Audi A8 D2 facelift (1999-2002) data link connector Wiring diagrams

ABS CONTROL MODULE (BELOW LEFT SIDE OF DASH) ABS INLET VALVES ABS OUTLET VALVES ABS RETURN FLOW PUMP RELAY ABS SOLENOID VALVE RELAY ABS WARNING LIGHT BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BRAKELIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR FUSE FUSE PANEL (RIGHT FRONT FOOTWELL) GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER LEFT FRONT LEFT FRONT ABS WHEEL SPEED SENSOR LEFT REAR LEFT REAR ABS WHEEL SPEED SENSOR MOTRONIC ENGINE CONTROL MODULE (IN PLENUM CHAMBER E-BOX) RED/BLK WIRE RED/WHT WIRE RELAY & FUSE PANEL (RIGHT SIDE OF LUGGAGE COMPT) RIGHT FRONT RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR RIGHT REAR ABS WHEEL SPEED SENSOR TRACTION CONTROL OUTLET VALVES TRACTION CONTROL SWITCH- OVER VALVES WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE

ABS CONTROL MODULE (BELOW LEFT SIDE OF DASH) ABS WARNING LIGHT ASR/ESP BUTTON BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRAKE PRESSURE SENDER BRAKELIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) VACUUM VENT VALVE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR FUSE FUSE PANEL (RIGHT FRONT FOOTWELL) GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM PARKING BRAKE WARNING LIGHT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE STEERING ANGLE SENSOR TRACTION CONTROL INDICATOR TRANSVERSE ACCELERATION SENSOR VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YAW SENSOR YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

-1 +2 A/C CLUTCH A/C CLUTCH RELAY (ON RIGHT FRONT FOOTWELL E-BOX RELAY PANEL) A/C CONTROL HEAD A/C PRESSURE SWITCH BLK WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER VENT POSITION SENSOR (BEHIND UPPER CENTER OF DASH, ON HVAC ASSEMBLY) COMPUTER DATA LINES SYSTEM COOLANT PUMP (LEFT REAR OF ENGINE COMPT) DATA LINK CONNECTOR FUSE FUSE PANEL (RIGHT FRONT FOOTWELL) FUSE GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT CLUSTER COMBINATION PROCESSOR LEFT HEAT REGULATING VALVE NCA WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CENTER VENT SWITCH (BEHIND UPPER RIGHT CENTER OF DASH, ON VENT) RIGHT HEAT REGULATING VALVE SOLID STATE VIO/RED WIRE WHT/BRN WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/RED WIRE

A/C CONTROL HEAD AIR BAG CONTROL MODULE (BELOW CENTER OF DASH, ON TRANSMISSION TUNNEL) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE DATA LINK CONNECTOR FUSE GRN WIRE GRN/RED WIRE HEADLIGHT BEAM ADJUSTING CONTROL MODULE (AT BASE OF RIGHT "B" PILLAR) HOT AT ALL TIMES HOT IN RUN FUSE PANEL FUSE INSTRUMENT CLUSTER COMBINATION PROCESSOR INTERIOR MONITORING SENSORS CONTROL MODULE (LEFT SIDE OF LUGGAGE COMPT) MULTI-FUNCTION STEERING WHEEL CONTROL MODULE (ON RELAY PANEL) NAVIGATION CONTROL UNIT W/ CD PARKING AID CONTROL MODULE (BELOW CD CHANGER UNIT, ON LEFT SIDE OF LUGG COMPT) RADIO RED WIRE RED/BLU WIRE TRANSMISSION CONTROL MODULE (IN PLENUM CHAMBER E-BOX) WHT WIRE

A/C CONTROL HEAD A/C REFRIGERANT HIGH PRESSURE SWITCH (BELOW LEFT HEADLIGHT) A/C SYSTEM BLK WIRE BLK/RED WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL COMPUTER DATA LINES SYSTEM COOLANT FAN COOLANT FAN CONTROL RELAY (ON RELAY PANEL) COOLANT FAN CONTROL SERIES RESISTANCE (LOWER LEFT FRONT OF ENGINE COMPT) COOLANT FAN CONTROL THERMAL SWITCH (LOWER RIGHT SIDE OF RADIATOR) COOLANT FAN FUSE DATA LINK CONNECTOR FUSE FUSE PANEL (RIGHT FRONT FOOTWELL) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER COMBINATION PROCESSOR MOTRONIC ENGINE CONTROL MODULE (IN PLENUM CHAMBER E-BOX) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SECOND SPEED COOLANT FAN CONTROL RELAY (ON RELAY PANEL) SOLID STATE THIRD SPEED COOLANT FAN CONTROL RELAY (BELOW LEFT SIDE OF DASH) WHT/BRN WIRE WHT/RED WIRE

2000- 2001 2002- 2003 BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/YEL WIRE DATA LINK CONNECTOR FUSE OFF FUSE PANEL (RIGHT FRONT FOOTWELL) GRN WIRE GRN/RED WIRE GRY WIRE GRY/GRN WIRE HEAD HOT AT ALL TIMES HOT IN HOT IN RUN OR START IGNITION SWITCH INSTRUMENT CLUSTER LEFT HEADLIGHT BEAM ADJUSTING MOTOR LIGHT SWITCH OFF PARK RED/BLU WIRE RED/YEL WIRE RIGHT FRONT LEVEL CONTROL SYSTEM SENSOR LEFT FRONT LEVEL CONTROL SYSTEM SENSOR RIGHT HEADLIGHT BEAM ADJUSTING MOTOR RUN WIRE VEHICLE SPEED SIGNAL VIO/BRN WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

ABS CONTROL MODULE (W/EDL) (BELOW LEFT SIDE OF DASH) ABS WARNING AIR BAG MIL ANTI-THEFT IMMOBILIZER ANTI-THEFT IMMOBILIZER INDUCTION COIL BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL BRAKE FLUID WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE PAD WEAR IND BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COMBINATION PROCESSOR COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR DIGITAL CLOCK ECT GAUGE ENGINE COOLANT TEMPERATURE SENSOR EPC WARNING FUEL GAUGE FUEL RESERVE WARNING FUSE GEN WARNING GENERATOR GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER LEFT TURN SIGNAL OFF OIL PRESSURE SWITCH (RIGHT SIDE OF ENGINE) OIL PRESSURE WARNING ORG/BRN WIRE ORG/GRN WIRE ORG/VIO WIRE OUTSIDE AIR TEMP OUTSIDE AIR TEMPERATURE SENSOR PARKING BRAKE PARKING BRAKE WARNING LIGHT SWITCH (BELOW BRAKE LEVER) RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT TURN SIGNAL RUN WIRE SEAT BELT WARNING TRACTION CONTROL TRAILER OPERATION VIO WIRE VIO/BLK WIRE VIO/BLU WIRE W/ ESP WHT WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE

ABS CONTROL MODULE (W/ STABILITY CONTROL) ABS SOLENOID VALVE RELAY, ABS RETURN FLOW PUMP RELAY BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE CENTRAL ELECTRIC PANEL CIGARETTE LIGHTER CONNECTOR CONNECTOR FUSE 204 COOLANT PUMP, LEFT/RIGHT HEAT REGULATING VALVE DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS SWITCH ON RELAY, FRONT/ REAR FOG LIGHT CONTROL MODULE DAYTIME RUNNING LIGHTS SWITCH-ON RELAY DUAL HORN RELAY DUAL HORN RELAY 2 EMERGENCY FLASHER SWITCH FUSE FUSE 113 FUSE 119 FUSE 46 FUSE 123 FUSE 38 FUSE 92 FUSE 53 FUSE 54 FUSE FUSE FUSE PANEL FUSE PANEL FUSE GRN WIRE GRY WIRE IGNITION SWITCH KEY-IN IGNITION SWITCH LOAD REDUCTION RELAY LOW/HIGH TONE HORNS MOTRONIC ENGINE CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY NAVIGATION CONTROL UNIT OFF PLENUM CHAMBER E-BOX RELAY & FUSE PANEL RED WIRE RED/WHT WIRE RELAY & FUSE PANEL RIGHT FOOTWELL E-BOX AUXILIARY FUSE, RELAY PANEL RUN WIRE STARTING INTERLOCK RELAY STEERING ANGLE SENSOR STEERING WHEEL CONTROL UNIT TELEPHONE TRANSCEIVER, TELEPHONE/ TELEMATIC CONTROL MODULE TO CENTRAL ELECTRIC PANEL (DIAGRAM 2 OF 4) TO LIGHT SWITCH (DIAGRAM 2 OF 4) TRANSMISSION CONTROL MODULE VOLTAGE REGULATOR/ GENERATOR STARTER WHT WIRE WIPER/WASHER INTERMITTENT RELAY YEL WIRE YEL/BLK WIRE

2002-03 ALARM HORN ANTENNA BATTERY BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE DATA LINK CONNECTOR DRIVER'S SIDE DOOR LOCK SWITCH DRIVER'S SIDE LOCK CYLINDER LOCK SWITCH FUSE FUSE PANEL GRN WIRE GRN/BLU WIRE GRN/RED WIRE HOOD ALARM SWITCH (ON RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOT IN RUN IGNITION SWITCH INSTRUMENT CLUSTER COMBINATION PROCESSOR INTERIOR LIGHTS SYSTEM, POWER WINDOWS SYSTEM KEY SWITCH MEMORY SYSTEMS NCA WIRE OFF POWER WINDOWS SYSTEM RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FOOTWELL E-BOX AUXILIARY FUSE, RELAY PANEL STARTER STARTING INTERLOCK RELAY SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE/ TELEMATIC CONTROL MODULE TRUNK LID ALARM SWITCH (IN TRUNK LID LATCH) TRUNK LOCK ALARM/ CENTRAL LOCKING SWITCH (ON TRUNK LOCK CYLINDER HOUSING) TRUNK RELEASE SYSTEM VIO/BLU WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE