Table of Contents
VW Transporter T5 belongs to the commercial and passenger vehicle class. It was produced in van, crew cab, and pickup body styles with both diesel and petrol engines from 2003 through 2014. From 2015 onward, the sixth generation (T6) entered production. This guide provides a comprehensive overview of the fuses and relays in the Volkswagen Transporter (chassis code 7H/7E; T5 platform), featuring detailed wiring diagrams, component locations, and photographs. It also highlights the specific fuse responsible for the cigarette lighter.
Note: Fuse and relay assignments may vary depending on the model year (a facelift was introduced in 2010) and the vehicle’s electrical equipment level.
General Layout
Electronic control unit (ECU) locations:
|
|
| No. | Control Module / Component |
| 1 | ABS control module |
| 2 | Air conditioning control module (in heater control panel) |
| 3 | Rear air conditioning control module (in heater control panel) |
| 4 | Antenna control module (if equipped) |
| 5 | Side impact sensor (driver side) |
| 6 | Side impact sensor (rear left) |
| 7 | Side impact sensor (passenger side) |
| 8 | Side impact sensor (rear right) |
| 9 | Anti-theft alarm control module |
| 10 | Anti-theft alarm horn (near intake resonator) |
| 11 | Audio amplifier (under front right seat, if equipped) |
| 12 | Auxiliary battery 1 (under front left seat, if equipped) |
| 13 | Auxiliary battery 2 (camper/RV, in kitchen cabinet) |
| 14 | Auxiliary heater control module (Air Top 3500, underbody right, if equipped) |
| 15 | Auxiliary heater control module (Thermo Top, underbody left, if equipped) |
| 16 | Main battery |
| 17 | Camper equipment control module (RV) |
| 18 | Data Link Connector (DLC / OBD2) |
| 19 | On-board diagnostic interface (instrument panel) |
| 20 | Driver door control module |
| 21 | Left rear power sliding door control module (B/C pillar) |
| 22 | Front passenger door control module |
| 23 | Right rear power sliding door control module (B/C pillar) |
| 24 | ESP/ESC control module (includes lateral/longitudinal acceleration sensor) |
| 25 | Pop-top roof control module (camper/RV) |
| 26 | Engine Control Module (ECM) - near engine compartment fuse box 1 |
| 27 | Radiator fan control module 1 (front left) |
| 28 | Radiator fan control module 2 (on fan motor 2, if equipped) |
| 29 | Engine compartment fuse/relay box 1 |
| 30 | Engine compartment fuse/relay box 2 |
| 31 | Engine compartment fuse/relay box 3 |
| 32 | Dashboard fuse/relay box 1 (center dashboard) |
| 33 | Dashboard fuse/relay box 2 (below dashboard fuse box 1) |
| 34 | Dashboard fuse/relay box 3 (behind dashboard fuse boxes 1/2) |
| 35 | Dashboard fuse/relay box 4 (behind dashboard fuse boxes 1/2) |
| 36 | Under-seat fuse/relay box (left seat) |
| 37 | Auxiliary fuse 1 (10 A - rear differential lock switch, left A-pillar) |
| 38 | Auxiliary fuse 2 (30 A - auxiliary heater, under left seat) |
| 39 | Auxiliary fuse 3 (40 A - left rear door control module, under left seat) |
| 40 | Rear heater blower motor resistor 1 |
| 41 | Rear heater blower motor resistor 2 (if equipped) |
| 42 | Horn (high-tone signal) |
| 43 | Horn (low-tone signal, if equipped) |
| 44 | Immobilizer control module (in instrument cluster) |
| 45 | Immobilizer reader coil (at ignition switch) |
| 46 | Instrument cluster control module |
| 47 | Telephone control module (behind glove box) |
| 48 | Body Control Module 1 (BCM 1) - Functions: Automatic transmission, auxiliary battery charging, cruise control, door/hood switch sensing, power management, power windows, fuel pump, headlight washers, heated exterior mirrors, rear window defogger, hazard lights, heated windshield, horn, turn signals, instrument lighting, interior lighting, rain-sensing wipers, reverse lights, starter control, sunroof, light switch, windshield washer/wipers |
| 49 | Body Control Module 2 (BCM 2) - Functions: Anti-theft system, central locking, power mirrors, power sliding doors, power windows, sunroof |
| 50 | Navigation control module (integrated into display unit) |
| 51 | Ambient air temperature sensor |
| 52 | Park Distance Control module (PDC) |
| 53 | Driver seat heating control module |
| 54 | Front passenger seat heating control module |
| 55 | Steering angle sensor (if equipped) |
| 56 | Power sunroof control module |
| 57 | Airbag / Supplemental Restraint System (SRS) control module |
| 58 | Power tailgate control module (left D-pillar, if equipped) |
| 59 | Traffic information control module (under dashboard) |
| 60 | Traffic information control module (alternative location, under dashboard) |
| 61 | All-Wheel Drive (4Motion) / Transfer case control module (at rear final drive) |
| 62 | Transmission Control Module (TCM, automatic) - near ECM |
| 63 | Voice control module (under front right seat, if equipped) |
| 64 | Vehicle speed sensor (VSS) - transmission (select models) |
Passenger Compartment Fuse Boxes
Main Fuse Box (Dashboard)
Photo: Example of the complete dashboard fuse box assembly.
| Upper Section Diagram | |
|---|---|
|
|
| No. | Rating & Protected Component |
| 1 | (25 A / 30 A) Blower motor, air conditioning system, Terminal 15 power relay |
| 2 | (5 A) Steering angle sensor |
| 3 | (10 A) Body Control Module 1 (BCM 1 / On-board power supply) |
| 4 | (10 A) Headlight leveling control / (5 A) Lane Change Assist |
| 5 | (15 A) Left headlight (low beam) |
| 6 | (15 A) Left headlight (high beam) |
| 7 | (15 A) Body Control Module 1 (interior lighting, vehicle electrical system) |
| 8 | (5 A) Data Link Connector (DLC) / (15 A / 20 A) Sunroof, power sliding door, and tailgate control module |
| 9 | (15 A) Brake light switch (brake pedal sensor) / (30 A) On-board supply control module |
| 10 | (10 A) Windshield wiper motor, rear window wiper motor |
| 11 | (5 A) License plate lights |
| 12 | (15 A) Cigarette lighter / (5 A / 30 A) Headlight switch |
| 13 | (5 A / 10 A) Airbag (SRS) control module |
| 14 | (30 A) Auxiliary heater, climate control / (25 A) Headlight switch |
| 15 | (7.5 A) Air conditioning (fan switch and relay) |
| 16 | (5 A) Body Control Module (BCM) |
| 17 | (5 A) Rear fog lights, instrument cluster |
| 18 | (5 A) Instrument cluster control module |
| 19 | (5 A) Audio system, instrument cluster, BCM 1, navigation, special purpose equipment |
| 20 | (5 A) Front left parking light, left brake light, left tail light, or differential lock |
| 21 | (5 A) Front right parking light, right brake light, right tail light, starter relay, ECM |
| 22 | (7.5 A / 10 A) Front passenger airbag indicator, DLC, instrument cluster |
| 23 | (5 A / 30 A) Starter relay (manual transmission models) |
| 24 | (5 A) Steering angle sensor |
| 25 | (7.5 A) Air conditioning system (cooling fans) |
| 26 | (30 A) Headlight switch |
| 27 | (15 A) Right headlight (low beam) |
| 28 | (15 A) High beam indicator, right headlight (high beam) |
| 29 | (10 A) Tailgate release relay |
| 30 | (10 A) Heated windshield washer jets, rear window wiper motor |
| 31 | (30 A) Body Control Module 1 (horn circuit) |
| 32 | (25 A / 30 A) Body Control Module 1 (windshield wiper motor) |
| 33 | (15 A) Radio/Audio system, navigation module, traffic information module |
| 34 | (25 A) Automatic transmission control module, engine compartment fuse/relay box 1 |
| 35 | (5 A) Instrument cluster backlighting |
| 36 | (25 A) Body Control Module 1 (turn indicators) |
| Note: Fuse No. 12 (15 A) powers the cigarette lighter. | |
| Lower Section Diagram | |
|---|---|
|
|
| No. | Rating & Protected Component |
| 1 | (25 A) Trailer socket / (15 A) 10-pin connector |
| 2 | (5 A) Anti-theft alarm system |
| 3 | (5 A) Auxiliary heater/AC blower (left/right) / (10 A / 15 A) Optional equipment |
| 4 | (10 A) Transfer case / differential lock control module |
| 5 | (10 A) Accessory socket or 6-pin connector |
| 6 | (5 A) Engine oil level/temperature sensor |
| 7 | (10 A) Roof ventilator fan / (30 A) Anti-theft alarm |
| 8 | (5 A) Park Distance Control (PDC) |
| 9 | (5 A) Steering column control module (cruise control) |
| 10 | (30 A) Audio system / (10 A) Headlight range control, instrument dimming switch |
| 11 | (20 A) Anti-theft alarm horn, BCM 2, power sliding door, tailgate release module / (15 A) Two-way radio, anti-theft system |
| 12 | (5 A) Left headlight / (10 A) Brake light cut-off relay / (30 A) On-board power supply control module |
| 13 | (5 A) Cruise control main switch, multifunction steering wheel controls |
| 14 | (5 A) Telephone control unit, right headlight / (30 A) On-board power supply control module |
| 15 | (5 A) Automatic transmission control unit or telephone and voice control |
| 16 | (5 A) Radio/Navigation, telephone / (7.5 A) TV tuner |
| 17 | (7.5 A) BCM (interior light, auto-dimming mirror) |
| 18 | (5 A) Air conditioning system (select models) |
| 19 | (5 A) Auto-dimming interior rearview mirror |
| 20 | (10 A) Body Control Module 1 (heated side mirrors) |
| 21 | (5 A) Anti-theft system or rain sensor |
| 22 | (5 A) Air conditioning or refrigerant pressure sensor |
| 23 | (5 A) Auxiliary heater and accessories |
| 24 | (7.5 A) Interior lighting |
| 25 | (15 A / 25 A) Heated seats |
| 26 | (10 A) Tachograph (if equipped) |
| 27 | (15 A) Front fog lights or power relay |
| 28 | (5 A) Power mirror switch, mirror heating |
| 29 | (25 A) Auxiliary heater |
| 30 | (5 A) Auxiliary heater control |
| 31 | (25 A) Sunroof / (5 A) On-board charger |
| 32 | (20 A) Headlight washer pump and relay |
| 33 | (5 A) Tachograph (if equipped) |
| 34 | (15 A) Auxiliary 12V power outlet 3 (rear) / (5 A) Multifunction steering wheel module |
| 35 | (10 A) BCM 1 (reversing lights with automatic transmission) / (20 A) On-board supply control module |
| 36 | (5 A) Camper equipment control module, special purpose equipment |
Relay Carrier (Behind Main Fuse Box)
Located behind the dashboard main fuse box.
| Diagram | |
|---|---|
| Type 1 | |
|
|
| No. | Description |
| 1 | - |
| 2 | Auxiliary heater relay 1 |
| 3 | Rear A/C blower motor relay |
| 4 | Auxiliary ignition circuit relay (Terminal 15a) |
| 5 | (From 06/03) Rotating beacon relay (special purpose vehicles) |
| 6 | Brake light override/cut-off relay |
| 7 | Headlight washer pump relay |
| 8 | Auxiliary coolant pump relay (A/C / heater) |
| F1 | - |
| F2 | (30 A) Driver/passenger door control modules |
| F3 | (40 A) Heated rear window |
| Type 2 | |
|
|
| No. | Description |
| 1 | Rear A/C blower motor relay (select models) |
| 2 | Steering column control module |
| 3 | Steering column control module |
| 4 | Roof ventilator fan relay 1 |
| 5 | Differential lock control module |
| 6 | (From 06/03) Tailgate release relay |
| F1 | (15 A) Siren (special purpose vehicles) |
| F2 | (10 A) Siren (special purpose vehicles) |
| F3 | (10 A) Rotating beacon (special purpose vehicles) |
| F4 | (40 A) Left rear door control module |
| F5 | (40 A) (From 01/04) Right rear door control module |
| F6 | (5 A) (From 01/04) Voice synthesizer module (if equipped) |
Auxiliary Fuse Box (Under Driver Seat)
Located under the driver seat.
| Diagram | |
|---|---|
| Type 1 | |
|
|
| No. | Circuit Protected |
| 1 | Split-charge relay (second/auxiliary battery) |
| 2 | - |
| 3 | Split-charge relay (second/auxiliary battery) |
| 4 | Special purpose vehicle equipment |
| 5 | Special purpose vehicle equipment |
| F1 | (5 A) Camper equipment control module |
| F2 | (10 A) Front accessory 12V socket 1, camper refrigerator |
| F3 | (5 A) Fresh water pump (camper) |
| F4 | (10 A) Interior/cabin lighting (commercial models) |
| F5 | (30 A) Bodybuilder interface module (commercial vehicles) |
| F6 | (40 A) Pop-top roof control module |
| F7 | (5 A) Antenna module |
| F8 | (25 A) Auxiliary heater |
| F9 | (30 A) Blower motor (Climatronic / automatic climate control) |
| F10 | - |
| F11 | - |
| F12 | - |
| F13 | (40 A) Right rear door control module |
| F14 | (80 A) Auxiliary battery main fuse |
| Type 2 | |
|
|
| No. | Description |
| 1 | - |
| 2 | Split-charge relay (auxiliary battery system) |
| 3 | Special purpose vehicle equipment |
| 4 | Special purpose vehicle equipment |
| 5 | Special purpose vehicle equipment |
| F1 | (15 A) 12V accessory power sockets |
| F2 | (15 A) 12V accessory power sockets |
| F3 | (15 A) 12V accessory power sockets |
| F4 | (15 A) Camper refrigerator / special purpose equipment |
| F5 | (5 A) Antenna module |
| F6 | (25 A) Auxiliary heater |
| F7 | (30 A) Blower motor (automatic climate control) |
| F8 | - |
| F9 | - |
| F10 | - |
| F11 | (40 A) Right rear door control module |
| F12 | (80 A) Auxiliary battery main fuse |
| Type 3 | |
|
|
| No. | Rating & Description |
| 1 | (5 A) 10-pin connector / 6-pin connector |
| 2 | (3 A) 10-pin connector |
| 3 | (5 A / 15 A) 10-pin connector or crash data recorder |
| 4 | (15 A) 10-pin connector |
| 5 | (5 A) 10-pin connector |
| 6 | (25 A) 6-pin connector |
| 7 | (15 A / 30 A) 12V socket / voltage inverter |
| 8 | (20 A / 25 A) Auxiliary heater control module |
| 9 | (25 A / 30 A) Fresh air blower fan |
| 10 | (15 A / 30 A) Climate control system |
| 11 | (15 A) Cigarette lighter |
| 12 | (5 A) 10-pin connector / 6-pin connector |
| 13 | Auxiliary relay |
| 14 | Auxiliary relay |
| 15 | Auxiliary relay |
| 16 | (30 A) On-board battery charger |
| 17 | (30 A) Hydraulic pop-top roof control module |
| 18 | (10 A) Interior cabin ceiling lights |
| 19 | (10 A) Cool box / refrigerated compartment |
| 20 | (5 A) Camper fresh water pump |
| 21 | (5 A) Camper control panel |
| 22 | (15 A) 12V power socket |
| 23 | (15 A) 12V power socket |
| 24 | (10 A) Roof ventilator fan or 12V socket |
| 25 | (15 A) Trailer detector control module |
| 26 | (20 A) Trailer detector control module |
| 27 | (20 A) Trailer detector control module |
| 28 | (7.5 A) Trailer detector control module |
| 29 | Spare / Unassigned |
| 30 | (5 A) Voice reinforcement/intercom control module |
| 31 | Spare / Unassigned |
| 32 | Spare / Unassigned |
| 33 | (15 A) Driver seat lumbar support |
| 34 | (40 A) Right power sliding door control module |
| 35 | (80 A) Auxiliary battery charge control module / main fuse |
| 36 | (40 A) Left power sliding door control module |
| 37 | (40 A) Fresh air blower fan |
| 38 | 6-pin equipment connector |
| 39 | Spare / Unassigned |
Engine Compartment Fuse Boxes
Main Engine Compartment Fuse Box
Overview.
| Diagram | |
|---|---|
|
|
| No. | Rating & Protected Component |
| 1 | (5 A) Radiator fan motor(s) |
| 2 | (5 A) Coolant circulation pump relay |
| 3 | (15 A) A/C compressor / (5 A) Crankcase ventilation heater element |
| 4 | (30 A) ABS control module or voltage stabilizer, audio system |
| 5 | (15 A) Automatic transmission control module |
| 6 | (30 A) ABS hydraulic pump / control module |
| 7 | (5 A) Radiator fan control module 1 / (7.5 A) Windshield washer pump |
| 8 | (15 A) Engine Control Module (ECM) / engine management |
| 9 | (5 A) ECM / main ignition power relay |
| 10 | (5 A) ECM / (15 A) Boost pressure control solenoid or EGR valve |
| 11 | (5 A) Power steering control unit / (30 A) Headlight switch and headlight relay |
| 12 | (5 A) ECM / (10 A) Fuel pressure regulator valve |
| 13 | (10 A) ECM / (10 A) Left Xenon (HID) headlight module |
| 14 | (5 A) ECM or fuel pump relay |
| 15 | (10 A) Reverse light switch |
| 16 | (5 A) ECM or brake light switch, Mass Air Flow (MAF) sensor |
| 17 | (5 A) ABS control module |
| 18 | (5 A) Power steering system |
| 19 | (5 A) Brake light switch, clutch pedal switch |
| 20 | (5 A) Engine management components |
| 21 | (5 A) Exhaust Gas Recirculation (EGR) valve |
| 22 | (10 A) Engine management (fuel injectors) |
| 23 | (25 A) Automatic transmission / (10 A) Right Xenon (HID) headlight module |
| 24 | (5 A) Transmission Control Module (TCM) |
| 25 | (25 A) Engine management / Ignition system |
| 26 | (25 A) Engine management / (5 A) Left headlight |
| 27 | (5 A) Auxiliary coolant pump relay |
| 28 | (15 A) Horn (high-tone signal) |
| 29 | (10 A) Vehicle Speed Sensor (VSS) / (5 A) Right headlight |
| 30 | (15 A / 20 A) Auxiliary coolant pump relay, fuel pump / fuel pump relay |
| 31 | (15 A) Engine management (oxygen / lambda sensor) |
| 32 | (30 A) Engine management (ignition coils) / (5 A) Fuel pump relay |
| 33 | (5 A) Auxiliary coolant pump relay, ECM, glow plug relay |
| 34 | (10 A) Radiator fan control module / (5 A) Body Control Module |
| 35 | (10 A) ECM / (15 A) Fuel metering valve |
| 36 | (25 A / 30 A) Starter relay / (5 A) CAN bus gateway / data bus interface |
High-Power Fuse Box (Pre-Fuse Block)
Located adjacent to the main engine fuse box and connected directly to the battery.
| Photo Diagram | |
|---|---|
|
|
| No. | Rating & Description |
| 1 | (175 A / 225 A) Alternator |
| 2 | (125 A) Main power distribution, auxiliary ignition relay, driver/passenger door control modules, rear window defroster, Terminal X relief relay, individual fuses |
| 3 | (50 A / 100 A) Auxiliary battery charging system, power sliding door modules (left/right, select models), split-charge relay |
| 4 | (125 A) Power distribution / (70 A) Engine compartment wiring harness main positive junction |
| 5 | (50 A) Power distribution (select models), individual fuses |
| 6 | (60 A) Glow plug relay / (50 A) Secondary air injection (SAI) pump motor |
| 7 | (70 A / 80 A / 100 A) Radiator cooling fan motor(s) |
| 8 | (40 A / 50 A / 100 A) Radiator cooling fan motor(s), individual fuses |
| 9 | (100 A) Battery power distribution, ignition switch (Terminal 30) |
| 10 | - |
Engine Compartment Relay Box
Located adjacent to the engine compartment fuse box.
| Diagram | |
|---|---|
| Type 1 | |
|
|
| 1 | A/C control module (manual climate control) |
| 2 | Secondary fuel pump relay (Relay 2) |
| 3 | Secondary air injection (SAI) pump relay |
| 4 | Main ignition circuit relay (Terminal 15) |
| 5 | Primary fuel pump relay (Relay 1) |
| 6 | A/C magnetic clutch relay (Climatronic) |
| 7 | Automatic transmission control relay |
| 8 | Power steering control module |
| 9 | Auxiliary coolant pump relay |
| Type 2 | |
|
|
| 1 | A/C control module (manual climate control) |
| 2 | Secondary fuel pump relay (Relay 2) |
| 3 | Secondary air injection (SAI) pump relay |
| 4 | Main ignition circuit relay (Terminal 15) |
| 5 | Primary fuel pump relay (Relay 1) |
| 6 | A/C magnetic clutch relay (Climatronic) |
| 7 | - |
| 8 | Auxiliary coolant pump relay |
| 9 | Starter relay (if equipped) |