Audi Q7 (4L; 2007-2015) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Audi Q7 (4L; 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015).

Fuse box diagram: Audi Q7 (4L; 2007-2015)

Main fuses

It is located under driver’s seat, on the batteryMain fuses: Audi Q7

Main fuses: Audi Q7

Main fuse box (under driver’s seat)
AFunction/component
1-Relay: Terminal 15 voltage supply relay -J329-
2-Battery isolation igniter -N253-
A40Self-levelling suspension fuse -S110-
B130From June 2010:  Fuse 1 (30) -S204-
B25From June 2008:  Fuse for vehicle location system -S347-
B3-Not used
B430From June 2010:  Fuse 2 (30) -S205-
SD1150Fuse 1 on fuse holder D -SD1-
SD2125Up to May 2006:  Fuse 2 on fuse holder D -SD2-
SD2150From June 2006:  Fuse 2 on fuse holder D -SD2-
SD350Fuse 3 on fuse holder D -SD3-
SD460Fuse 4 on fuse holder D -SD4-
SD5125Fuse 5 on fuse holder D -SD5-

Engine compartment fuse box

The location of the fuses in the engine compartment: Audi Q7

Fuse box diagram (Engine compartment fuse box, petrol engine)

Fuse box diagram (Engine compartment): Audi Q7

Assignment of the fuses and relays in the Engine compartment fuse box (petrol engine)
AFunction/component
140/60Radiator fan -V7-
250Secondary air pump motor -V101-
3-Not used
440/60Radiator fan 2 -V177-
550Motor for secondary air pump 2 -V189-
6-Not used
730/20Ignition coils
85Radiator fan control unit -J293-
Radiator fan control unit 2 -J671-
915Engine control unit -J623-
Injectors
1010High-pressure sender -G65-
Coolant circulation pump -V50-
Map-controlled engine cooling system thermostat -F265-
Continued coolant circulation relay -J151-
Camshaft control valve 1 -N205-
Camshaft control valve 2 -N208-
Intake manifold flap valve -N316-
Exhaust camshaft control valve 1 -N318-
Exhaust camshaft control valve 2 -N319-
Intake manifold flap valve 2 -N403-
Charge air cooling pump -V188-
115Engine control unit -J623-
Air mass meter -G70-
125Crankcase breather heater element -N79-
1315Air mass meter -G70-
Air mass meter 2 -G246-
Activated charcoal filter solenoid valve 1 -N80-
Secondary air inlet valve -N112-
Fuel metering valve -N290-
Intake manifold flap valve -N316-
Secondary air inlet valve 2 -N320-
Fuel metering valve 2 -N402-
Oil pressure control valve -N428-
Continued coolant circulation pump -V51-
Fuel system diagnostic pump -V144-
Crankcase breather system shut-off valve -N548-
1415Lambda probe -G39-
Lambda probe 2 -G108-
1515Lambda probe downstream of catalytic converter -G130-
Lambda probe 2 downstream of catalytic converter -G131-
1630Fuel pump control unit -J538-
175Engine control unit -J623-
1815Vacuum pump for brakes -V192-
Relays
A1Starter motor relay -J53- (Up to June 2009)
Engine component current supply relay -J757- (From June 2009)
A2Starter motor relay 2 -J695- (Up to June 2009)
Motronic current supply relay -J271- (From June 2009)
A3Engine component current supply relay -J757- (Up to June 2009)
A4Secondary air pump relay -J299- (engine code BAR only) (engine codes CJTC, CJTB, CJWB, CNAA, CJWC, CTWA, CTWB, CJWE only)
A5Brake servo relay -J569- (Up to June 2009)
Starter motor relay -J53- (From June 2009)
A6Continued coolant circulation relay -J151- (Up to June 2009)
Starter motor relay 2 -J695- (From June 2009)
B1Not used
B2Not used
B3Fuel pump relay -J17- (Up to June 2009)
B4Not used
B5Fuel cooling pump relay -J445- (Up to June 2009)
B6Not used
C1Circulation pump relay -J160- (engine code BAR only)
Brake servo relay -J569- (engine codes BHK, BHL only)
Auxiliary coolant pump relay -J496- (engine codes CJTC, CJTB, CJWB, CNAA, CJWC, CTWA, CTWB, CJWE only)
C2Motronic current supply relay -J271- (Up to June 2009)

Fuse box diagram (Engine compartment fuse box, diesel engine)

Fuse box diagram (Engine compartment): Audi Q7

Assignment of the fuses and relays in the Engine compartment fuse box (diesel engine)
AFunction/component 
160Radiator fan control unit -J293-
Radiator fan -V7-
280Automatic glow period control unit -J179-
340Heater element for auxiliary air heater -Z35- (400 W)
440/60Radiator fan control unit 2 -J671-
Radiator fan 2 -V177-
560/80Glow period control unit 2 -J703-
Relay for 3rd heat setting -J959-
660/80Heater element for auxiliary air heater -Z35- (2 x 400 W)
715Map-controlled engine cooling system thermostat -F265-
Automatic glow period control unit -J179-
Throttle valve module -J338-
Low heat output relay -J359-
High heat output relay -J360-
Turbocharger 1 control unit -J724-
Turbocharger 2 control unit -J725-
Control unit for charge air cooler bypass -J865-
Exhaust gas recirculation valve -N18-
Exhaust gas recirculation cooler changeover valve -N345-
Exhaust gas recirculation cooler changeover valve 2 -N381-
Electro-hydraulic engine mounting solenoid valve -N398-
Oil pressure control valve -N428-
Cylinder head coolant valve -N489-
Intake manifold flap motor -V157-
Motor for intake manifold flap 2 -V275-
85Radiator fan control unit -J293-
Radiator fan control unit 2 -J671-
915Engine control unit -J623-
Engine control unit 2 -J624-
1010Fuel pressure regulating valve -N276-
Fuel metering valve -N290-
Fuel metering valve 2 -N402-
Fuel pressure regulating valve 2 -N484-
1110/15Lambda probe -G39-
Lambda probe 2 -G108-
Lambda probe heater -Z19-
Lambda probe 2 heater -Z28-
125/10Fuel cooling pump relay -J445-
NOx sender control unit -J583-
NOx sender 2 control unit -J881-
Fuel cooling pump -V166-
Exhaust gas recirculation cooler pump -V400-)
Particle sensor -G784-
1310/15High-pressure sender -G65-
Continued coolant circulation relay -J151-
Fuel cooling pump relay -J445-
Glow period control unit 2 -J703-
Exhaust gas recirculation cooler change-over valve 2 -N381-
Coolant circulation pump -V50-
Continued coolant circulation pump -V51-
Fuel cooling pump -V166-
Motor for intake manifold flap 2 -V275-
Exhaust gas recirculation cooler pump -V400-
145Air mass meter -G70-
Air mass meter 2 -G246-
155Engine control unit -J623-
Engine control unit 2 -J624-
1620/25Fuel system pressurisation pump -G6-
Fuel pump control unit -J538-
175/10/20Fuel pump -G23-
Pressure sender for reducing agent metering system -G686-
Reducing agent pump -V437-
Heater for reducing-agent pump -Z103-
Engine control unit -J623-
Engine control unit 2 -J624-
18Crankcase breather heater element -N79-
Crankcase breather heater element 2 -N483-
Relay for supplementary fuel pump -J832-
Supplementary fuel pump -V393-
Pressure sender for reducing agent metering system -G686-
Reducing agent pump -V437-
Heater for reducing-agent pump -Z103-
Relays
A1Automatic glow period control unit -J179-
A2Up to June 2009; V12:  Starter motor relay -J53-
From June 2009: Terminal 30 voltage supply relay -J317-
A3CCGA, CCFA, CCFC, V12:  Glow period control unit 2 -J703-
A4Up to June 2009; V12:  Starter motor relay 2 -J695-
From June 2009; CCMA, CATA: Relay for supplementary fuel pump -J832-
A5Up to June 2009:  Not used
From June 2009: Starter motor relay -J53-
A6Up to June 2009:  Relay for supplementary fuel pump -J832-
From June 2009: Starter motor relay 2 -J695-
B1CCMA, CATA, CLZB, CNRB:  Low heat output relay -J359-
B2Not used
B3Up to June 2009:  Fuel pump relay -J17-
From June 2009; CLZB, CNRB: Relay for 3rd heat setting -J959-
B4CCMA, CATA, CLZB, CNRB:  High heat output relay -J360-
B5Up to June 2009; V12:  Fuel cooling pump relay -J445-
From June 2009; CCFA: Fuel pump relay for auxiliary heater -J749-
B6CCGA, V12:  Auxiliary coolant pump relay -J496-
C1Up to June 2009; V12:  Fuel pump relay for auxiliary heater -J749-
From June 2009; CCMA, CATA, CCFA: Fuel cooling pump relay -J445
C2Up to June 2009; V12:  Terminal 30 voltage supply relay -J317-
From June 2009; CCFA: Fuel pump relay -J17-

Passenger compartment fuse box #1 (left-side)

The fuse box is located on the left side of the instrument panel, behind the coverThe location of the fuses in the passenger compartment: Audi Q7

Fuse box diagram (left side of the instrument panel)

Fuse box diagram (left side of the instrument panel): Audi Q7

Assignment of the fuses in the Instrument panel (left-side)
AFunction/component
1-Not used
210From June 2009:  Main fuse for optional equipment -S245-
3-Not used
4-Not used
A15Up to June 2010:  Not used
From June 2010: Voltage stabiliser -J532-
A25Up to June 2010:  Not used
From June 2010: Relay for automatic anti-dazzle interior mirror -J910-
A37.5Up to June 2010:  Not used
From June 2010: Control unit for information electronics 1 -J794-
A45Up to May 2010:  Tyre pressure monitor control unit -J502-
A520Auxiliary heater control unit -J364-
A610LHD:  Driver seat lumbar support adjustment switch -E176-

RHD: Front passenger seat lumbar support adjustment switch -E177-
A735LHD:
Driver door control unit -J386-
Driver side window regulator motor -V147-
Rear left door control unit -J388-
Rear left window regulator motor -V26-

RHD:
Front passenger door control unit -J387-
Rear right window regulator motor -V27-
Front passenger side window regulator motor -V148-
A815LHD:
Driver door control unit -J386-
Rear left door control unit -J388- (up to May 2008)

RHD:
Front passenger door control unit -J387-
Rear right door control unit -J389-
A95Up to May 2008:  Energy management control unit -J644-
From June 2010: From Tyre pressure monitor control unit -J502-
A1030LHD:  
Entry and start authorisation control unit -J518-
Entry​and​start​authorisation​switch -E415-
A105RHD:
Media player in position 1 -R118- (up to June 2009)
Media player in position 2 -R119- (up to June 2009)
CD changer -R41- (up to May 2010)
DVD player -R7- (up to May 2010)
MiniDisc player -R153- (up to June 2009)
Video recorder and DVD player -R129- (up to June 2009)
Connection for external audio sources -R199- (up to June 2009)
A1110LHD:  
Steering column electronics control unit -J527-

RHD: 
Rear Climatronic operating and display unit -E265-
Rear fresh air blower control unit -J391-
A125LHD:  
Interior monitoring sensor -G273-
Alarm horn -H12-

RHD: 
Comfort system central control unit -J393-
B1-Not used
B2-Not used
B315Up to June 2009:  Not used
From June 2009: Front left seat ventilation control unit -J800- 
B430Wiper motor control unit -J400-
Windscreen wiper motor -V-
B55Light/rain sensor -G397-
B625Dual tone horn relay -J4-
High tone horn -H2-
Low tone horn -H7-
B730LHD:  Onboard supply control unit -J519-
B725RHD; from June 2010:  12 V socket 3 -U19-
12 V socket 4 -U20-
B825LHD:  Onboard supply control unit -J519-
RHD: Cigarette lighter -U1-
B925LHD:  
Onboard supply control unit -J519-

RHD: 
12 V socket -U5-
12 V socket 2 -U18-
B1010LHD:
Control unit in dash panel insert -J285- (up to May 2010)
Data bus diagnostic interface -J533-
Display in dash panel insert -Y24- (up to May 2010)

RHD:
Climatronic control unit -J255-
Fresh air blower control unit -J126-
B1130Headlight washer system relay -J39-
B121016-pin connector -T16-, diagnostic connector
C110Left headlight
C25Control unit for adaptive cruise control -J428-
Sensor heater for adaptive cruise control system -Z47-
C35Direct sight Japan
display unit -J145-
Display unit button -E506-
Coolant shut-off valve relay -J541-
Heater coolant shut-off valve -N279-
C410Lane departure warning
Lane departure warning control unit -J759-
Windscreen heater for lane departure warning -Z67-
C55/10LHD:
Signal system control unit -J616-
Operating unit for special signals -E507-
From November 2007: Preparation for multimedia (9WM)

RHD:
from November 2007: Preparation for multimedia (9WM)
C65LHD:
Steering column electronics control unit -J527-
Entry and start authorisation control unit -J518-
Light switch -E1-
Comfort system central control unit -J393-
Trailer detector control unit -J345-
Tyre pressure monitor control unit -J502- (7K6) (from June 2008)

RHD:
Heated bench seat cushion for rear left seat -Z10-
Heated backrest for rear left seat -Z11-
Heated bench seat cushion for rear right seat -Z12-
Heated backrest for rear right seat -Z13-
C75Oil level and oil temperature sender -G266-
C8516-pin connector -T16-, diagnostic connector
C95Automatic anti-dazzle interior mirror -Y7-
C105Garage door operation control unit -J530-
Garage door operating unit -E284-
C115Data bus diagnostic interface -J533-
C125LHD:
Headlight range control regulator -E102-
Left headlight range control motor -V48-
Right headlight range control motor -V49-

RHD:
Air quality sensor -G238-
Rear Climatronic operating and display unit -E265-
Climatronic control unit -J255-

Passenger compartment fuse box #2 (right-side)

The fuse box is located on the right side of the instrument panel, behind the coverThe location of the fuses in the passenger compartment: Audi Q7

Fuse box diagram (right side of the instrument panel)

Fuse box diagram (right side of the instrument panel): Audi Q7

Assignment of the fuses in the Instrument panel (right-side)
AFunction/component 
15Fuse for control unit for structure-borne sound -S348-
25From June 2008:  Cool box fuse -S340-
3-Not used
4-Not used
A120Heated bench seat cushion for rear left seat -Z10-
Heated backrest for rear left seat -Z11-
Heated bench seat cushion for rear right seat -Z12-
Heated backrest for rear right seat -Z13-
A25/10Up to May 2010: Automatic gearbox control unit -J217-

From June 2010: Aerial amplifier for mobile telephone -R86-
Chip card reader control unit -J676-
Telephone bracket -R126-
A330Heated seat cushion for front left seat -Z45-
Heated seat cushion for front right seat -Z46-
A315RHD; from June 2009:  Front right seat ventilation control unit -J799-
A420ABS control unit -J104-
A515LHD:
Front passenger door control unit -J387-
Rear right door control unit -J389- (up to May 2008)

RHD:
Driver door control unit -J386-
Rear left door control unit -J388-
A625LHD:
12 V socket 3 -U19-
12 V socket 4 -U20-

RHD; up to May 2010:
12 V socket 3 -U19-
12 V socket 4 -U20-

RHD; from June 2010:
Onboard supply control unit -J519- (30A)
A710LHD: Front passenger seat lumbar support adjustment switch -E177-
RHD: Driver seat lumbar support adjustment switch -E176-
A820LHD:   Cigarette lighter -U1-
A825RHD:  Onboard supply control unit -J519-
A925LHD:  
12 V socket -U5-
12 V socket 2 -U18-

RHD: 
Onboard supply control unit -J519-
A1010LHD:
Climatronic control unit -J255-
Fresh air blower control unit -J126-

RHD:
Up to June 2010: Control unit in dash panel insert -J285-
From June 2010: Diagnostic interface for data bus -J533-
A115Up to May 2008:
Brake light switch -F-
Brake pedal switch -F47-
ABS control unit -J104-
A1115From June 2010:  Refrigerator box -J698-
A1215Onboard supply control unit 2 -J520-
B110Right headlight
B25Adaptive suspension control unit -J197-
B35Preparation for mobile telephone (9ZD)
B45Lane change assist control unit -J769-
Lane change assist control unit 2 -J770-
B55Brake light suppression relay -J508-
Clutch pedal switch -F36-
B65/20Automatic gearbox control unit -J217-
B75ABS control unit -J104-
B85Multifunction switch -F125-
Tiptronic switch -F189-
Selector lever sensors control unit -J587-
B95Control unit for parking aid -J446-
Control unit for overhead view camera -J928- (LHD; from June 2012)
B105LHD: Airbag control unit -J234-
RHD: Data bus diagnostic interface -J533-
B115LHD:
Heated rear left seat switch with regulator -E128-
Heated rear right seat switch with regulator -E129-

RHD:
Steering column electronics control unit -J527-
Entry and start authorisation control unit -J518-
Light switch -E1-
Comfort system central control unit -J393-
Trailer detector control unit -J345-
B125LHD:
Air quality sensor -G238-
Rear Climatronic operating and display unit -E265-
Climatronic control unit -J255-

RHD: Headlight range control regulator -E102-
Left headlight range control motor -V48-
Right headlight range control motor -V49-
C115Up to May 2007:  Rear window wiper motor -V12-
From June 2008: Cool box -J698-
C110From June 2010:  Control unit in dash panel insert -J285-
C25Up to June 2010: Left washer jet heater element -Z20-
Right washer jet heater element -Z21-
From June 2010: Reversing camera system control unit -J772-
C330Up to May 2010:  Onboard supply control unit -J519-
C35From June 2010:  DVD player -R7-
CD changer -R41-
C45From June 2009:  Display unit for front information display and operating unit control unit -J685-
C55/10/15Up to June 2009: Telephone transmitter and receiver unit -R36-
Up to May 2010: Telephone bracket -R126-
Chip card reader control unit -J676
From June 2010: Automatic gearbox control unit -J217-
C615Up to June 2009:  Control unit for front information display and operating unit -J523-
Aerial amplifier -R24-
 C67.5Up to June 2009:  Control unit for front information display and operating unit -J523-
Up to May 2010: Control unit for information electronics 1 -J794-
C630From June 2010:  Gearbox hydraulic pump relay -J510- (for models with start/stop system only)
Auxiliary hydraulic pump control unit -J922- (for models with start/stop system only)
C720Sliding sunroof adjustment control unit -J245-
C820Rear sliding sunroof control unit -J392-
C920Sunroof roller blind control unit -J394-
C105LHD: Media player in position 1 -R118- (up to May 2009)
Media player in position 2 -R119- (up to May 2009)
DVD player -R7- (up to May 2010)
CD changer -R41- (up to May 2010)
MiniDisc player -R153- (up to May 2009)
Video recorder and DVD player -R129- (up to May 2009)
Connection for external audio sources -R199- (from 2006 November up to May 2009)
C1030RHD: Entry and start authorisation control unit -J518-
Entry​and​start​authorisation​switch -E415-
C1135LHD:
Front passenger side window regulator motor -V148-
Rear right window regulator motor -V27-

RHD:
Driver door control unit -J386-
Driver side window regulator motor -V147-
Rear left door control unit -J388-
Rear left window regulator motor -V26-
C1210LHD:
Rear Climatronic operating and display unit -E265-
Rear fresh air blower control unit -J391-

RHD: Steering column electronics control unit -J527-

Relay and fuse carrier in center dashboard

Left-hand drive models: in center of dash panel
Right-hand drive models: in driver’s footwellRelay and fuse carrier in center dashboard: Audi Q7

Relay and fuse carrier in center dashboard
AFunction/component
B-Not used
C30Trailer detector control unit -J345- (only USA)
Brake booster (only USA)
D30Control unit for seat adjustment and steering column adjustment with memory function -J136-
Control unit for front passenger seat adjustment with memory function -J521-
E-Not used
F-Not used
G-Not used
1b40Fresh air blower -V2-
2b40ABS control unit -J104-
3b40Rear fresh air blower -V80-
4b40Heated rear window -Z1-
5b15From June 2007:  Rear window wiper motor -V12-
6b5From June 2007:  Left washer jet heater element -Z20-
Right washer jet heater element -Z21-
A1-Not used
B1-Not used
C1-Not used
D1-Not used
Relays
1Adaptive suspension compressor relay -J403-
2.1Terminal 75x voltage supply relay -J694-
2.2Dual tone horn relay -J4-
3Headlight washer system relay -J39-
4Brake light suppression relay -J508-
5Not used
6Heated rear window relay -J9-
7.1V6 TDI/FSI, V8 MPI/FSI, V12 TDI:  Continued coolant circulation relay -J151- (V6 FSI from June 2009)
7.1From June 2010:  Coolant shut-off valve relay -J541- (only for models with 6-cylinder diesel engine, generation 2)
7.2From June 2010:  Relay for automatic anti-dazzle interior mirror -J910- (only models with 8-speed automatic gearbox)
8Gearbox hydraulic pump relay -J510-
1aNot used
2aNot used
3aNot used

Fuse Box in the luggage compartment

The fuse box is located in the right side if the luggage compartment, behind the panelThe location of the fuses in the trunk: Audi Q7

Fuse box diagram (Luggage compartment)

Fuse box diagram (Luggage compartment): Audi Q7

Assignment of the fuses and relays in the Luggage compartment
AFunction/component
A115Up to May 2010:  Signal system control unit -J616-
From June 2010: Multimedia system control unit -J650-
A230Control unit for reducing agent metering system -J880-
A35/15Up to May 2010:  Adaptive suspension control unit -J197-
From June 2012: Reducing agent tank flap switch -F502-
A45Up to May 2010:  Reversing camera system control unit -J772-
Reversing camera -R189-
A55Control unit for parking aid -J446-
A615Comfort system central control unit 2 -J773-
A715Comfort system central control unit 2 -J773-
A85Remote control receiver for auxiliary heater -R64-
A92012 V socket 5 -U26-
A1020Comfort system central control unit -J393-
A1115Aerial reader unit for keyless entry system -J723-
A1230Comfort system central control unit -J393-
B115Signal system control unit -J616-
B25Operating unit for special signals -E507-
B315Two-way radio cut-off relay -J84-
Two-way radio -R8-
B415Two-way radio cut-off relay -J84-
Two-way radio -R8-
B55Radio -R-
B515From June 2010:  Signal system control unit -J616-
B65Up to June 2009:  TV tuner -R78-
B75Up to June 2009:  Navigation system with CD drive control unit -J401-
B830Up to June 2009:  Digital sound package control unit -J525-
B95Up to June 2009:  Digital radio -R147-
B1030Up to June 2009:  Digital sound package control unit 2 -J787-
B115Up to June 2009:  Reversing camera system control unit -J772-
Reversing camera -R189-
B12-Not used
C1From June 2009 up to May 2010:  Radio -R-
C17,5/30From June 2010:  Digital sound package control unit -J525-
C2 5From June 2009:  TV tuner -R78-
From June 2011: Digital TV tuner -R171-
C330From June 2009:  Digital sound package control unit -J525-
C430From June 2009:  Digital sound package control unit 2 -J787-
C515Rear Seat Entertainment (9WP, 9WK) (from November 2007 up to May 2010)
Multimedia system control unit -J650- (up to May 2010)
Adaptive suspension control unit -J197- (from June 2010)
C620Comfort system central control unit -J393-
C730Rear lid control unit -J605-
Motor in rear lid control unit -V375-
C830Rear lid control unit 2 -J756-
Motor in rear lid control unit 2 -V376-
C915Trailer detector control unit -J345-
C1015/20Trailer detector control unit -J345-
C1115/20Trailer detector control unit -J345-
C1225/30Trailer detector control unit -J345-
Hinged tow attachment ball head motor -V317-
Relays
1Not used
2Not used
3From November 2007:  6-pin, connector -T6am-, for Rear Seat Entertainment
Audi Q7 (4L; 2007-2015) fuses and relays December 10, 2018 admin