Table of Contents
The 6th-generation Volkswagen Golf (A6/Typ 5K) was produced in hatchback, estate/wagon, and cabriolet body styles from 2008 to 2013. This guide provides detailed fuse box and relay locations, wiring diagrams, and component descriptions for the VW Golf Mk6 (chassis codes 5K, 51; A6 (PQ35) platform). Note: Fuse 42 is dedicated to the cigarette lighter/12V auxiliary power socket.
Engine Compartment Fuse Box
Located on the left side of the engine bay under a protective plastic cover. The assembly consists of two sections: 1 – Main Fuse Box, and 2 – High-Power/Pre-Fuse Box.
Main Fuse Box
Diagram.
 |
|
| No. | Rating / Description |
| R1 | Engine Control Module (ECM) Power Supply Relay / Radiator Fan Relay |
| R2 | Secondary Air Injection (AIR) Pump Relay / Automatic Transmission Control Module (TCM) Relay |
| 1 | (30 A) Windshield wiper motor |
| 2 | (30 A) Transmission mechatronic unit (DSG) |
| 3 | (20 A) Central Electrical Control Module (CECM / BCM) |
| 4 | (20 A) ABS/ESP control module |
| 5 | (15 A) Transmission Control Module (TCM) / Engine Control Module (ECM) |
| 6 | (5 A) Instrument cluster, Steering column control module |
| 7 | (40 A) Terminal 15 power supply relay |
| 8 | (15 A) Infotainment / Head unit (25 A) Voltage stabilizer |
| 9 | (5 A) Telephone / Bluetooth control module |
| 10 | (5 A / 10 A) Engine Control Module (ECM), Motronic power supply relay |
| 11 | (20 A) Auxiliary heater control module, Auxiliary heater relay |
| 12 | (5 A) Data bus diagnostic interface (CAN Gateway) |
| 13 | (15 A / 30 A) Engine Control Module (ECM) |
| 14 | (20 A) Fuel lift pump, Ignition system |
| 15 | (5 A / 10 A) Glow plug relay, Fuel pump relay, Heated oxygen sensor (HO2S) |
| 16 | (30 A) Right lighting circuits / Headlamp unit |
| 17 | (15 A) Horn |
| 18 | (30 A) Premium audio system amplifier |
| 19 | (30 A) Windshield wiper and washer system |
| 20 | (10 A) Auxiliary coolant pump / (20 A) Fuel pressure regulator valve |
| 21 | (10 A / 15 A) Oxygen sensor heater, Front passenger door central locking / (20 A) Brake vacuum pump |
| 22 | (5 A) Clutch pedal position switch |
| 23 | (5 A / 10 A / 15 A) Engine management system sensors/actuators |
| 24 | (10 A) Engine management system (fuel pump relay, injectors, EVAP) |
| 25 | (40 A) ABS hydraulic pump / ESP module |
| 26 | (30 A) Left lighting circuits / Headlamp unit, Central Electrical Control Module (BCM) |
| 27 | (40 A / 50 A) Glow plug control module, Secondary air injection (AIR) pump motor |
| 28 | (30 A) Terminal 15 power supply relay 2 |
| 29 | (50 A) Driver's seat thermal circuit breaker 1 |
| 30 | (50 A) Terminal X load reduction relay |
High-Power Pre-Fuse Box
Diagram.
| Type 1 | |
 |
|
| 1 | 150 A / 200 A - Generator (Alternator) |
| 2 | 80 A - Electromechanical power steering control module |
| 3 | 50 A - Radiator fan / Radiator fan control module |
| 4 | 80 A - Auxiliary heating element relay / Auxiliary equipment |
| 5 | 80 A - Terminal 30 (Cabin fuse panel power feed) |
| 6 | 40 A - Low-heat output relay |
| 7 | 30 A / 40 A / 50 А - Unassigned / Spare |
| Type 2 | |
 |
|
| 1 | 150 A / 200 A - Generator (Alternator) |
| 2 | 80 A - Electromechanical power steering control module |
| 3 | 50 A - Radiator fan / Radiator fan control module |
| 4 | 80 A - Unassigned / Spare |
| 5 | 80 A - Terminal 30 (Cabin fuse panel power feed) |
| 6 | Unassigned / Spare |
| 7 | Unassigned / Spare |
Passenger Compartment Fuse Panel
Instrument Panel Fuse Box
Located on the driver's side end of the dashboard, behind the removable side access cover.
| Diagram | |
|---|---|
 |
|
| No. | Rating / Circuit Designation |
| F1 | (10 A) Data Link Connector (OBD-II port), Engine Control Module (ECM), Auxiliary heater relay, Switch backlighting dimmer control, Headlamp range control switch, Adaptive Cruise Control (ACC) module, Brake light switch |
| F2 | (5 A) ABS/ESP module, Instrument cluster control module, Engine Control Module (ECM), Starter relay, Power steering module, Trailer detection module |
| F3 | (5 A) Airbag Control Module (SRS) |
| F4 | (5 A) Engine oil level and temperature sensor, High-pressure A/C sensor, ASR/ESP defeat switch, Tire Pressure Monitoring System (TPMS) button, Airbag control unit |
| F5 | (10 A) Left headlamp control module / Range adjustment |
| F6 | (10 A) Right headlamp control module / Range adjustment |
| F7 | Unassigned / Spare |
| F8 | Unassigned / Spare |
| F9 | Unassigned / Spare |
| F10 | Unassigned / Spare |
| F11 | Unassigned / Spare |
| F12 | (10 A) Driver door control module, Passenger door control module, Central locking system |
| F13 | (10 A) Data Link Connector (OBD-II port), Rotary light switch, Rain and light sensor, Fog light switch |
| F14 | (10 A) Brake light switch (pedal position sensor), Automatic Transmission Control Module (TCM), Climatronic A/C control module |
| F15 | (20 A) Rear hatch / tailgate release button, Central Electrical Control Module (BCM), Central locking control |
| F16 | (10 A) Rearview camera module |
| F17 | (5 A / 10 A) Sound system, Interior tilt sensor, Alarm siren, Horn relay |
| F18 | Unassigned / Spare |
| F19 | (5 A) Crash data recorder, Engine speed limiter module |
| F20 | (20 A) Keyless entry and start authorization control module (KESSY), Voltage stabilizer |
| F21 | (10 A) Electronic steering column lock module (ELV) |
| F22 | (40 A) Fresh air blower motor |
| F23 | (30 A) Front power windows, Front door control modules |
| F24 | (20 A) Central Electrical Control Module (BCM / Onboard supply) |
| F25 | (25 A) Multifunction module (heated rear window, A/C control module, heater mode selector switch) |
| F26 | (30 A) Rear door control modules, Rear power windows |
| F27 | (15 A) Fuel pump control module / In-tank fuel pump |
| F28 | (15 A) Voltage stabilizer, Infotainment head unit |
| F29 | Unassigned / Spare |
| F30 | (20 A) Automatic Transmission Control Module (TCM) |
| F31 | (20 A) Brake system vacuum pump |
| F32 | (30 A) DC-AC power inverter, 12 V to 230 V socket |
| F33 | (25 A) Power sunroof control module |
| F34 | (15 A) Power seat adjustment control module |
| F35 | (10 A) Adaptive Chassis Control (DCC) / Electronic damping module |
| F36 | (20 A) Headlamp washer system pump |
| F37 | (30 A) Heated front seats control module |
| F38 | (20 A) Horn relay, Anti-theft alarm system, Convenience system control module |
| F39 | — |
| F40 | (40 A) HVAC blower motor / Automatic climate control module |
| F41 | (15 A) Rear window wiper motor |
| F42 | (20 A) Cigarette lighter / 12 V auxiliary power outlet |
| F43 | (15 A) Trailer towing control module |
| F44 | (20 A) Trailer towing control module |
| F45 | (15 A) Trailer towing control module |
| F46 | Unassigned / Spare |
| F47 | (5 A) Instrument cluster control module |
| F48 | (5 A) Mobile telephone interface control unit, Voltage stabilizer, Compass magnetic field sensor |
| F49 | Unassigned / Spare |
| Fuse 42 (20 A) protects the cigarette lighter and 12V auxiliary power socket circuit. | |
Relay Panel
Located beneath the driver's side instrument panel, accessible behind the lower dash trim.
Upper Relay Carrier Diagram
- Ignition switch Terminal 15 power supply relay
- Dual-tone horn relay
- Headlamp washer system relay
- Terminal X load reduction relay
- Heated rear window relay
- or A – 30 A Driver's seat adjustment thermal circuit breaker 1
General functions managed by the Central Electrical Control Module (CECM / BCM): Relay circuit management, exterior lighting control, power distribution management, windshield wiper control (via LIN bus), rain and light sensor interface, horn actuation, heated windshield and rear window control, driver profile setting storage, interior monitoring/tilt sensors and anti-theft alarm management, convenience locking/unlocking functions, remote control reception (integrated antenna), central locking system (doors, fuel filler flap, tailgate), Tire Pressure Monitoring System (TPMS logic via diagnostic address), door control module interface, daytime running lights (DRL), and static cornering light control.
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