Audi A6 C5 (1997-2005) – fuse and relay diagram
Year of manufacture: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005.
Lighter fuse (power socket) in Audi A6 C5 (1997-2005) is the fuse 33 In the fuse box on the instrument panel.
Fuse box side control panel on the side of the instrument panel.
| No. |
Amps [A] |
Description |
| 1 | 5 | Heating element (left washer nozzle);
Heating element (right washer nozzle). |
| 2 | 10 | Emergency Light Switch |
| 3 | 5 | Glovebox illumination |
| 4 | 5 | License plate illumination |
| 5 | 10 | Oil level/oil temperature transmitter;
Compressor control valve; Air conditioning system; High pressure transmitter; Tiptronic switch; Control unit for the tire pressure monitor; Lamp monitoring unit; Air conditioning controller and display; Air quality sensor; Navigation system with CD; Self-leveling suspension control unit; Control unit for suspension height control; Telephone/telematic control unit; Control unit for voice control; Control unit for parking aid; Rear shutter switch… |
| 6 | 5 | Central control unit with interlock |
| 7 | 10 | ABS control unit;
Turning angle transmitter; TCS/ESP Button; Brake pedal switch for the cruise control system; (Diesel direct injection system) Clutch pedal switch. |
| 8 | 5 | Telephone/telematic control unit;
Control unit for voice control. |
| 9 | 10 | Heated outside mirror, driver’s side;
Heated exterior mirror, front passenger side. |
| 10 | 5 | Headlight range control, control unit |
| 11 | 5 | Automatic interior anti-glare mirror |
| 12 | 10 | Link to diagnostics |
| 13 | 10 | Brake light switch;
Brake lamps. |
| 14 | 10 | Central control unit with interlock
Control unit memory – driver’s seat Luggage compartment release switch; Interior monitor switch. |
| 15 | 10 | Control unit with display on the instrument panel;
Solar cell isolation relay; Navigation system with CD drive control unit; Mirror memory control unit; Radio controlled auxiliary radio receiver. |
| 16 | 5 | Steering angle transmitter |
| 17 | 10 | Control unit for the tire pressure monitor;
Self-leveling suspension control unit; Two-way radio switch; Parking aid control unit. |
| 18 | 10 | Main lamp, right;
Driving light; Warning light. |
| 19 | 10 | Main Lamp, left |
| 20 | 15 | Pass-through lamp, right;
Headlight range control motor, right. |
| 21 | 15 | Dipped-beam lamp, left;
Headlight range control motor, left. |
| 22 | 5 | Side lighting lamp, right;
Tail light bulb (red), right. |
| 23 | 5 | Side lighting lamp, left;
Tail light bulb (red), left. |
| 24 | 25 | Automatic washer;
Windshield wiper relay; Wiper control. |
| 25 | 30 | Air conditioning/air conditioning control and display;
Solar cell isolation relay; Fresh air blower; Magnetic coupling relay; Auxiliary heater relay. |
| 26 | 30 | Air conditioning control and display;
Heated rear window switch. |
| 27 | 15 | Heated steering wheel;
Rear wiper motor. |
| 28 | 20 | Fuel pump (pre-pump);
Fuel pump control unit; Fuel pump relay. |
| 29 | 30 20 | Ignition coil with output phase
(engine code BAS); Motronic control unit (engine code BAS); Output phase; Ignition coil with output phase; Motronic control unit; Camshaft control valves. |
| 30 | 20 | Controller for sliding roof adjustment |
| 31 | 15 | Start inhibitor and reverse light relay;
Emergency light switch; Reversing light switch; Connection diagnostics; Multifunction switch; Ignition cut-off delay relay; Automatic transmission 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 return air valve; Air mass meters; Lambda probe heater; Intake manifold bypass valve. |
| 35 | 30 | Trailer Socket |
| 36 | 15 | Front and rear fog light switch |
| 37 | 20 | Radio;
Amplifier with bass speaker; Antenna selection control unit; Electronic control control unit, navigation; Navigation/TV tuner; Navigation Interface; Smart card reader. |
| 38 | 20 | Central control unit with interlock |
| 39 | 15 | Emergency Light Switch |
| 40 | 25 | Two-tone sound relay |
| 41 | 25 | Relay for ABS solenoid valves
(all models). |
| 42 | 25 | ABS control unit |
| 43 | 5 | Radio;
Electronic control controller, navigation. |
| 44 | 30 | Auxiliary heater relay;
Solar cell isolation relay 2; Controller for the heated driver’s seat; Heated front passenger seat adjuster; Left rear seat heated switch; Right rear seat heated switch. |
13-point relay holder, behind the driver’s compartment
| No. | Description |
| 1 | Two Tone Relay (Telematic – USA) – J4 |
| 2 | Alternative plug-in relay – J442;
Alarm system control unit (cab) – J85; Relay siren (police vehicles) – J408; Alarm system relay, light switching (special vehicles) – J549. |
| 3 | Solar cell isolation relay – J309;
Alarm system control unit (cab) – J85; Relay siren (police vehicles) – J408; Alarm system relay 2,flashing main beam (special vehicles) – J461. |
| 4 | Start inhibit relay – J207;
Start inhibitor and reverse light relay – J226. |
| 5 | Magnetic coupling relay – J44;
Auxiliary heater relay – J8. |
| 6 | Light Fog 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 | Lamp Monitoring Device – J123 |
| 10 | Lamp Monitoring Device – J123 |
| 11 | External mirror – folding system control unit – J351 |
| 12 | External mirror – folding system control unit – J351 |
| 13 | Servo Control Unit – J236 |
| 14 | Taximeter fuse – S182;
Fuse E (police vehicles) – S201; Hydraulic pump relay fuse – S279. |
| 15 | Not used |
| 16 | Alarm system fuse (cab) – S57;
Fuse B (police vehicles) – S202. |
| 17 | Taximeter fuse and alarm system – S183;
Fuse C (police vehicles) – S203; Intercom system fuse – S253; Fog fuse – S28. |
| 18 | Mounted in any free space
Plug-in alternator – J442 (special vehicles); Alarm system control unit II – J430 (cab); Laser relay for headlight alarm system – J182; (police vehicles) Solar cell isolation relay – J309 (cab). |
Micro electrical installation, behind the driver’s compartment
| No. |
Description |
| 1 | Two Tone Relay – J4 |
| 2 | Contact Relay X – J59 |
| 3 | Hydraulic relay for hydraulic pumps;
Low range gearboxes (off-road models) – J555. |
| 4 | Fuel pump relay (gasoline engines) – J17;
Glow plug relay (diesel engines) – J52. |
| 5 | Automatic intermittent pad,
relay with switch – J31 |
| 6 | Automatic intermittent pad,
relay with switch – J31 |
| A | Fuse with steering column adjustment – S275 |
| B | Rear shutter track – S100 |
| C | 2-fuse alarm system (cabs) – S181;
Fuse C (police vehicles) – S204; Fuse for tailgate emergency release (special vehicles) – S195; Steering wheel multi-function fuse (blue) – S326, phased in starting 05.02 |
8-point relay holder, behind the driver’s compartment, behind the micro power center
| No. |
Description |
| 1 | Relay for solenoid valves –
ABS with ESP – J106 |
| 2 | Heating fan speed relay – J101 |
| 3 | Heating fan relay – J26;
Cooling circuit relay – J151. |
| 4 | Radiator fan operation relay – J138 |
| 5 | Not used |
| 6 | Self-leveling suspension compressor relay
(off-road models) – J403 |
| 7 | Return Pump Relay – ABS with ESP – J105 |
| 8 | Coolant shut-off valve relay – J541 |
| 14 | Seat thermoregulation,
driver-side thermal fuse (off-road models) – S44 |
| 15 | Fuse for 12 V Socket – S184 |
| 16 | Electric Windshield Thermal Fuse – S37 |
| 17 | Electrical thermal fuse on the back of the window – S43 |
| 18 | ABS control unit fuse – S123 |
| 19 | Heating Fan Track – S42 |
| 20 | Heating fan control unit fuse – S142 |
| 21 | Thermal fuse with seat adjustment, driver side – S44;
Radiator fan fuse (off-road models) – S42. |
| 22 | Self Leveling Suspension Fuse – S110 |
| 24 | Thermal fuse with seat adjustment, front passenger side – S80 |
Relay holder, driver’s side, behind control panel in center carrier
| No. |
Description |
| 1 | Low thermal power relay – J359;
Brake servo relay – J569. |
| 2 | Auxiliary heater relay – J8;
Solar cell isolation relay 2 – J354. |
| 3 | High Thermal Power Relay – J360 |
| A | Not used |
| B | Not used |
| C | Additional heating fuse 2 – S143;
Hydraulic pump(servo brake) relay fuse – S279; Fuel pump fuse – S81; (RS6 models; left-hand drive vehicles). |
| D | Additional heater fuse – S109;
Fuel pump fuse – S81; (RS6 models). |
3-point relay holder in electronic housing, expansion chamber
| No. |
Description |
| 1 | Secondary air pump relay – J299 (RS6 models) |
| 1a | Radiator Fan Relay (off-road models) – J26 |
| 1b | Cooling circuit relay (all-terrain models) – J151;
Additional coolant pump relay – J496. |
| 2 | Secondary air pump relay – J299 |
| 3 | Motronic power supply relay (gasoline engines) – J271;
Diesel direct injection system relay (diesel engines) – J322; Ignition cut-off delay relay (automatic transmission 01J) – J64 |
| 4 | Fuel coolant pump relay – J445;
Coolant circuit relay – J151 (RS6 models). |
| 4a | Not used |
| 5 | Engine control unit fuse – S102;
Engine electronics fuse – S282. |
| 6 | Not used
Fuse 2 for glow plugs – engine, V6 TDI, V8 TDI – S125; Fuse 2 for glow plugs – engine, 4-cylinder – S39; Fuse for radiator fan (off-road models) – S94. |
| 7 | Glow plug – engine, V6 TDI, V8 TDI – S39;
Fuse for secondary air pump (gasoline engines) – S130; Secondary heating fuse – S62 – up to model year 2000; Not used. |
| 8 | Additional heating fuse – S62 – for model year 2000;
Not used. |
| 9 | Fuse 2 for glow plugs – engine, V6 TDI, V8 TDI – S125;
Fuse 2 for glow plugs – engine, 4-cylinder – S39; Fuse for radiator fan (off-road models) – S94; Coolant pump fuse (RS6 models) – S78; Not used. |
| 10 | Fuse for fuel cooling – S262;
Fuse -1- (15)(automatic transmission 01J) – S199; Radiator fan control assembly fuse (all road models) – S142; Not used. |
Fuse in expansion chamber
| No. |
Description |
| 1 | Fuse -1- (30) (V8 only) – S204 |
| 2 | Fuse -2- (30) – S205 |
| 3 | Fuse for additional heater – S62 |
Fuse in expansion chamber (RS6 models)
| Number |
Description |
| 1 | Fuse -2- (30) – S205 |
| 2 | Fuse -1- (30) – S204 |
| 3 | Threaded battery connection |
