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Audi S6 (C5; 1997 - 2005) Fuse Box Diagram

avatar Jonathan Yarden Jan 31, 2021 · 5 min. read

In this article you will find a description of fuses and relays Audi, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Fuse box driver side dash panel

Audi S6 – fuse box diagram – side dash panel

No.
A
Fused function
1 5 Heater element, left washer jet
Heater element, right washer jet
2 10 Hazard warning light switch
3 5 Glove box light
4 5 Number plate light
5 10 Oil level/oil temperature sender
Compressor regulating valve, air conditioning system
High pressure sender
Tiptronic switch
Tyre pressure monitor control unit
Bulb monitoring device
Mobile phone operating electronics control unit
Control and display unit for air conditioner/Climatronic
Air quality sensor
Navigation system with CD drive control unit
Self-levelling suspension control unit
Operating unit to control suspension height
Telephone/telematics control unit
Control unit for voice control
Parking aid control unit
Rear roller blind switch
6 5 Central locking control unit
7 10 ABS control unit
Steering angle sender
TCS/ESP button
Cruise control system brake pedal switch (diesel direct injection system)
Clutch pedal switch
8 5 Telephone/telematics control unit
Control unit for voice control
9 10 Heated exterior mirror, driver’s side Heated exterior mirror, front passenger’s side
10 5 Headlight range control, control unit
11 5 Automatic anti-dazzle interior mirror
12 10 Diagnosis connection
13 10 Brake light switch Brake light bulbs
14 10 Central locking control unit
Memory operating unit, driver’s seat
Memory operating unit, front passenger’s seat
Luggage compartment release switch
Interior monitor switch
15 10 Control unit with display in dash panel insert
Solar cell isolation relay
Navigation system with CD drive control unit
Mirror memory control unit
Auxiliary heating radio controlled receiver
16 5 Steering angle sender
17 10 Tyre pressure monitor control unit
Self-levelling suspension control unit
Two-way radio switch
Parking aid control unit
18 10 Main beam bulb, right
Main beam warning lamp
19 10 Main beam bulb, left
20 15 Dipped beam bulb, right
Headlight range control motor, right
21 15 Dipped beam bulb, left
Headlight range control motor, left
22 5 Side light bulb, right
Tail light bulb, right
23 5 Side light bulb, left
Tail light bulb, left
24 25 Automatic intermittent wash/wipe relay
Intermittent wiper control
25 30 Control and display unit for air conditioner/Climatronic
Solar cell isolation relay
Fresh air blower
Magnetic coupling relay
Auxiliary heater relay
26 30 Control and display unit for air conditioner/Climatronic
Heated rear window switch
27 15 Heated steering wheel
Rear window wiper motor
28 20 Fuel pump (pre-supply pump)
Fuel pump control unit
Fuel pump relay
29 30 20 Ignition coil with output stage (engine code BAS)
Motronic control unit (engine code BAS)
Output stage Ignition coil with output stage
Motronic control unit
Camshaft timing adjustment valves
30 20 Sliding sunroof adjustment control unit
31 15 Starter inhibitor and reversing light relay
Hazard warning light switch
Reversing light switch
Diagnosis connection
Multi-function switch
Ignition cut-off delay relay
Automatic gearbox control unit
32 20 Injectors
Cruise control system switch
33 15 Cigarette lighter
Cigarette lighter, rear
34 15 Secondary air pump relay
Solenoid valves
Secondary air inlet valve
Turbocharger divert air valve
Air mass meter
Heater for lambda probes
Intake manifold change-over valve
35 30 Trailer socket
36 15 Front and rear fog light switch
37 20 Radio
Amplifier with bass loudspeaker
Aerial selection control unit
Operating electronics control unit, navigation
Navigation/TV tuner
Navigation interface
Chip card reader unit
38 20 Central locking control unit
39 15 Hazard warning light switch
40 25 Dual tone horn relay
41 25 Relay for ABS solenoid valves (allroad models)
42 25 ABS control unit
43 5 Radio
Operating electronics control unit, navigation
44 30 Auxiliary heater relay
Solar cells isolation relay 2
Heated driver’s seat regulator
Heated front passenger’s seat regulator
Heated rear left seat switch with regulator
Heated rear right seat switch with regulator

13-point relay carrier, behind driver’s storage compartment

Audi S6 – fuse box diagram -13-point relay carrier, behind driver’s storage compartment

No. Function
1 Dual tone horn relay (telematics – USA) – J4
2 Alternator cut-in relay – J442
Alarm system control unit (taxi) – J85
Siren relay (police vehicles) – J408
Alarm system relay, light change-over (special vehicles) – J549
3 Solar cell isolation relay – J309
Alarm system control unit (taxi) – J85
Siren relay (police vehicles) – J408
Alarm system relay 2, intermittent main beam (special vehicles) – J461
4 Starter inhibitor relay – J207
Starter inhibitor and reversing light relay – J226
5 Magnetic coupling relay – J44
Auxiliary heater relay – J8
6 Fog light relay – J5
Fuel pump relay (TDI engines) – J17
7 Multi-function steering wheel control unit – J453
8 Multi-function steering wheel control unit – J453
9 Bulb monitoring device – J123
10 Bulb monitoring device – J123
11 Exterior mirror fold system control unit – J351
12 Exterior mirror fold system control unit – J351
13 Servotronic control unit – J236
14 Taximeter fuse – S182
Fuse E (police vehicles) – S201
Hydraulic pump relay fuse (allroad models) – S279
15 Not used
16 Alarm system fuse (taxi) – S57
Fuse B (police vehicles) – S202
17 Taximeter and alarm system fuse (taxi) – S183
Fuse C (police vehicles) – S203
Intercom system fuse (special vehicles) – S253
Fog light fuse (daytime driving lights – Canada) – S28
18 Fitted at any vacant points
Alternator cut-in relay – J442 (special vehicles)
Alarm system II control unit – J430 (taxi)
Flasher relay for main beam headlight alarm system – J182 (police vehicles)
Solar cell isolation relay – J309 (taxi)

Micro-central electrics, behind driver’s storage compartment

Audi S6 – fuse box diagram – micro-central electrics, behind driver’s storage compartment

No.
Function
1 Dual tone horn relay – J4
2 X contact relief relay – J59
3 Low range gearing hydraulic pump relay (allroad models) – J555
4 Fuel pump relay (petrol engines) – J17
Relay for glow plugs (diesel engines) – J52
5 Automatic intermittent wash/wipe relay – J31
6 Automatic intermittent wash/wipe relay – J31
A Steering column adjustment fuse – S275
B Rear roller blind fuse – S100
C Alarm system 2 fuse (taxi) – S181
Fuse C (police vehicles) – S204
Fuse for rear lid emergency release (special vehicles) – S195
Multi-function steering wheel fuse (blue) – S326, phased in from 05.02 onwards

8-point relay carrier, behind driver’s storage compartment, behind micro-central electrics (left-hand drive vehicles)

Audi S6 – fuse box diagram – 8-point relay carrier, behind driver’s storage compartment, behind micro-central electrics (left-hand drive vehicles)

No.
Function
1 Relay for solenoid valves – ABS with ESP – J106
2 Radiator fan 2nd speed relay – J101
3 Radiator fan relay – J26
Continued coolant circulation relay – J151
4 Radiator fan run-on relay – J138
5 Not used
6 Self-levelling suspension compressor relay (allroad models) – J403
7 Return flow pump relay – ABS with ESP – J105
8 Coolant shut-off valve relay – J541
14 Seat adjustment thermo-fuse, driver’s side (allroad models) – S44
15 Fuse for 12 V socket – S184
16 Front electric window thermo-fuse – S37
17 Rear electric window thermo-fuse – S43
18 ABS control unit fuse – S123
19 Radiator fan fuse – S42
20 Radiator fan control unit fuse – S142
21 Seat adjustment thermo-fuse, driver’s side – S44
Radiator fan fuse (allroad models) – S42
22 Self-levelling suspension fuse – S110
24 Seat adjustment thermo-fuse, front passenger’s side – S80
Fitted at any vacant position: Vermin repellent system fuse – S165

8-point relay carrier, behind driver’s storage compartment, behind micro-central electrics (right-hand drive vehicles)

Audi S6 – fuse box diagram – 8-point relay carrier, behind driver’s storage compartment, behind micro-central electrics (right-hand drive vehicles)

No. Function 
2 Self-levelling suspension compressor relay (allroad models) – J403
3 Radiator fan run-on relay – J138
4 Relay for solenoid valves – ABS with ESP – J106
5 Radiator fan relay – J26
6 Return flow pump relay – ABS with ESP – J105
7 Radiator fan 2nd speed relay – J101
8 Not used
9 Not used
10 Not used
11 Self-levelling suspension fuse – S110
Seat adjustment thermo-fuse, front passenger’s side – S80 (RS6 models)
12 Seat adjustment thermo-fuse, front passenger’s side – S80
Radiator fan fuse – S142 (RS6 models)
13 Front electric window thermo-fuse – S37
14 Rear electric window thermo-fuse – S43
15 Seat adjustment thermo-fuse, driver’s side – S44
16 Radiator fan fuse – S42
17 Radiator fan control unit fuse – S142
Fuse for 12 V socket – S184 (RS6 models)
18 ABS control unit fuse – S123
19 Fuse for 12 V socket – S184

Relay carrier, driver’s side, behind dash panel at central carrier

Audi S6 – fuse box diagram – relay carrier, driver’s side, behind dash panel at central carrier

No.
Function
1 Low heat output relay – J359
Brake servo relay – J569
2 Auxiliary heater relay – J8
Solar cells isolation relay 2 – J354
3 High heat output relay – J360
A Not used
B Not used
C Additional heater fuse 2 – S143
Hydraulic pump relay fuse (brake servo) – S279
Fuel pump fuse – S81 (RS6 models; left-hand drive vehicles)
D Additional heater fuse – S109
Fuel pump fuse – S81 (RS6 models; right-hand drive vehicles)

3-point relay carrier in electronics box, plenum chamber

Audi S6 – fuse box diagram – 3-point relay carrier in electronics box, plenum chamber

No.
Function
1 Secondary air pump relay – J299 (RS6 models)
1a Radiator fan relay (allroad models) – J26
1b Continued coolant circulation relay (allroad models) – J151
Additional coolant pump relay – J496
2 Secondary air pump relay – J299
3 Motronic current supply relay (petrol engines) – J271
Diesel direct injection system relay (diesel engines) – J322
Ignition cut-off delay relay (automatic gearbox 01J) – J64
4 Fuel cooling pump relay – J445
Continued coolant circulation relay – J151 (RS6 models)
4a Not used
5 Engine control unit fuse – S102
Engine electronics fuse (allroad models) – S282
6 Not used (left-hand drive vehicles)
Fuse 2 for glow plugs – engine, V6 TDI, V8 TDI – S125
Fuse for glow plugs – engine, 4-cylinder – S39
Radiator fan fuse (allroad models) – S94
7 Fuse for glow plugs – engine, V6 TDI, V8 TDI – S39
Secondary air pump fuse (petrol engines) – S130
Auxiliary heater fuse – S62 (right-hand drive vehicles) up to model year 2000
Not used (right-hand drive vehicles)
8 Auxiliary heater fuse – S62 (left-hand drive vehicles) up to model year 2000
Not used (left-hand drive vehicles
9 Fuse 2 for glow plugs – engine, V6 TDI, V8 TDI – S125
Fuse for glow plugs – engine, 4-cylinder – S39
Radiator fan fuse (allroad models) – S94
Coolant pump fuse (RS6 models) – S78
Not used (right-hand drive vehicles)
10 Fuse for fuel cooling – S262
Fuse -1- (15) (automatic gearbox 01J) – S199
Radiator fan control unit fuse (allroad models) – S142
Not used (right-hand drive vehicles)

Fuses not in relay carrier: 
Left-hand drive vehicles:
–  From model year 2001 onwards auxiliary heater fuse not in electronics box – S62
Right-hand drive vehicles:
–  From model year 2001 onwards auxiliary heater fuse not in electronics box – S62
–  Fuse for fuel cooling – S262
–  Fuse -1- (15) (automatic gearbox 01J) – S199
–  Radiator fan control unit fuse (allroad models) – S142

Fuse in plenum chamber

Audi S6 – fuse box diagram – fuse in plenum chamber

No.
Function
1 Fuse -1- (30) (applies to V8 only) – S204
2 Fuse -2- (30) – S205
3 Auxiliary heater fuse – S62

Fuse in plenum chamber (RS6 models)

Audi S6 – fuse box diagram – fuse in plenum chamber (RS6 models)

No.
Function
1 Fuse -2- (30) – S205
2 Fuse -1- (30) – S204
3 Battery screw connection

The fuses are located below coolant expansion tank.

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market

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