Volkswagen Transporter (T5; 2003 – 2009) – fuse box diagram
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009
This article focuses on the pre-facelift fifth-generation Volkswagen Transporter (T5), manufactured between 2003 and 2009. It includes fuse box diagrams for Volkswagen Transporter T5 models from 2003 through 2009, details on the location of the fuse panels within the vehicle, and information about the function of each fuse (fuse layout).
Passenger Compartment Fuse Boxes
Fuse Box Location
Fuse Box Diagram (-SB-, -SC-)
Assignment of the fuses in the instrument panel (fuse holders C and B)
| № | Amps | Function/component |
|---|---|---|
| Fuse holder B | ||
| SB1 | 25A | Fresh air blower isolation relay |
| SB1 | 30A | 2003: Rear blower Bitron regulation motor Fresh air blower isolation relay X-contact relay 2004-2009: Rear blower Bitron regulation motor |
| SB2 | 5A | Steering angle sender |
| SB3 | 10A | Onboard power supply control unit |
| SB4 | 10A | Headlight range control regulator Left headlight range control motor Right headlight range control motor |
| SB5 | 15A | Left headlight twin filament bulb Left headlight dipped beam bulb Special vehicle fuse 3 |
| SB6 | 15A | Left headlight twin filament bulb Left main beam bulb Special vehicle fuse 6 |
| SB7 | 15A | Onboard power supply control unit (interior light) |
| SB8 | 5A | 16-pin connector, diagnostic connector |
| SB9 | 10A/15A | Brake light switch |
| SB10 | 5A/10A | Intermittent wiper switch Rear wiper switch |
| SB11 | 5A | Number plate light Switches and instruments illumination regulator (2003) |
| SB12 | 15A | Cigarette lighter |
| SB13 | 5A | 2003-2004: Brake light additional relay 2004-2009: Airbag control unit |
| SB14 | 30A | 2003-2006: Fresh air blower switch Air conditioning system switch Auxiliary coolant heater relay Front blower Bitron regulation motor 2008-2009: Headlight dipper/flasher switch |
| SB15 | 7,5A | Air conditioning system switch Fresh air/air recirculation flap switch (2004-2009) Rear fresh air blower switch (2004-2009) Climatronic control unit Air conditioning system compressor regulating valve |
| SB16 | 5A | Onboard power supply control unit |
| SB17 | 5A | Rear fog light cut-out contact switch Rear fog light warning lamp Rear left fog light bulb Trailer socket |
| SB18 | 5A | Control unit in dash panel insert |
| SB19 | 5A | Operating and display unit for camping equipment Control unit in dash panel insert Control unit with display for radio and navigation system Onboard power supply control unit Roof hydraulics control unit Radio Special vehicle fuse 1 |
| SB20 | 5A | Left side light bulb Left tail light bulb Left brake and tail light bulb 10-pin connector, purple Trailer socket |
| SB21 | 5A | Right tail light bulb Right side light bulb Right brake and tail light bulb Trailer socket |
| SB22 | 7,5A/10A | Control unit in dash panel insert Front passenger side airbag deactivated warning lamp 16-pin connector, diagnostic connector 16-pin connector, diagnostic connector 2 |
| SB23 | 25A/30A/40A | Starter |
| SB23 | 5A | Starter inhibitor relay, 10-pin connector, yellow |
| SB23 | 25A | Trailer socket (2003) |
| SB24 | 5A | Steering angle sender |
| SB25 | 5A | Air conditioning system switch Fresh air/air recirculation flap switch Climatronic control unit |
| SB26 | 30A | Lighting switch |
| SB27 | 15A | Right headlight twin filament bulb Right headlight dipped beam bulb Special vehicle fuse 4 |
| SB28 | 15A | Main beam warning lamp Right headlight twin filament bulb Right main beam bulb Special vehicle fuse 7 |
| SB29 | 10A | 2004-2009: Dual signal inverter relay |
| SB30 | 10A | Rear window wiper motor Rear left wing door window wiper motor Rear right wing door window wiper motor Left washer jet heater element Right washer jet heater element |
| SB31 | 30A | Onboard power supply control unit (signal horn) |
| SB32 | 25A | Onboard power supply control unit (windscreen wiper motor) |
| SB33 | 15A | Control unit with display for radio and navigation system Traffic information control unit Radio |
| SB34 | 25A | 2003: Speedometer sender Air mass meter Automatic gearbox relay Engine control unit 2004-2009: Automatic gearbox relay Positive connection 1 (15), in engine harness Fuses on fuse holder D (engine compartment): №3, 12, 14, 15, 16, 17, 19, 20, 24 |
| SB35 | 5A | Instruments illumination |
| SB36 | 25A | Onboard power supply control unit (turn signal) |
| Fuse holder C | ||
| SC1 | 25A/15A | 2003: 12V socket 2 2004-2009: Trailer socket |
| SC2 | 5A | Interior monitor send and receive module (2003) Interior monitor send and receive module 2 Anti-theft and tilt system control unit (2004-2009) |
| SC3 | 5A | 2003-2007: Right auxiliary blower Left auxiliary blower |
| SC3 | 30A | 2008-2009: Onboard power supply control unit (heated rear window |
| SC4 | 10A/15A | 2003: 12V socket 3 2004-2006: Four-wheel drive control unit 2007-2009: Rear differential lock switch Differential lock control unit Four-wheel drive control unit |
| SC5 | 10A/15A | 2003: Refrigerator box 2004-2009: 6-pin connector, grey |
| SC6 | 5A | Oil level and oil temperature sender |
| SC7 | 10A | 2003: Switch-over relay 1 for roof ventilator 2004-2009: Positive connection -6- (30), in main wiring harrness (roof ventilator) |
| SC7 | 15A | 2005-2009: 12V socket 4 |
| SC8 | 5A | Parking aid control unit |
| SC9 | 5A | Multifunction steering wheel control unit |
| SC10 | 30A | Amplifier |
| SC11 | 15A | 2004-2009: Rear lid control unit |
| SC11 | 20A | Alarm horn (2004-2009) Convenience system central control unit Left sliding door control unit Rear lid control unit Right sliding door control unit |
| SC12 | 5A/10A | 2003: Auxiliary coolant heater relay Brake light additional relay 2004-2009: Brake light additional relay |
| SC13 | 5A | Cruise control system switch Operating unit in steering wheel Airbag coil connector and return spring with slip ring |
| SC14 | 5A | Mobile telephone operating electronics control unit |
| SC15 | 5A | Gearshift indicator control unit |
| SC16 | 5A | Control unit with display for radio and navigation system Mobile telephone operating electronics control unit (2004-2006) |
| SC17 | 5A/7,5A | Onboard power supply control unit (interior light) Positive connection -1- (30), in main wiring harrness Rear Climatronic operating and display unit (2003-2004) |
| SC18 | 5A | Rear fresh air blower switch |
| SC18 | 5A | 2004-2009: Rear Climatronic operating and display unit |
| SC19 | 5A | Automatic anti-dazzle interior mirror |
| SC20 | 10A | Onboard power supply control unit (heated exterior mirror) |
| SC21 | 5A | 2003: Interior monitor send and receive module 1 2004-2009: Anti-theft and tilt system control unit |
| SC22 | 5A | High-pressure sender Air quality sensor |
| SC23 | 5A/10A | Operating and display unit for camping equipment Auxiliary heater operating and display unit Residual heat relay Remote control receiver for auxiliary coolant heater |
| SC24 | 5A/7,5A | 2003-2004: Operating and display unit for camping equipment 2004-2009: Positive connection in roof wiring harness (interior lighting) |
| SC25 | 15A/25A | Heated driver seat regulator Heated front passenger seat regulator Heated front seats control unit Heated front passenger control unit Front passenger seat temperature sensor (2003) |
| SC26 | 10A | Tachograph (models with tachograph) |
| SC26 | 15A | 2004-2009: 12V socket 2 (Multivan without tachograph and second battery) |
| SC27 | 15A | Left fog light bulb Right fog light bulb Special vehicle fuse |
| SC28 | 5A | Mirror adjustment switch Driver door control unit (2006-2009) |
| SC29 | 25A | Auxiliary heater control unit |
| SC30 | 5A | Operating and display unit for camping equipment |
| SC30 | 5A | Auxiliary coolant heater relay |
| SC31 | 25A | Sliding sunroof adjustment control unit |
| SC31 | 5A | 2006-2009: Onboard supply charger unit (camper only) |
| SC32 | 20A | Headlight washer system relay |
| SC33 | 5A | Tachograph (models with tachograph) |
| SC33 | 15A | Tachograph (models with tachograph) Folding exterior mirror control unit (models with tachograph and electric folding exterior mirror) |
| SC33 | 15A | Folding exterior mirror control unit (2006-2009) |
| SC34 | 10A/15A/20A/25A | 2003: Vacuum pump for brakes 2004: Trailer socket 2004-2009: 12V socket 3 |
| SC35 | 10A | Onboard supply control unit (reversing light models with automatic gearbox) |
| SC36 | 5A/15A | 2003-2004: 12V socket 4 2004-2009: Operating and display unit for camping equipment 10-pin connector, purple (models with electric interface only (UF1)) |
Additional fuses
Fuses on relay carrier 1 (cockpit) 8-pin
It is under the fuse holders B and C.
| № | Amps | Connector/designation |
|---|---|---|
| A | 40A | 2003-2008: Heated rear window fuse 2008-2009: Fresh air blower fuse 2 |
| B | 30A | Window regulator single fuse |
| C | 40A | 2004-2005: Special vehicle fuse 13 |
Fuses on relay carrier 2 (cockpit) 8-pin
It is under the fuse holders B and C.
| № | Amps | Connector/designation |
|---|---|---|
| A | 40A | 2007: Fresh air blower fuse 2 |
| B | 5A | Fuse 1 |
| C | 40A | 2007-2008: Fresh air blower fuse 2 |
| 4 | Special vehicle equipment | |
| 5 | Special vehicle equipment |
Coupling station on left of seat box (10-pin)
| № | Amps | Connector/designation |
|---|---|---|
| A | 40A | Fuse 1 (30) (for models with second battery) |
| B | – | – |
| C | – | – |
| D | 40A | Auxiliary heater fuse |
Relay carrier in left seat box (8-pin)
| № | Amps | Connector/designation |
|---|---|---|
| A | – | – |
| B | – | – |
| C | 40A | 2007-2009: Fresh air blower fuse 1 |
| D | 80A | 2nd battery fuse (camper) |
| D | 80A | 2007-2009: Battery isolation relay fuse |
| D | 40A | 2007-2009: Fuse 1 (30) |
| E | – | – |
| F | 40A | Fuse 2 (30) (with second battery) |
Coupling station on left A-pillar (10-pin)
| № | Amps | Connector/designation |
|---|---|---|
| A | – | Vacant |
| B | 10A | 2004: Differential lock fuse |
| C | 15A | 2006-2009: Taxi alarm system 2 fuse |
| D | – | Vacant |
Engine Compartment Fuse Boxes
Fuse Box Location
Fuse Box Diagram (-SD-)
Assignment of the fuses in the engine compartment (fuse holder D)
| № | Amps | Function/component |
|---|---|---|
| SD1 | 5A | Radiator fan control unit Radiator fan control unit 2 |
| SD2 | 5A | Additional coolant pump relay |
| SD3 | 15A | Magnetic clutch control unit Cut-out relay for air conditioning system magnetic coupling |
| SD4 | 30A | ABS control unit |
| SD5 | 15A | Automatic gearbox control unit |
| SD6 | 30A | ABS control unit |
| SD7 | 5A | Radiator fan control unit 2 |
| SD8 | 15A | Lambda probe 2 heater Lambda probe 2 heater after catalytic converter |
| SD9 | 5A | Terminal 30 voltage supply relay Engine control unit |
| SD10 | 5A | Secondary air pump relay Additional coolant pump relay Exhaust gas recirculation valve Charge pressure control solenoid valve Activated charcoal filter system solenoid valve 1 Secondary air inlet valve Variable intake manifold flap change-over valve Exhaust gas recirculation cooler change-over valve Fuel system diagnostic pump |
| SD11 | 5A | 2003: Power steering control unit |
| SD12 | 5A | Heater element for crankcase breather Exhaust gas recirculation valve (2003) |
| SD13 | 10A | Injector, cylinder 4 Injector, cylinder 5 Injector, cylinder 6 |
| SD14 | 5A | Fuel pump relay Engine control unit |
| SD15 | 10A | Reversing light switch |
| SD16 | 5A | Air mass meter |
| SD17 | 5A | TCS and ESP button ABS control unit |
| SD18 | 5A | 2004-2006: Onboard power supply control unit |
| SD19 | 5A | Clutch pedal switch Brake pedal switch |
| SD20 | 5A | Air mass meter Engine control unit |
| SD21 | 5A | 2004-2009: Exhaust gas recirculation valve |
| SD22 | 10A | Injector, cylinder 1~4 |
| SD23 | 25A | Automatic gearbox relay |
| SD24 | 5A | Multifunction switch |
| SD25 | 25A | Engine control unit (2004-2009) Ignition transformer (2004-2009) Ignition coil 4 with output stage Ignition coil 5 with output stage Ignition coil 6 with output stage Fuse 13 on fuse holder D (2004-2009) |
| SD26 | 25A | Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition coil 3 with output stage Fuse 22 on fuse holder D (2004-2009) |
| SD27 | 5A | Additional coolant pump relay |
| SD28 | 15A | 2004-2009: Treble tone horn |
| SD29 | 10A/20A | 2003: Speedometer sender 2004-2009: Vacuum pump for brakes |
| SD30 | 15A | Fuel system pressurisation pump Fuel pump relay Residual heat relay |
| SD31 | 10A/15A | Lambda probe heater Lambda probe 1 heater after catalytic converter |
| SD32 | 30A | Engine control unit |
| SD32 | 5A | Electric fuel pump 2 relay |
| SD33 | 5A | Hall sender Glow plug relay Additional coolant pump relay |
| SD34 | 5A | 2003: Radiator fan control unit 2004-2009: Onboard power supply control unit |
| SD35 | 10A | Engine control unit Variable intake manifold change-over valve Inlet camshaft control valve 1 Exhaust camshaft control valve 1 |
| SD36 | 25A/30A/40A | Starter inhibitor relay |
High power fuses (-SA-)
| № | Amps | Function/component |
|---|---|---|
| 1 | 150A/175A/200A/225A | C -Alternator |
| 2 | 125A | X-contact relief relay Window regulator single fuse Heated rear window fuse Positive connection -2- (30), in main wiring harrness Positive connection -4- (30), in main wiring harrness Positive connection -5- (30), in main wiring harrness Positive connection -6- (30), in main wiring harrness Positive connection -7- (30), in main wiring harrness Positive connection -8- (30), in main wiring harrness Positive connection -9- (30), in main wiring harrness Positive connection -10- (30), in main wiring harrness |
| 3 | 50A/100A | Battery isolation relay Left sliding door control unit Second battery charging circuit relay Right sliding door control unit Fuse 1 (30) Fuse 2 (30) |
| 4 | 70A/125A | Positive connection (30), in engine compartment wiring harness |
| 5 | 50A | 2003-2004: Onboard power supply control unit (up to January 2004) / Fuse 18 on fuse holder D (from January 2004) 2004: Fuse 2 Electric socket 2 Electric socket 3 2006-2009: Fuse 4 on fuse holder D Fuse 6 on fuse holder D |
| 6 | 50A/60A | Glow plug relay Automatic glow period control unit (2004-2009) Secondary air pump relay |
| 7 | 60A/70A/80A | Radiator fan control unit Radiator fan control unit 2 |
| 8 | 30A/40A/50A | Radiator fan control unit Radiator fan control unit 2 |
| 9 | 100A | Ignition/starter switch Positive connection (30), in main wiring harness Positive connection -3- (30), in main wiring harrness Positive connection -12- (30), in main wiring harrness |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.