monitoring sensor. Vehicle inclination sensor. Anti-theft alarm sensor. Alarm. On-board power supply control unit
25 5A Instrument cluster. Control unit in instrument cluster.
26 10A Button for emergency recorder (without special police equipment); Emergency data recorder (without special police equipment)
29 15A Rear window wiper motor.
31 5A Heating mode switch. Heating resistor for left windshield washer nozzle. Heating resistor for right windshield washer nozzle.
33 40A Auxiliary heater on relay (vehicles with auxiliary heater, without R1234yf refrigerant); Heating mode switch. Air conditioning control unit. Auxiliary heater on relay (vehicles with auxiliary heater, with R1234yf refrigerant); Fresh air fan off relay. Heating mode switch. Air conditioning control unit. Fresh air fan isolation relay (vehicles without auxiliary heater, with R1234yf refrigerant); Air conditioning control unit.
39 30A 4-pin connector, pin 1 [special vehicles].
40 20A Trailer detection control unit.
41 20A Trailer detection control unit.
42 20A Trailer detection control unit.
43 15A Fuel Pump Relay (Caddy Fuel Pump Fuse 4). Fuel Priming Pump. High Pressure Fuel Supply Relay. Auxiliary Fuel Pump. Electric Fuel Pump 2 Relay.
43 20A [Euro 6 Diesel] - Fuel Pump Relay. Electric Fuel Pump 2 Relay. Fuel Priming Pump.
44 40A Fresh Air Blower Control Module. Fresh Air Blower.
45 20A Headlamp Washer Relay. Headlamp Washer Pump.
46 10A Driver's Door Control Module. (models without electric windows), left-hand drive vehicles / Passenger Door Control Module. models without power windows), RHD vehicles
46 30A Driver's door control module (models with power windows), LHD vehicles / Passenger door control module (models with power windows), RHD vehicles
47 40A X-contact of the unloader relay, passenger compartment fuse box C.
48 30A Front seat heating control module.
49 10A Driver's door control module (models without power windows), RHD vehicles / Passenger door control module (models without power windows), LHD vehicles
49 30A Driver's door control module (models with power windows), RHD vehicles / Passenger door control module (models with power windows), LHD vehicles
50 20A On-board power supply control module. Windscreen washer pump. Rear window wiper motor. Windscreen and rear window washer pump.
51 15A Trailer supply relay. Towbar connector.
51 30A 10-pin connector, pin 4 / 10-pin connector, pin 5 [special vehicles].
52 25A Rear window defroster relay. Rear window defroster resistor. Left-hand rear window defroster resistor. Right-hand rear window defroster resistor. Fresh air blower relay (vehicles with auxiliary heater). Ballast resistor for fresh air blower with overheating fuse. Fresh air blower.
53 20A 12V socket - rear center console; 12V socket in left rear side panel.
54 15A Roof fan relay 1. [special vehicles].
55 15A 8-pin connector, pin 4 [special vehicles]
56 30A Inverter with socket, 12V/230V.
59 5A Radio switch. Engine boost switch. Daytime running light off button. Crash data recorder.
60 30A 3-pin connector, pin 1 [special vehicles]
- Fuses 20 and 53 are responsible for the operation of the fuse.
Individual relay elements can be installed next to the fuse box.
Fuse box under the hood
In the engine compartment, the fuse and relay box is located next to the battery and is covered with a protective cover.
1 30A Gearbox heating control unit
3 5A Battery condition monitoring control unit, PCB power supply control unit
4 20A ABS control unit, ABS hydraulic unit
5 15A DSG gearbox mechatronic unit (02E) with 20-pin connector
5 30A DSG gearbox mechatronic unit (0AM) with 25-pin connector
F6 5A Up to May 2017: Instrument cluster control unit, Steering column electronics control unit; From June 2017 [For left-hand drive vehicles]: Light switch, Camper light switch, Camper light 1, Camper light 2, Rain and light sensor, Horn relay, Instrument cluster control unit, Steering column electronic control unit, Emergency call module and communication control unit, Reversing camera, Rear interior light (Camper), Rear compartment light 1, Rear compartment light 2; From June 2017 [For right-hand drive vehicles]: Instrument cluster control unit, Steering column electronic control unit, Dual-band mobile phone signal amplifier, Bluetooth mobile phone antenna. F7 40A Terminal 15 power supply relay: passenger compartment fuse box (#9 - #16 and #25 - #27)
F8 15A Control unit with display for radio with navigation, control unit 1 for information electronics, radio, USB hub
F9 20A Wheel drive control unit
F10 5A Engine control unit, main relay [petrol engine], power supply relay terminal 30 [diesel engine]
F11 20A Auxiliary heater control unit
F12 5A Data bus diagnostic interface
F13 15A Engine control unit [petrol engine]
F13 30A Engine control unit [Diesel engine]
F14 10A [Diesel engine, Euro 6 emission standard compliant]: Intake camshaft adjustment valve 1, Fuel pressure regulator, Metering valve fuel
F14 15A [Diesel engine complying with emission standard Euro 5, Euro 4]: Fuel pressure regulator, Fuel metering valve
F14 20A Ignition coil, Ignition coil 1, 2, 3 and 4 with output stage
F15 5A Fuel pump relay, Electric fuel pump 2 relay, Glow plug control unit; [Diesel engine complying with emission standard Euro 5, Euro 4]: Low power heater relay, High power heater relay
F15 10A Lambda probe heater element, Lambda probe heater element 1 after catalytic converter
F15 15A [Diesel engine complying with emission standard Euro 6]: 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 [1.6L Petrol Engine]. F16 30A On-board power supply control unit, Front right headlight, Right headlight gas discharge lamp control unit, Right daytime running lights and front side lights control unit, Right headlight bulb for adaptive lighting, Left fog light or right fog light bulb, Right daytime running light bulb, Front left bulb, Right rear bulb, Front right bulb, Left direction indicator bulb, Front right direction indicator bulb, Left brake light bulb, Right reversing bulb, Left direction repeater bulb, High brake light bulb, Right low beam bulb, Right high beam bulb
F17 15A Horn relay: High tone horn
F18 30A Control unit for special vehicles
F19 30A Windscreen wiper motor control unit: Windscreen wiper motor
F20 10A Shut-off and safety valve 1, 2, 3, 4 and 5 for gas cylinder
F21 10A [Diesel engine, Euro 6 emission standard]: Fuel pump relay, glow plug control unit; lambda probe heating element [Diesel engine, Euro 5, Euro 4 emission standard].
F21 15A Fuel pump control unit [Petrol engine]; [1.6L Petrol Engine]: Lambda Sensor Heater, Lambda Sensor 1 Heater After Catalytic Converter
F21 30A [1.0L Petrol Engine]: Fuel Pump Control Unit, Brake Vacuum Pump
F22 5A Brake Light Switch, Clutch Pedal Position Sensor
F23 10A Air Mass Sensor, Boost Pressure Control Solenoid Valve, EGR Cooler Changeover Valve, Oil Pressure Regulating Valve, Cylinder Head Cooling Circuit Valve, Gas Cut-off Valve Relay, High Pressure Valve for Gas Operation, Charge Air Cooling Pump
F23 15A Fuel pressure regulator, Charge air cooling pump
F24 10A Radiator fan: Radiator fan control unit; Relay for reducing agent dosing system: Reducer level sensor, Recovery 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 regulating valve, Coolant circulation pump 2, Charge air cooling pump, Heater circulation pump
F25 60A ABS control unit, ABS hydraulic pump
F26 30A On-board power supply control unit, Front left headlight, Bulb for left headlight of adaptive lighting system, Left headlight gas discharge lamp control unit, Left daytime running lights and front side lights control unit, Left fog light bulb or right fog light bulb, Left daytime running lights bulb, Front right bulb, Left rear bulb, Front left turn signal bulb, Rear right turn signal bulb, Right brake light bulb, Left rear bulb , Right turn signal lamp, Left low beam lamp, Left high beam lamp, Left low beam shutter
F27 50A Glow plug control module
F28 40A Fuse 56 in passenger compartment fuse box, Inverter with 12V/230V socket
F28 60A Heated windshield relay: Heated windshield element
F29 30A Special vehicles: Fuse 18 and 19 in passenger compartment fuse box
F29 50A Special vehicles: Fuse 39 in passenger compartment fuse box, Fuse 51 in passenger compartment fuse box, Fuses 54 and 55 in passenger compartment fuse box, Fuses 59 and 60 in passenger compartment fuse box
F30 50A Driving with a trailer: Fuse 40, 41 and 42 in the passenger compartment fuse box
R1 Main relay, power relay terminal 30
R2 Gas shut-off valve relay
SA1 200A Generator (110A); Alternator (140A/180A)
SA1 400A Alternator (140A/180A)
SA2 80A Power steering control unit: Power steering motor
SA3 50A Radiator fan: Radiator fan control unit, radiator fan, radiator fan 2
SA4 80A Contact relief relay X [Only vehicles without Climatronic]: Passenger compartment fuse box: #20 - #24 and #43 - #53
SA5 80A Passenger compartment fuse box: #20 - #24 and #43 - #53
SA6 40A Low power heating relay: Heating element for additional air heater
SA7 80A High power heating relay: Heating element for additional air heater
TV2 Protection of all circuits in underhood block
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