Audi Allroad C5 is an all-wheel drive all-terrain station wagon made on the Audi A6 platform. Released in 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006. After that, the model has undergone a generation update. Our material presents Audi Allroad fuses and relay boxes with diagrams and decoding of their elements.
Contents
Locations
- 3-slot mounting box
- 8-slot mounting box
- Central switchgear with relay box
- Main fuse box
- 13-slot mounting box
- Mounting box in plenum box
3-slot mounting box
Diagram
Designation
| 1 | Low heat output relay – J359 Brake servo relay – J569 |
| 2 | Auxiliary heater relay – J8 Solar isolation relay – J354 |
| 3 | High power 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 LHD) |
| D | Auxiliary Heater Fuse – S109 Fuel Pump Fuse – S81 (RS6 RHD ) |
8-slot mounting box
This relay box is located behind the central switchgear. Here is a diagram of it.
Assignment
| 1 | Relay for solenoid valves – ABS with ESP – J106 |
| 2 | Radiator fan relay (2nd speed) – J101 |
| 3 | Radiator fan relay – J26 Relay for pumping coolant after engine shutdown -J151 |
| 4 | Radiator fan switch 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 | Thermal fuse for driver’s seat adjustment – S44 (Allroad) |
| 15 | Fuse for 12V connector – S184 |
| 16 | Thermal fuse for front power windows – S37 |
| 17 | Thermal fuse for rear power windows – S43 |
| 18 | ABS block fuse – S123 |
| 19 | Radiator fan fuse – S42 |
| 20 | Fuse for radiator fan control unit – S142 |
| 21 | Driver’s seat adjustment thermo- fuse – S44 Radiator fan fuse – S42 (Allroad) |
| 22 | Air Suspension Fuse – S110 (Allroad) |
| 24 | Thermal fuse for passenger seat adjustment – S80 |
Burnt air suspension compressor relay, a possible reason for its incorrect operation.
Central switchgear
Diagram
Protected components
| 1 | Horn relay – J4 |
| 2 | Relay X contact unloading – J59 |
| 3 | Reducing range hydraulic pump relay – J555 (Allroad) |
| 4 | Fuel pump relay – J17 (petrol 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 alarm control unit II – S181 (taxi) Fuse C – S204 (police cars) Fuse for emergency exit rear cover – S195 (special vehicles) Fuse for multifunction steering wheel control unit – S326 |
Main fuse box
Located on the left end of the dashboard under the protective cover.
Check the diagram description with the table on the back of the cover.
Circuits protected
| Purpose of fuses | ||
| No. | A | Consumer |
| 1 | 5 | Heater for jets, mirrors |
| 2 | 10 | Direction indicators |
| 3 | 5 | Lighting. Headlight cleaner relay |
| 4 | 5 | License plate lighting |
| 5 | 10 | Instrument cluster, seat heating, diagnostic plug for cruise control, light bulb status control unit, catalytic converter, switch illumination, gear indicator, airbag warning light, air conditioning, parking heater, rear window blind, sunroof, parking aid sensors |
| 6 | 5 | central locking |
| 7 | 10 | ABS, brake light switch. Clutch pedal switch |
| 8 | 5 | Telephone |
| 9 | 10 | Heated mirrors |
| 10 | 5 | Automatic headlight range control |
| 11 | 10 | Cruise control (vehicles with automatic transmission), transmission control unit Multitronic |
| 12 | 10 | Self-diagnosis system |
| 13 | 10 | Stop lights |
| 14 | 10 | Interior lighting, reading lights, burglar alarms, vanity mirror lights, seat memory |
| 15 | 10 | Instrument panel, air conditioning, memory of the position of seats and rear-view mirrors, parking heater timer, navigation system |
| 16 | 5 | Vehicle stability stabilization system |
| 17 | 10 | Ride height adjuster (air suspension) |
| 18 | 10 | High beam headlight, right |
| 19 | 10 | Left high beam headlamp |
| 20 | 15 | RH low beam headlamp, headlamp tilt adjuster |
| 21 | 15 | Left low beam headlamp, headlamp tilt adjuster |
| 22 | 5 | Right side marker / parking light |
| 23 | 5 | Left side marker / parking light |
| 24 | 25 | Windscreen wiper, washer pump, intermittent mode relay |
| 25 | 30 | Heater / A / C fan, parking heater |
| 26 | 30 | Heated rear window, cabin air recirculation |
| 27 | 15 | Heated steering wheel, rear window wiper |
| 28 | 20 | Fuel pump, auxiliary pump for diesel vehicles |
| 29 | 30 | The engine control unit. |
| 30 | 20 | Sunroof |
| 31 | 15 | Reversing lights, tempomat, automatic transmission, diagnostic socket |
| 32 | 20 | The engine control unit |
| 33 | 15 | Cigarette lighter fuse |
| 34 | 15 | The engine control unit |
| 35 | 30 | Trailer coupling socket |
| 36 | 15 | Fog lights, rear fog light |
| 37 | 20 | Telephone, radio |
| 38 | 20 | Trunk lamp, central locking |
| 39 | 15 | Light alarm |
| 40 | 25 | Sound signal |
| 41 | 25 | ABS, stability stabilization system |
| 42 | 25 | Vehicle stability stabilization system |
| 43 | 5 | Radio terminal S |
| 44 | 30 | Seat heater, parking heater |
Fuse number 33 at 15A is responsible for the cigarette lighter.
13-slot mounting box
Diagram
Designation
| 1 | Horn relay – J4 |
| 2 | Alternator connection relay – J442 Anti- theft alarm control unit – J85 (taxi) Horn relay – J408 (police vehicles) Anti- theft alarm relay, light changeover – J549 (special vehicles) |
| 3 | Solar battery isolation relay -J309 Anti- theft alarm control unit – J85 (taxi) Horn relay – J408 (police vehicles) Burglar alarm relay, high-beam warning – J461 (special vehicles) |
| 4 | Starter lock relay -J207 Starter lock 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 device – J123 |
| 10 | Lamp control device – J123 |
| 11 | Control unit for folding mirrors – J351 |
| 12 | Control unit for folding mirrors – J351 |
| 13 | Servotronic control unit – J236 |
| 14 | Fuse taximeter – S182 Fuse E – S201 (police cars) Fuse hydraulic pump relay – S279 (Allroad) |
| 15 | Not used |
| 16 | Burglar Alarm Fuse – S57 (Taxi) Fuse B – S202 (Police Cars) |
| 17 | Taximeter and burglar alarm fuse – S183 (taxi) C fuse – S203 (police cars) Walkie talkie fuse – S253 (special vehicles) Fog lamp fuse – S28 (daytime running lights – Canada) |
| 18 | Installed anywhere Generator connection relay – J442 (special vehicles) Anti-theft alarm control unit II – J430 (taxi) Light alarm relay – J182 (police vehicles) Solar battery isolation relay -J309 (taxi) |
Mounting box in plenum box
Assignment
| 1 | Secondary air pump relay – J299 (RS6) |
| 1a | Radiator fan relay (Allroad) – J26 |
| 1b | Coolant circulation relay after off engine (Allroad) – J151 Relay for auxiliary coolant pump – J496 |
| 2 | Secondary air pump relay – J299 |
| 3 | Motronic supply relay – J271 (petrol engines) Diesel direct injection relay – J322 (diesel engines) Relay, anti-lock device – J64 (automatic transmission – 01J) |
| 4 | Fuel cooling pump relay – J445 Coolant pump relay after off engine – J151 (RS6) |
| 4a | Not used |
| 5 | Fuse for engine control unit – S102 Fuse for engine electronics (Allroad) – S282 |
| 6 | Not used (LHD) Glow plug fuse – S125 (V6 TDI, V8 TDI engines) Glow plug fuse – S39 ( 4-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 (LHD Vehicles) Not Used (LHD Vehicles) |
| 9 | Glow plug fuse – S125 (engines: V6 TDI, V8 TDI) Glow plug fuse – S39 (4-cylinder engines) Radiator fan fuse – S94 (Allroad) Coolant pump fuse – S78 (RS6) Not used (right-hand drive vehicles) |
| 10 | Fuel cooling pump fuse – S262 Fuse -1- (15) – S199 (automatic gearbox 01J) Fuse for radiator fan control unit – S142 (Allroad) |
Separate fuses: LHD vehicles: – Auxiliary heater – S62 (from 2001) Right-hand drive vehicles: – Auxiliary heater – S62 (from 2001) – Fuel cooling pump fuse – S262 – Fuse -1- (15) – S199 (automatic transmission 01J) – Radiator fan control unit fuse – S142 (allroad)
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What are the larger numbered relays for? (204, 370, 372, 603, etc.) The ones above the 8-slot mounting box diagram.
Thanks,
Fpak