Our article provides information about relay blocks and fuses Audi A6 C5 . The second generation Audi A6 was produced in sedan and station wagon (Avant) bodies in 1997, 1998, 1999, 2000, 2001, 2002, 2003 and 2004 and the series was designated as C5.
Locations of fuse blocks in Audi A6 C5
- 3-socket mounting block
- 8-socket mounting block
- Central switchgear with relay unit
- Main fuse block
- 13-slot mounting block
- Mounting block in the drain box
Before replacing a fuse, the relevant load must be disconnected and the ignition must be turned off.
3-socket mounting block
Scheme
Description
| 1 | Low heating power relay – J359 Brake booster relay – J569 |
| 2 | Auxiliary heater relay – J8 Solar battery relay – J354 |
| 3 | High power heating relay -J360 |
| A | Not used |
| B | Not used |
| C | Auxiliary heater fuse 2 – S143 Hydraulic pump fuse (brake booster) – S279 Fuel pump fuse – S81 (RS6 with left-hand drive) |
| D | Auxiliary heater fuse – S109 Fuel pump fuse – S81 (RS6 right-hand drive) |
8-socket mounting block
This relay block is located behind the central distribution device. Here is its diagram.
Description of the scheme
| 1 | Solenoid valve relay – ABS with ESP – J106 |
| 2 | Radiator fan relay (2nd speed) – J101 |
| 3 | Radiator fan relay – J26 Coolant pump relay after engine shut down -J151 |
| 4 | Radiator fan activation relay – J138 |
| 5 | Not used |
| 6 | Air suspension compressor relay – J403 (Allroad) |
| 7 | Hydraulic pump relay – ABS with ESP – J105 |
| 8 | Coolant shut-off valve relay – J541 |
| 14 | Driver’s seat adjustment thermal fuse – S44 (Allroad) |
| 15 | 12V connector fuse – S184 |
| 16 | Front window thermal fuse – S37 |
| 17 | Rear window thermal fuse – S43 |
| 18 | ABS unit fuse – S123 |
| 19 | Radiator fan fuse – S42 |
| 20 | Radiator fan control unit fuse – S142 |
| 21 | Driver’s seat adjustment thermal fuse – S44 Radiator fan fuse – S42 (Allroad) |
| 22 | Air suspension fuse – S110 (Allroad) |
| 24 | Passenger seat adjustment thermal fuse – S80 |
Central switchgear
scheme
Transcript
| 1 | Horn Relay – J4 |
| 2 | Unloading relay X contact – J59 |
| 3 | Relay for the hydraulic pump of the reduction gear – J555 (Allroad) |
| 4 | Fuel Pump Relay – J17 (Gasoline Engines) Glow Plug Relay – J52 (Diesel Engines) |
| 5 | Wiper and Washer Relay – J31 |
| 6 | Wiper and Washer Relay – J31 |
| A | Steering column adjustment fuse – S275 |
| B | Rear curtain fuse – S100 |
| C | Fuse for the alarm control unit II – S181 (taxis) Fuse C – S204 (police cars) Fuse for the rear emergency exit cover – S195 (special vehicles) Fuse for the multifunction steering wheel control unit – S326 |
Main fuse block
It is located on the left end of the instrument panel under a protective cover.
Check the circuit description with the table on the back of the cover.
Description of the scheme
| № | Current consumer |
| 1 | 5A Heated windshield washer jets, heated exterior mirrors. |
| 2 | 10A Turn signals |
| 3 | 5A Headlight cleaners, lighting |
| 4 | 5A License plate light |
| 5 | 10A Seat heating, lamp control, catalytic converter, switch lighting, exterior mirror switches and motors, airbag warning light, outside temperature gauge, air conditioning, permanent heating, rear curtain, sunroof, navigation system |
| 6 | 5A Central locking |
| 7 | 10A ABS control unit, brake light switches and clutch pedals |
| 8 | 5A Telephone, Telematics |
| 9 | 10A Heated mirrors |
| 10 | 5A Automatic headlight range control |
| 11 | 10A Cruise control with Multitronic automatic transmission |
| 12 | 10A Self-diagnostic system power supply |
| 13 | 10A Stop signals |
| 14 | 10A Interior lighting, reading lights, hazard warning lights, sun visor mirror, seat memory |
| 15 | 10A Instrument cluster, air conditioning, seat and mirror memory, pre-heating clock, navigation system |
| 16 | 5A Electronic stabilization system |
| 17 | 10A Navigation system |
| 18 | 10A High beam right |
| 19 | 10A High beam left |
| 20 | 10/15A Right dipped beam, right headlight leveling corrector |
| 21 | 10/15A Left dipped beam, left headlight range adjuster |
| 22 | 5A Right side marker and parking lights |
| 23 | 5A Left side marker and parking lights |
| 24 | 25A Wipers, washer pump, time interval relay |
| 25 | 30A Ventilation system fan, air conditioning, permanent heating, sunroof |
| 26 | 30A Heated rear window |
| 27 | 15A Heated steering wheel |
| 28 | 20A Fuel pump |
| 29 | 20/30A Engine electronic systems |
| 30 | 20A Lift-and-slide sunroof panel |
| 31 | 15A Reversing lights, cruise control, automatic transmission, auto-dimming interior rearview mirror. |
| 32 | 20A Electronic engine management systems |
| 33 | 15A Cigarette Lighter Fuse Audi A6 C5 |
| 34 | 15A Electronic engine management systems |
| 35 | 30A “Plus” continuous trailer power supply |
| 36 | 15A Fog lights, rear fog lights |
| 37 | 20A Telephone, radio |
| 38 | 20A Trunk light, central locking |
| 39 | 15A Emergency alarm |
| 40 | 25A Audible signal |
| 41 | 25A Anti-lock braking system/electronic stability control system |
| 42 | 25A Electronic stabilization system |
| 43 | 5A Contacts S (radio) |
| 44 | 30A Seat heating |
Fuse number 33 at 15A is responsible for the cigarette lighter.
13-slot mounting block
Scheme
Transcript
| 1 | Horn Relay J4 (Telematics USA) |
| 2 | Generator connection relay – J442 Security alarm control unit – J85 (taxis) Siren relay – J408 (police cars) Security alarm relay, light switching – J549 (special vehicles) |
| 3 | Solar battery relay -J309 Burglar alarm control unit – J85 (taxis) Siren relay – J408 (police cars) Burglar alarm relay, high beam alarm – J461 (special vehicles) |
| 4 | Starter lockout relay -J207 Starter lockout relay and reverse light – J226 |
| 5 | Magnetic clutch relay – J44 Auxiliary heater relay – J8 |
| 6 | Fog light relay – J5 Fuel pump relay – J17 (TDI engines) |
| 7 | Multifunction steering wheel control unit – J453 |
| 8 | Multifunction steering wheel control unit – J453 |
| 9 | Lamp control unit – J123 |
| 10 | Lamp control unit – J123 |
| 11 | Mirror folding control unit – J351 |
| 12 | Mirror folding control unit – J351 |
| 13 | Servotronic control unit – J236 |
| 14 | Taximeter fuse – S182 Fuse E – S201 (police cars) Hydraulic pump relay fuse – S279 (Allroad) |
| 15 | Not used |
| 16 | Security alarm fuse – S57 (taxis) Fuse B – S202 (police cars) |
| 17 | Taximeter and alarm fuse – S183 (taxis) Fuse C – S203 (police cars) Radio fuse – S253 (special vehicles) Fog light fuse – S28 (daytime running lights – Canada) |
| 18 | Installed in any free space Generator connection relay – J442 (special vehicles) Security alarm control unit II – J430 (taxis) Light alarm relay – J182 (police vehicles ) |
Mounting block in the drain box
Table with description
| 1 | Secondary pump relay – J299 (RS6) |
| 1a | Radiator fan relay (Allroad) – J26 |
| 1b | Coolant pump relay after engine shut-off (Allroad) – J151 Additional cooling system pump relay – J496 |
| 2 | Secondary pump relay – J299 |
| 3 | Motronic power supply relay – J271 (petrol engines) Diesel direct injection relay – J322 (diesel engines) Anti-lock braking system relay – J64 (automatic transmission – 01J) |
| 4 | Fuel cooling system pump relay – J445 Coolant pump relay after engine shut down – J151 (RS6) |
| 4a | Not used |
| 5 | Engine control unit fuse – S102 Engine electronics fuse (Allroad) – S282 |
| 6 | Not used (left-hand drive vehicles) Glow plug fuse – S125 (engines: V6 TDI, V8 TDI) Glow plug fuse – S39 (four-cylinder engines) Radiator fan fuse – S94 (Allroad) |
| 7 | Glow plug fuse – S39 (engines: V6 TDI, V8 TDI) Secondary air pump fuse – S130 (petrol engines) Auxiliary heater fuse – S62 (right-hand drive vehicles) Not used (right-hand drive vehicles) |
| 8 | Auxiliary heater fuse – S62 (left-hand drive vehicles) Not used (left-hand drive vehicles) |
| 9 | Glow plug fuse – S125 (engines: V6 TDI, V8 TDI) Glow plug fuse – S39 (four-cylinder engines) Radiator fan fuse – S94 (Allroad) Coolant pump fuse – S78 (RS6) Not used (vehicles with |
| 10 | Fuel cooling pump fuse – S262 Fuse -1- (15) – S199 (automatic transmission 01J) Radiator fan control unit fuse – S142 (Allroad) Not used (right-hand drive vehicles) |
Individual fuses:
Left-hand drive vehicles:
– Auxiliary heater – S62 (from 2001)
Right-hand drive vehicles:
– Auxiliary heater – S62 (from 2001)
– Fuel cooling pump fuse – S262
– Fuse -1- (9) (Automatic transmission 01J)
– Radiator fan control unit fuse – S142 (Allroad)