Volkswagen Passat (2005-2010)

Looking for Volkswagen Passat fuse box diagrams? This article covers the Volkswagen Passat (Model Code: B6), produced from 2005 to 2010, and includes fuse box diagrams for Volkswagen Passat 2005, 2006, 2007, 2008, 2009 and 2010, along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).

Engine Compartment

Fuse Box Location

  1. Open the engine hood.
  2. Move the release buttons (1) in the direction of the arrows to unlock the fuse box cover.
  3. Remove the cover (2) upward.
  4. To install, place the cover on the fuse box. Slide release buttons against the direction of the arrows until they latch with an audible “click”.

Pre-Fuse Box Diagram (-SA-) High

High Voltage Fuses

Assignment of the high voltage fuses in engine compartment pre-fuse box (SA) E-Box High

Fuse Data
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No.AmpsDescription
SA1150A
180A (180A alternator, installed in alternator wire)		Alternator
SA280AElectromechanical power steering motor
SA3up to Oct 2005:
80A
from Nov 2005:
50A		Radiator fan control unit
SA4100Aup to Apr 2006:
Driver and front passenger seat adjustment thermal fuse 1
Left fuse holder (SC32 to SC37)
Right fuse holder (SD32 to SD37)
80AMay 2006 to Apr 2008:
Left fuse holder (SC12 to SC17, SC29 to SC31)
Right fuse holder (SD12 to SD17, SD28, SD29 to SD31)
60Afrom May 2008:
Right fuse holder (SD1 and SD2)
SA580Aup to Apr 2008:
Right fuse holder (SD22 to SD27)
from May 2006:
Driver and front passenger seat adjustment thermal fuse 1
SA6100Aup to Apr 2006:
Left fuse holder (SC12 to SC17, SC29 to SC31)
Right fuse holder (SD12 to SD17, SD28, SD29 to SD31)
80Afrom May 2006:
Left fuse holder (SC32 to SC37)
SA740AABS control unit

Pre-Fuse Box Diagram (-SA-) Low

High Voltage Fuses

Assignment of the high voltage fuses in engine compartment pre-fuse box (SA) E-Box Low

Fuse Data
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No.AmpsDescription
SA1150AAlternator
SA280AElectromechanical power steering motor
SA3up to Oct 2005:
80A
from Nov 2005:
50A		Radiator fan control unit
SA460Aup to Apr 2006:
Driver and front passenger seat adjustment thermal fuse 1
Left fuse holder (SC32 to SC37)
Right fuse holder (SD32 to SD37)

from May 2006:
Left fuse holder (SC12 to SC17, SC29 to SC31)
Right fuse holder (SD12 to SD17, SD28, SD29 to SD31) (up to Apr 2008)
SA580Aup to Apr 2008:
Right fuse holder (SD22 to SD27)
Driver and front passenger seat adjustment thermal fuse 1 (from May 2006)
60Afrom May 2008:
Driver and front passenger seat adjustment thermal fuse 1
Right fuse holder (SD1 and SD2)
SA6100Aup to Apr 2006:
Left fuse holder (SC12 to SC17, SC29 to SC31)
Right fuse holder (SD12 to SD17, SD28, SD29 to SD31)
80Afrom May 2006:
Left fuse holder (SC32 to SC37)
SA760A
100A (depending on equipment)		Auxiliary battery charge cable
Auxiliary air heater heating element
High heat output relay (from Nov 2006)
SA840AABS control unit

Fuse Box Diagram (-SB-) High

E-Box High

Fuses

Assignment of the fuses in engine compartment fuse box (SB) E-Box High

Fuse Data
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No.AmpsDescription
SB15A
15A		Automatic gearbox control unit
Mechatronic unit for dual clutch gearbox
SB230AABS control unit
SB320AConvenience system central control unit (up to Apr 2006)
Trailer detector control unit (from May 2006)
SB45AOnboard supply control unit
SB520ATreble tone horn, Bass tone horn
SB6–up to Apr 2005:
Not Assigned
20Afrom May 2005:
Ignition coils with output stages
SB7–up to Apr 2005:
Not Assigned
15A
5A		from May 2005:
Fuel pressure regulating valve
Clutch position sender
SB8–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Radiator fan control unit, Activated charcoal filter system solenoid valve 1, Camshaft control valve 1, Intake manifold flap valve, Exhaust camshaft control valve 1, Suction jet pump valve
SB9–up to Apr 2005:
Not Assigned
5Afrom May 2005:
Circulation pump relay
SB10–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Motronic current supply relay 2
SB11–up to Apr 2005:
Not Assigned
25A
30A (diesel)		from May 2005:
Engine control unit
SB12––
SB13––
SB14––
SB15–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Circulation pump
SB16up to Apr 2005:
10A
from May 2005:
5A		Steering column electronics control unit
SB175AControl unit in dash panel insert
SB1830AAmplifier, Special vehicle control unit
SB1915A
20A (RNS 510 and RNS 300, from Nov 2007)		Radio, Control unit with display for radio and navigation system, Control unit with display for TV, radio, navigation (Japan)
SB205Aup to Apr 2005:
Aerial selection control unit, Mobile telephone operating electronics control unit
5Afrom May 2005:
Aerial selection control unit (up to Apr 2006), Telephone transmitter and receiver unit (up to Apr 2006), Operating unit for preparation for mobile telephone (from May 2006), Mobile telephone operating electronics control unit (from May 2006), TV tuner (from Nov 2008), Satellite digital radio tuner (from Nov 2008)
SB21–up to Apr 2005:
Not Assigned
10Afrom May 2005:
TV tuner (up to Oct 2008), Satellite digital radio tuner (up to Oct 2008)
SB22–up to Apr 2005:
Not Assigned
7.5Afrom May 2005:
Multimedia system control unit
SB2310Aup to Apr 2005:
Terminal 15 voltage supply relay, Engine control unit
10A
5A (from May 2006)		from May 2005:
Radiator fan control unit, Magnetic field sender for compass (from May 2006)
SB24up to Apr 2005:
10A
from May 2005:
5A / 10A		Data bus diagnostic interface
SB25––
SB2610Aup to Apr 2005:
Terminal 30 voltage supply relay
10Afrom May 2005:
Main relay, Engine control unit
SB2720A
10A (diesel)		up to Apr 2005:
Ignition coils with output stages (cylinders 1-4), Ignition transformer, Electric fuel pump 2 relay, Automatic glow period control unit
–from May 2005:
Not Assigned
SB2825A
30A (diesel)		up to Apr 2005:
Engine control unit
–from May 2005:
Not Assigned
SB2915A
10A (diesel)		up to Apr 2005:
Secondary air pump relay, Exhaust gas recirculation valve, Charge pressure control solenoid valve, Exhaust gas recirculation cooler change-over valve, Lambda probe heater, Lambda probe 2 heater, Lambda probe 1 heater after catalytic converter
–from May 2005:
Not Assigned
SB3020AAuxiliary heater control unit
SB3130AWiper motor control unit
SB32–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Charge pressure control solenoid valve, Activated charcoal filter system solenoid valve 1, Turbocharger air recirculation valve
SB33–up to Apr 2005:
Not Assigned
15Afrom May 2005:
Fuel pressure regulating valve, Lambda probe heater, Lambda probe 2 heater
SB34––
SB35–up to Apr 2005:
Not Assigned
20Afrom May 2005:
Auxiliary heater operation relay
SB36––
SB37––
SB3810Aup to Apr 2005:
Radiator fan control unit, Map-controlled engine cooling system thermostat, Exhaust gas recirculation valve, Activated charcoal filter system solenoid valve 1, Camshaft control valve 1, Intake manifold flap valve, Intake manifold flap motor
–from May 2005:
Not Assigned
SB3915Aup to Apr 2005:
Fuel pressure regulating valve, Clutch position sender
–from May 2005:
Not Assigned
SB4015A
10A (diesel, engine code BLY)		up to Apr 2005:
NOx sensor control unit, Lambda probe heater, Lambda probe 1 and 2 heater after catalytic converter, Lambda probe 3 heater after catalytic converter
–from May 2005:
Not Assigned
SB41––
SB42––
SB43––
SB44–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Fuel system diagnostic pump
SB45–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Lambda probe heater, Lambda probe 1 and 2 heater after catalytic converter, Heating for Lambda probe 3 for bank 1 and 2
SB46–up to Apr 2005:
Not Assigned
10Afrom May 2005:
Lambda probe 1 heater after catalytic converter
SB4740AOnboard supply control unit – Right side light bulb, Left headlight dipped and main beam bulb, Left tail light bulb (outer light ring), Right tail light bulb (inner light ring)
SB4840AOnboard supply control unit – Left side light bulb, Right headlight dipped and main beam bulb, Right tail light bulb (outer light ring), Left tail light bulb (inner light ring)
SB4950AOnboard supply control unit (supply, terminal 15)
SB5060ASecond battery charging circuit relay
SB51––
SB5260AHeated windscreen
SB5350AOnboard supply control unit (supply, terminal 75) – Left fuse holder
SB5450Aup to Apr 2005:
Automatic glow period control unit, Secondary air pump motor
–from May 2005:
Not Assigned

Relays

Assignment of the relays in engine compartment fuse box (SB) E-Box High

Fuse Data
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No.Description
A1up to Apr 2005:
Main relay (petrol)
Terminal 30 voltage supply relay (diesel)
from May 2005:
Current bridge
A2up to Apr 2005:
Secondary air pump relay
from May 2005:
Circulation pump relay
A3up to Apr 2005:
Not Assigned
from May 2005:
Motronic current supply relay 2
A4up to Apr 2005:
Not Assigned
from May 2005:
Main relay (petrol)
A5up to Apr 2005:
Not Assigned
from May 2005:
Terminal 30 voltage supply relay (diesel)

Fuse Box Diagram (-SB-) Low

E-Box Low

Fuses

Assignment of the fuses in engine compartment fuse box (SB) E-Box Low

Fuse Data
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No.AmpsDescription
SB17.5AMultimedia system control unit
SB230AABS control unit
SB320ATreble and bass tone horn, Onboard supply control unit
SB420Aup to Apr 2006:
Convenience system central control unit
25Afrom May 2006:
Trailer detector control unit
SB55ABattery monitor control unit, Onboard supply control unit
SB65AAutomatic gearbox control unit
15AMechatronic unit for dual clutch gearbox
SB715A
20A
25A		Radio, Control unit with display for TV, radio, navigation (Japan), Control unit with display for radio and navigation system, Voltage stabiliser
SB830AMechatronic unit for dual clutch gearbox
SB95ASteering column electronics control unit
SB1020AFuel pump relay (diesel), Automatic glow period control unit (diesel), Ignition coils with final output stages (cylinders 1-4)
SB115AControl unit in dash panel insert (start/stop system)
SB125AMobile telephone operating electronics control unit, Aerial selection control unit (up to Apr 2006), Operating unit for preparation for mobile telephone (from May 2006), TV tuner (from Nov 2008), Satellite digital radio tuner (from Nov 2008)
SB1310AMain relay, Terminal 30 voltage supply relay, Engine control unit
SB1430A (diesel)
25A (petrol)		Engine control unit
SB15up to Oct 2006:
10A
from Nov 2006:
5A		Data bus diagnostic interface
SB165A
10A		Secondary air pump relay, Exhaust gas recirculation valve (diesel), Charge pressure control solenoid valve (diesel), Turbocharger air recirculation valve (diesel), Intake manifold flap valve, Exhaust gas recirculation cooler change-over valve, Lambda probe heater, Lambda probe 2 heater
SB1710A
40A		Fuel tank shut-off valve 1, 2, and 3, Low heat output relay (from Nov 2006)
SB185A
10A
30A		Low and high heat output relay (from Nov 2006), Continued coolant circulation pump, Reducing-agent heater control unit
SB1930AAmplifier, Special vehicles
SB205A
10A (engine code CBFA)
15A		Supplementary fuel pump relay, Radiator fan control unit (engine code CBAC), Automatic glow period control unit (engine code CBAC), Clutch position sender, Activated charcoal filter system solenoid valve 1, Camshaft control valve 1, Turbocharger air recirculation valve, Intake manifold flap valve, Secondary air inlet valve, Fuel pressure regulating valve
SB2120AAuxiliary heater control unit
SB2230AWiper motor control unit
SB235A
10A		Magnetic field sender for compass, Automatic glow period control unit, Map-controlled engine cooling system thermostat, Radiator fan control unit, Activated charcoal filter system solenoid valve 1, Variable intake manifold change-over valve, Camshaft control valve 1, Intake manifold flap valve, Intake manifold flap motor, Lambda probe heater, Lambda probe 1 heater after catalytic converter
SB2410A / 15A (depending on equipment)NOx sensor control unit, Lambda probe heater, Lambda probe 1, 2, and 3 heater after catalytic converter
SB2540AOnboard supply control unit – Left side light bulb, Right headlight dipped and main beam bulb, Right tail light bulb (outer light ring), Left tail light bulb (inner light ring)
SB2640AOnboard supply control unit – Right side light bulb, Left headlight dipped and main beam bulb, Left tail light bulb (outer light ring), Right tail light bulb (inner light ring)
SB2760AHeated windscreen
SB2840ASecondary air pump motor
50AAutomatic glow period control unit (diesel)
SB2950AOnboard supply control unit, X-contact relief relay
SB3050AOnboard supply control unit

Relays

Assignment of the relays in engine compartment fuse box (SB) E-Box Low

Fuse Data
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No.Description
A1Current bridge (diesel)
Secondary air pump relay (BSE, BSF, BYT, BZB, CBFA)
Auxiliary coolant pump relay (CAXA)
Relay for gas shut-off valves (CDGA)
Engine component current supply relay (BZB, CAWB, CCTA, CGYA)
A2Main relay (petrol)
Terminal 30 voltage supply relay (diesel)

Additional Relay Box (1)

The additional relay carrier is located under the E-box and is only visible when the E-box is removed.

Relays

Assignment of the relays in engine compartment under the fuse box (SB)

Fuse Data
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No.Description
C1Starter relay 1 -J906- (643)
C2Automatic glow period control unit -J179- (457)
C3Continued coolant circulation relay -J151- (449) (applicable up to October 2007)
C4Low heat output relay -J359- (53)
C5High heat output relay -J360- (100)
C6Starter relay 2 -J907- (489)

Additional Relay Box (2)

Automatic glow period control unit.

Windshield Heater Relay

In Plenum Chamber beside Engine Control Module.

Dashboard (Left)

Fuse Box Location

Fuse Box Diagram (-SC-)

Fuses

Assignment of the fuses in the passenger compartment left side (SC)

Fuse Data
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No.AmpsDescription
SC110Aup to Apr 2008:
Diagnosis connection
10Afrom May 2008:
Rear roller blind switch, Rear roller blind motor
SC25ATCS and ESP button, AUTOHOLD button
from May 2008: ABS control unit, Control unit for electromechanical parking brake
SC35APower steering control unit
from May 2008: Lighting switch, Brake light switch, Oil level and oil temperature sender
SC45Aup to Apr 2008:
Brake light switch
5Afrom May 2008:
Electronically controlled damping control unit, Trailer detector control unit, Control unit for bend lighting and headlight range control, Diagnosis connection
SC510Aup to Apr 2008:
Headlight range control regulator, Power output module for left headlight, Left headlight range control motor, Right headlight range control motor
10Afrom May 2008:
Switch and instrument illumination regulator, Headlight range control regulator, Power output module for left headlight, Left headlight range control motor
SC65Aup to Apr 2008:
Trailer detector control unit
10Afrom May 2008:
All-wheel drive control unit
SC75AControl unit in dash panel insert, Data bus diagnostic interface
SC85Aup to Apr 2008:
Rear roller blind switch (up to May 2005), Garage door operating unit (up to May 2005), Rear roller blind control unit (up to May 2005), Automatic anti-dazzle interior mirror
10Afrom May 2008:
Power output module for right headlight, Right headlight range control motor
SC910Aup to Apr 2008:
All-wheel drive control unit
10Afrom May 2008:
Airbag control unit, Seat occupied recognition control unit, Front passenger side airbag deactivated warning lamp
SC105Aup to Apr 2008:
Main relay, Engine control unit, Motronic current supply relay 2
10Afrom May 2008:
Tiptronic switch, Air mass meter, Fuel pump control unit, Main relay, Engine control unit, Motronic current supply relay 2
SC115ACrash data recorder button (Police), Taximeter (Taxi), Mirror taxi meter (Taxi), Crash data recorder, Tachograph coupling point (Police), Special signal system coupling point (Police), Warning buzzer for pedal switch on front passenger side (Driving school)
SC1210Aup to Apr 2008:
Driver door control unit, Rear right door control unit (from May 2006)
10Afrom May 2008:
Driver door control unit, Front passenger door control unit
SC1310ALighting switch, Diagnosis connection
from May 2008: Tiptronic switch
SC145Aup to Apr 2008:
Electronic steering column lock control unit
10Afrom May 2008:
Alarm horn relay (USA and Canada), Alarm horn
SC155AOnboard supply control unit (30g), Front interior light
from May 2008: Interior monitor send and receive module 1
SC1610AElectronic ignition lock
from May 2008: Electronic steering column lock control unit
SC1710Aup to Apr 2008:
Interior monitor send and receive module 1, Rain and light sensor, Vehicle inclination sender, Alarm horn, Remote control receiver for auxiliary coolant heater
5Afrom May 2008:
Electromechanical parking brake button, ABS control unit
SC18–up to Apr 2008:
Not Assigned
10Afrom May 2008:
Heater element for crankcase breather (cold-climate countries)
SC19–up to Apr 2008:
Not Assigned
7.5Afrom May 2008:
Adaptive cruise control unit, Parking aid control unit, Lane departure warning control unit, Park assist steering control unit
SC20–up to Apr 2008:
Not Assigned
5Afrom May 2008:
Garage door operating unit (not right-hand drive)
SC21–up to Apr 2008:
Not Assigned
10Afrom May 2008:
Automatic anti-dazzle interior mirror, Heated rear left and right seat switch with regulator, High-pressure sender, Air quality sensor, Fresh air blower relay, Left and right washer jet heater element, Air conditioning system control unit, Voltage monitoring relay (RSE Multimedia system)
SC2210A
5A		up to Apr 2008:
Air mass meter, Electric fuel pump 2 relay
20Afrom May 2008:
Control unit for electromechanical parking brake
SC2310Aup to Apr 2008:
Heater element for crankcase breather (cold-climate countries)
15Afrom May 2008:
Trailer detector control unit
SC245A
20A (automatic gearbox)		up to Apr 2008:
Reversing light switch, Multifunction switch, Automatic gearbox control unit, Mechatronic unit for dual clutch gearbox
20Afrom May 2008:
Control unit for electromechanical parking brake
SC2510Aup to Apr 2008:
Injectors (up to Nov 2005), Garage door operating unit (up to Apr 2006)
20Afrom May 2008:
Trailer detector control unit
SC2610Aup to Apr 2008:
Rear roller blind switch (from May 2005), Rear roller blind control unit (from May 2005)
15Afrom May 2008:
Electronically controlled damping control unit
SC275Aup to Apr 2008:
Fresh air blower relay (Climatic with supplementary coolant heater), Climatronic control unit (no supplementary coolant heater)
15A (petrol)
20A (diesel)		from May 2008:
Fuel pump relay (diesel), Electric fuel pump 2 relay (diesel), Fuel pump control unit (petrol), Relay for supplementary fuel pump (diesel)
SC2820Aup to Apr 2008:
Trailer detector control unit (from May 2006)
10Afrom May 2008:
Rear left and right door control unit, Convenience system central control unit
SC2920Aup to Apr 2008:
Trailer detector control unit – left tail light, brake light, right/left turn signal (up to Apr 2006)
Control unit for electromechanical parking brake (from May 2006)
25Afrom May 2008:
Heated rear seats control unit
SC3015Aup to Apr 2008:
Trailer detector control unit – right tail light, rear fog light, reversing lights (up to Apr 2006)
Control unit for electromechanical parking brake (from May 2006)
20Afrom May 2008:
Sliding sunroof control unit
SC3125A
15A (from Nov 2006)		up to Apr 2008:
Trailer detector control unit (up to Apr 2006), Fuel pump relay, Electric fuel pump 2 relay, Fuel pump control unit (from Nov 2006)
30Afrom May 2008:
DC/AC converter with socket, 12V-230V, Converter with socket, 12V-115V (USA)
SC3230AOnboard power supply control unit (heated rear window)
SC3320Aup to Apr 2008:
Sliding sunroof control unit
30Afrom May 2008:
Headlight washer system relay, Headlight washer system pump
SC3415Aup to Apr 2008:
Fuel system pressurisation pump
25Afrom May 2008:
Heated front seats control unit
SC3530A
25A (from Nov 2006)		up to Apr 2008:
Headlight washer system relay, Headlight washer system pump
30Afrom May 2008:
Rear left and right door control unit
SC3620Aup to Apr 2008:
Auxiliary heater operation relay (not with Climatronic)
15Afrom May 2008:
Driver seat lumbar support adjustment switch, Rake adjustment button, Backrest adjustment button
SC3725Aup to Apr 2008:
Heated front seats control unit
10Afrom May 2008:
Magnetic field sender for compass, Rain and light sensor, Climatronic control unit, Air conditioning system control unit, Reversing camera system control unit, Remote control receiver for auxiliary coolant heater, Voltage monitoring relay (RSE Multimedia system)
SC3815Aup to Apr 2008:
Trailer detector control unit (from May 2006), Cigarette lighter (up to Apr 2006), Rear cigarette lighter (up to Apr 2006)
40Afrom May 2008:
Fresh air blower relay, Fresh air blower control unit (Climatronic), Air conditioning system control unit (Climatic)
SC3940Aup to Apr 2008:
Fresh air blower control unit (Climatronic), Air conditioning system control unit
15A (6-speed auto)
5A		from May 2008:
Multifunction switch (6-speed auto), Automatic gearbox control unit (6-speed auto), Reversing light switch, Mechatronic unit for dual clutch gearbox
SC405Aup to Apr 2008:
Lighting switch
15Afrom May 2008:
Second battery charging circuit relay, Washer pump, Rear window wiper motor
SC4140A (up to Apr 2006)
15A		up to Apr 2008:
Fresh air blower (up to Apr 2006), Fresh air blower relay (up to Apr 2006), Cigarette lighter (from May 2006), Rear cigarette lighter (from May 2006)
20Afrom May 2008:
Cigarette lighter (diesel), Rear cigarette lighter (diesel)
SC4215Aup to Apr 2008:
Windscreen and rear window washer pump, Rear window wiper motor
15Afrom May 2008:
12V socket
SC4320AAuxiliary heater control unit (with auxiliary battery from May 2008)
SC4420Aup to Apr 2008:
Auxiliary heater operation relay
30Afrom May 2008:
Driver door control unit, Front passenger door control unit
SC4525Aup to Apr 2008:
12V socket, 12V socket 3 (Taxi from May 2005)
20Afrom May 2008:
Auxiliary heater operation relay (with auxiliary battery)
SC465Aup to Apr 2008:
2-way radio unit switch, Engine continues to run with no key button, Crash data recorder, Tachograph coupling point
–from May 2008:
Not Assigned
SC4715Aup to Apr 2008:
Taxi equipment (Taxi meter, Mirror taxi meter, Taxi roof sign warning lamp, Interior light warning lamp, Taxi silent alarm bulb, Alarm button illumination lamp, Glove and Luggage compartment coupling points), Police equipment (Luggage compartment light on left, Two-way radio coupling point)
10Afrom May 2008:
Telephone transmitter and receiver unit (start/stop system)
SC4820Aup to Apr 2008:
Charger coupling point (Police)
5Afrom May 2008:
Control unit in dash panel insert (start/stop system)
SC49––

Dashboard (Right)

Fuse Box Location

Fuse Box Diagram (-SD-)

Fuses

Assignment of the fuses in the passenger compartment right side (SD)

Fuse Data
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No.AmpsDescription
SD15Afrom May 2005:
Magnetic field sender for compass
SD25AControl unit for electromechanical parking brake, ABS control unit
SD35AParking aid control unit
up to Apr 2006: Magnetic field sender for compass
SD45AAdaptive cruise control unit
SD510APower output module for right headlight (gas discharge headlights)
SD65ATiptronic switch
SD75AControl unit for cornering light and headlight range control (gas discharge headlamp)
SD85AHigh-pressure sender, Oil level and oil temperature sender
SD910AFront passenger side airbag deactivated warning lamp, Airbag control unit, Seat occupied recognition control unit
SD105AFuel pump control unit (engine codes BLF, BLR, BLY, AXX, BPY, BLX, BVX, BVY, BVZ, BWA)
SD11––
SD1210AFront passenger door control unit
up to Apr 2006: Rear right door control unit
SD1310Aup to Apr 2006:
Parking aid control unit
SD145Afrom Nov 2007:
Reversing camera system control unit
SD155AClimatronic control unit, Air conditioning system control unit
SD165ATiptronic switch
SD175AElectromechanical parking brake warning lamp, ABS control unit
SD18 – SD21––
SD2230ADC/AC converter with socket, 12V-230V, Converter with socket, 12V-115V (American markets)
SD2330ARear left and right door control unit
SD2430APower latching control unit for rear left door (Variant)
SD2530APower latching control unit for rear right door (Variant)
SD26––
SD2725AHeated rear seats control unit
SD2815Aup to Apr 2006:
Fuel pump control unit (engine codes AXZ, BLV)
SD2930ADriver and front passenger door control unit
SD3020Aup to Apr 2006:
Control unit for electromechanical parking brake
20AMay 2006 to Oct 2006:
Convenience system central control unit
SD3120Aup to Apr 2006:
Control unit for electromechanical parking brake
15AMay 2006 to Oct 2006:
Fuel pump control unit
SD32––
SD3320Aup to Apr 2006:
12V socket 1 and 2
SD3415Aup to Apr 2006:
Fuel pump control unit (engine codes AXX, BPY, BLF, BLR, BLY, BLX, BVX, BVY, BVZ, BWA)
SD3520Aup to Apr 2006:
Cigarette lighter, Rear cigarette lighter
SD36 – SD37––
SD3815Afrom May 2006:
12V socket
SD3910AClimatronic control unit, Air conditioning system control unit, Second battery charging circuit relay, Left and right washer jet heater element
up to Apr 2006: Heated driver and front passenger seat regulator, Heated rear left and right seat switch with regulator
SD405Aup to Apr 2005 (Taxi):
Crash data recorder
SD4115Aup to Apr 2005 (Taxi):
Taxi meter, Mirror taxi meter, Taxi roof sign warning lamp, Interior light warning lamp, Alarm button illumination lamp, Glove and luggage compartment coupling points
SD4220Aup to Apr 2005 (Taxi):
Glove compartment coupling point
SD435ASpecial signal system coupling point (Police)
up to Apr 2005 (Taxi): Control unit for taxi alarm remote control
from May 2005 (Taxi): Glove and luggage compartment coupling points
SD4410ASpecial signal system coupling point (Police)
up to Apr 2005 (Taxi): 12V socket 3
from May 2005 (Taxi): Control unit for taxi alarm remote control

Relay Carriers

Relay Box Locations

Under dashboard on the driver side.

Relay Box (1) Diagram

Fuses

Assignment of the fuses in the passenger compartment relay box No.1

Fuse Data
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ID.AmpsDescription
A30AFront passenger seat adjustment thermal fuse 1 -S46- (From November 2005)
B15A/20A/30ADriver seat adjustment thermal fuse 1 -S44- (From November 2005)
C30AFront passenger seat adjustment thermal fuse 1 -S46- (to October 2005)
D15A/30AFuse in fuse holder -S224- (to October 2005)

Relays

Assignment of the relays in the passenger compartment relay box No.1

Fuse Data
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No.Description
1Auxiliary heater operation relay -J485- (53) (Only Climatic)
Voltage monitoring relay -J813- (Only with Multimedia RSE)
2Continued coolant circulation relay -J151- (449) (only for 1.8L / 2.0L TFSI and 1.4L BiTFSI)
Electric fuel pump 2 relay -J49- (449) (Only for Common-rail diesel engines)
Current supply relay -J16- (449) (applicable from May 2009) (Only 6-cylinder petrol engines and 1.6L / 77 kW Common Rail diesel)
3Fresh air blower relay -J13- (404), from May 2008 (449) (only auxiliary coolant heater)
4Fuel pump relay -J17- (404), from May 2008 (449)
5Electric fuel pump 2 relay -J49- (404), from May 2008 (449)
6Headlight washer system relay -J39- (53)
7Terminal 50 voltage supply relay -J682- (433), from November 2006 (53)
Terminal 50 voltage supply relay -J682- (433) (Only vehicles with 0GT emissions standard from November 2009)

Relay Box (2) Diagram

On Vehicle Electrical System Control Module, in Driver’s Footwell.

Relays

Assignment of the relays in the passenger compartment relay box No.2

Fuse Data
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No.Description
B1Terminal 15 voltage supply relay -J329- (460)
B2–
B3–
B4Terminal 30 voltage supply relay 2 -J689- (449)
B5Heated rear window relay -J9- (53)
B6Dual tone horn relay -J4- (449)
B7Double washer pump relay 1 -J729- (404)
B8Double washer pump relay 2 -J730- (404)
B9X-contact relief relay -J59- (460)

Relay Box (3) Diagram

Under instrument panel, left.

Relays

Assignment of the relays in the passenger compartment relay box No.3

Fuse Data
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No.Description
AIsolation relay for powertrain CAN bus -J788- (479)
B–
CSecond battery charging circuit relay -J713- (478)
DAlarm horn relay -J641- (53) (American markets only)

Luggage Compartment

Fuse Box Location

The fuses are located near the battery in luggage compartment behind left side panel trim (engines AXZ, BLV, BWS).

Fuse Box Diagram (-SF-)

High Voltage Fuses

Assignment of the high voltage fuses in the luggage compartment fuse box (SF)

Fuse Data
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No.AmpsDescription
SF130Afrom May 2006:
Left fuse holder (SC12 to SC17, SC29 to SC31)
Right fuse holder (SD12 to SD17, SD28, SD29 to SD31)
SF280AFuses in E-box (SB16 to SB26, SB49, SB50)
SF3125AVoltage supply, electronics box
SF45AOnboard supply control unit

Additional Fuse

70A – Saloon / 60A – Variant

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