Audi A6 / S6 3G (C6, 2004 - 2011) fuses and relays

A6 is a family of business class cars produced under the Audi brand, the internal designation is “type C”. In this article, we will take a detailed look at the fuse diagrams for the the Audi A6 / S6 (index C6) of the 3rd generation 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 of release.

Here you will find the locations and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.

In the trunk

The distribution box is located on the left under the skin, near the jack.

Access example.

Diagram
No.	Description	A
Black panel
1	Digital/ Signal Processing (DSP)/ BOSE Amplifier	30
2	MMI, antenna amplifier	5
3	Electromechanical parking brake, left motor	30
4	Electromechanical parking brake, right motor	30
5	Socket in the trunk	20
6	Battery - Power Distribution System	5
7	Intelligent Power Distribution Unit (light on the right)	20
8	Rear Intelligent Power Distribution Unit	5
9	Rear Smart Power Distribution Unit (light left)	30
10	Power windows (right side of vehicle)	35
11	Left-hand drive models: Parking assistance. 20A Right-hand drive models: front cigarette lighter	5
12	Rear cigarette lighter	20
Brown panel
1	Reversing parking camera	5
2	Power tailgate	30
3		30
4		20
5	Antenna amplifier	5
6	TV tuner	5
7	Intelligent Power Distribution Unit (Comfort)	5
8	Heater	20
9	digital tuner	5
10	Drawbar control unit	15
11	Traction - coupling device (left lamp)	15
12	Traction - coupling device (right lamp)	15
8 - Rear defroster relay, 9 - since 2006: Auxiliary heater fuel pump relay, 10 - Fuel pump relay.

In the passenger compartment

There are three blocks.

Fuse box #1

Located at the end of the dashboard on the driver's side.

Access example.

2004 - 2008 model year

Diagram.

No.	Purpose	A
1	Spare	-
2	Spare	-
3	engine management	5
4	oil level sensor	5
5	air conditioning	5
6	electronic stability program (ESP), clutch sensor	5
7	diagnostic plug	5
8	homelink control unit	5
9	automatically shielded interior rear view mirror	5
10	distance maintenance (adaptive cruise control)	5
11	heater	5
12	diagnostic plug	10
13	steering column switch module	10
14	brake light switch	5
15	instrument cluster	10
16	telephone, telematics, mobile phone	10
17	electronic stability program (ESP)	10
18	left headlight electronics	5
19	rain sensor	5
20	heated windshield washer jets	5
21	antenna amplifier	5
22	is absent	-
23	electromechanical parking brake	5
24	is absent	-
25	is absent	-
26	is absent	-
27	is absent	-
28	is absent	-
29	is absent	-
30	is absent	-
31	reversing light switch, multitronic transmission, engine component	15
32	intelligent driver power module (footwell lighting and headlights, horn, wiper, electric steering column adjustment)	30
33	intelligent driver power module (lighting on the left)	25
34	intelligent driver power module (lighting on the right)	25
35	heater	20
36	headlight cleaner	30
37	electronic stability program (ESP)	25
38	wiper	30
39	left door control unit	15
40	horn / MMI display	25
41	heater fan	40
42	electronic ignition/electric steering column control unit	30
43	is absent	-
44	advanced key control unit / airbag	15

2008 - 2011 model year

Diagram.

No.	A	Purpose
1	-	Not used
2	-
3	5	Engine management
4	5	Audi a6 oil level sensor fuse
5	5	Climate control, tire pressure monitoring system
6	5	Electronic Stability Program (ESP), clutch sensor
7	5	Diagnostic connector
8	5	Home Link control unit
9	5	Auto dimming interior mirror
10	5	Adaptive cruise control
11	-	Not used
12	10	Diagnostic connector
13	10	Steering column switch module
14	5	2008: brake light switch
		2009-2011: not used
15	10	Instrument Cluster, Gateway Control Module
16	10	Phone, cell phone
17	10	Electronic Stability Program (ESP)
18	5	Headlight electronic, left
19	5	Rain sensor
20	5	Heated washer nozzles
21	10	Seat adjustment (driver)
22	5	MMI display
23	5	Electromechanical parking brake
24	-	Not used
25	-	Not used
26	-	Not used
27	-	Not used
28	-	Not used
29	-	Not used
30	-	Not used
31	15	Reversing light switch, transmission, engine components
32	30	Intelligent driver power module (footlights and headlights, horn, wiper system, electrically adjustable steering wheel)
33	25	Intelligent driver power supply (backlit on the left)
34	25	Intelligent driver power supply (backlit on the right)
35		Not used
36	30	Headlight washer system
37	25	Electronic Stability Program (ESP)
38	30	Wiper system
39	15	Left door control module
40	25	Sound horn
41	40	heater fan
42	30	Electronic ignition lock control unit / electrically adjustable steering wheel
43	15	Rear wiper (Avant)
44	35	Power window (left)

Fuse box #2

Located at the end of the dashboard on the passenger side.

General view.

2004 - 2008 model year

Diagram.

No.	Purpose	A
1	Keyless access control	5/15
2	Audi a6 cigarette lighter fuse	20
3	Tire pressure monitoring control unit	5
4	(Optional equipment power connector	20
5	Supply system	15
6	Door function control units	15
7	Sunroof electric control unit	20
8	Air conditioning electronic control unit	10
9	Electronic control unit for air conditioning, heated front seats	30
10	^2008: Multifunction display control unit	5/10
11	^2006: Suspension control unit	15
12	Audio system	5
13	Fuel module (fuel pump fuse)	20/30
14	^2006: Trailer electrical connector	10
15	^2006: Not used	-
16	^2008: Not used	-
17	Suspension control unit	5
18	Gear shift control unit	5
19	Parking system control unit	5
20	CAN data bus, gateway control unit	5
21	Headlight range control unit	5
22	SRS electronic control unit	5
23	Seat heater	5
24	^2006: Not used	-
25	Special automotive equipment	25
26		15
27		15
28	Special vehicle equipment, tachograph	5/10
29	Special automotive equipment	10/15
30		5/15/10
31	Special vehicle equipment, tachograph, alarm	5/25/10
32	Accessory Power Connector	15/25/10
33	Special automotive equipment	15
34	empty	-
35	empty	-
36	empty	-

2008 - 2011 model year

Diagram.

No.	A	Purpose
Panel A (black)
A1	15	Advanced Key control module
A2	20	Front cigarette lighter fuse
A3	5	Tire pressure monitoring system
A4	20	Front outlet (center console)
A5	15	Passenger Intelligent Power Module (Glove Box Lock)
A6	15	Right door control module
A7	20	Sunroof
A8	10	A/C control
A9	30	Seat heating front
A10	10/7.5	2008: MMI, Antenna Amplifier (10A);
		2009-2011: MMI (7.5A)
A11	10	Seat adjustment (passenger)
A12	5	connection
Panel B (brown)
B1	20/30	Electric fuel pump
B2	15	Adaptive air suspension
B3	10	lane assistant
B4	5	2008: not used;
		2009-2011: Audi Side Assist
B5	5	Adaptive air suspension
B6	5	Automatic transmission shift gear / clutch switch
B7	5	Acoustic parking system
B8	5	Gateway control module
B9	5	Automatic headlight beam throw adjustment (auxiliary high beam), electronic headlight, right side
B10	5	Air bag
B11	5	Heated rear seats
B12	5	telephone

Relay box

Located under the dashboard on the driver's side.

General view.

Diagram
No.	Purpose
1	Supply relay (terminal 15) -J329-
2	Headlight washer relay -J39-
3	Spare
4	Starter relay -J53-
5	Supply relay (terminal 75x) -J694- (up to 04.2005)
6	Starter relay 2 -J695-
7	Signal relay -J4-
7	Power supply relay (terminal 75x) -J694- (as of 05.2005)
8	Spare
9	Spare
A	ABS control unit fuse 1 -S123- (40A)
B	Spare
C	Spare
D	Spare

In the engine compartment

The main distribution box is located near the battery.

Diagram
No.	Description	A
1	Vacuum pump for brake booster	15
2	Engine management system	15/20/30
3	coolant circulation	10/15
	Additional coolant pump
	Exhaust camshaft valve
	Electro-hydraulic left engine mount
	Intercooler coolant pump
	MAP-controlled engine cooling thermostat
	Right electro-hydraulic engine mount solenoid
	Camshaft adjustment
	Swirl solenoid valve
	Intake camshaft valve
4	Electronic engine control unit	15
5	Engine management system	10/15
6		15
7		15
8	^2008: Electronic engine control unit	5
9	Cooling fan motor	5
10	Electronic gearbox control unit	10

Auxilary fuse box

Additional block located on the left.

No.	Description
F1	—
F2	(50A) Gasoline: Exhaust air system
F3	(40A) Active suspension system
F4	(15A) Gasoline: Cooling fan motor
F5	—
F6	—
F7	—
1	—
2	Active Suspension Compressor Relay
3	Diesel: Glow Plug Relay
4	—

Power fuses

Located on the battery.

Diagram
No.	Decryption
F1	empty
F2	Cooling fan motor (40A/60A)
F3
F4	empty
F5	empty