Audi A6 C4 (1994-1997) vio Wiring diagrams

1995 VFTC A/C CONTROL UNIT AIR FLOW FLAP AUXILIARY RELAY PANEL 2 BATTERY(30) BLK BRN/ WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL FLAP COOLANT 2-WAY VALVE DATA LINK CONNECTOR FOOTWELL/ DEFROSTER FUSE FUSE 11 FUSE 15 FUSE 42 FUSE 7 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ LIGHTS ON HOT W/ LOAD REDUCTION RELAY ENERGIZED (X) IGNITION(15) INTERIOR TEMPERATURE FAN, SENSOR RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE TEMP REGULATOR FLAP MOTOR TRANSMISSION CONTROL MODULE (A/T) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

1995 VFTC A/C CONTROL UNIT AIR FLOW FLAP AUXILIARY RELAY PANEL 2 BATTERY(30) BLK BRN/ WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL FLAP COOLANT 2-WAY VALVE DATA LINK CONNECTOR FOOTWELL/ DEFROSTER FUSE FUSE 11 FUSE 15 FUSE 42 FUSE 7 FUSE/ RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ LIGHTS ON HOT W/ LOAD REDUCTION RELAY ENERGIZED (X) IGNITION(15) INTERIOR MONITORING SENSOR CONTROL MODULE INTERIOR TEMPERATURE FAN, SENSOR RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE TEMP REGULATOR FLAP MOTOR TRANSMISSION CONTROL MODULE (A/T) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

1996 ONLY 31 46 (1995) (1996) A/C CONTROL HEAD AIRBAG CONTROL MODULE ABS CONTROL MODULE AUXILIARY RELAY PANEL 1 BLK WIRE BLU WIRE BRN WIRE CENTRAL ELECTRIC PANEL DATA LINK (DLC) CONNECTOR ENGINE CONTROL MODULE (ECM) FUSE 19 FUSE PANEL GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES RED WIRE RED/WHT WIRE TRANS- MISSION CONTROL MODULE (TCM) INSTRUMENT CLUSTER VIO WIRE WHT WIRE YEL WIRE

A/C CONTROL HEAD OUTSIDE AIR TEMP. DISPLAY A/T A/T ONLY BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH BRAKE VACUUM VENT VALVE SWITCH BRN WIRE CLUTCH VACUUM VENT VALVE SWITCH CONNECTOR STATION 1 CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE CONTROL VACUUM PUMP FUSE FUSE PANEL GRN WIRE GRN/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER M/T M/T ONLY NCA WIRE RADIO RED WIRE RED/GRN WIRE SERVOTRONIC CONTROL MODULE SPEEDO- METER VEHICLE SPEED OUTPUT TEST CONNECTOR (NEAR CRUISE CONTROL MODULE) TRANSMISSION CONTROL MODULE VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

ABS CONTROL MODULE ABS HYDRAULIC UNIT ABS IND. AIR BAG CONTROL MODULE AIR BAG MALFUNCTION IND. AIR CONDITIONING SYSTEM AUTO CHECK SYSTEM AUTO- CHECK CONTROL LIGHTS BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/YEL WIRE CENTER CONSOLE LIGHT BOOSTER CLOCK CLOCK LIGHT CLOCK SET BUTTON CONNECTOR STATION 1 CONNECTOR STATION 2 CRUISE CONTROL SYSTEM (VEHICLE SPEED OUTPUT) DIMMER SWITCH DRIVER'S DOOR CONTACT SWITCH DRIVER'S SEAT BELT SWITCH ELECTRONIC ENGINE COOLANT TEMPERATURE (ECT) THERMAL SWITCH ELECTRONIC VOICE CHECK BUTTON ENGINE CONTROL MODULE (ECM) ENGINE COOLANT LEVEL (ELC) WARNING SWITCH ENGINE OIL TEMPERATURE SENSOR FUEL GAUGE FUEL LEVEL SENSOR FUSE 15 FUSE 7 FUSE 8 FUSE PANEL GEN IND. GENER- ATOR GRN WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT IN RUN OR ACC HOT W/ PARK OR HEADLIGHTS ON IGNITION SWITCH ILLUM. LIGHTS INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR KEY SWITCH LEFT BRAKE PAD WEAR INDICATOR ELEMENT LEFT TURN IND LEFT TURN LIGHTS NCA WIRE OIL PRESSURE SWITCH PARK BRAKE IND PARKING BRAKE WARNING LIGHT SWITCH RADIO REAR LAMP CONTROL MODULE 9 3 RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT BRAKE PAD WEAR INDICATOR ELEMENT RIGHT TURN IND RIGHT TURN LIGHTS SPEED- OMETER TACH- OMETER TEMP GAUGE TRIP ODOMETER RESET SWITCH VEHICLE SPEED SENSOR VIO WIRE VIO/BLK WIRE VOLTAGE STABILIZER WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH YEL WIRE YEL/RED WIRE

1995 VFTC AMPLIFIER AUTO CHECK SYSTEM BLK WIRE BLU WIRE BRN WIRE CD CHANGER INTERFACE CD PLAYER DEFOGGER SYSTEM FUSE 92 FUSE PANEL (LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER SYSTEM LEFT ANTENNA AMPLIFIER LEFT FRONT AMPLIFIED SPEAKER LEFT REAR SPEAKER LOCK NCA WIRE POWER DISTRIBUTION SYSTEM RADIO RED WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT ANTENNA AMPLIFIER RIGHT FRONT AMPLIFIED SPEAKER RIGHT REAR SPEAKER RUN WIRE SPEAKER POWER SUPPLY RELAY VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

BAT(30) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR CENTRAL ELECTRIC PANEL CLOSED THROTTLE POSITION SWITCH/ THROTTLE POSITION SENSOR CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR (BEHIND CONSOLE) DATA LINK CONNECTOR (RAPID DATA TRANSFER) EGR TEMPERATURE SENSOR ELECTRONIC BOX FUSE 103 ENGINE COOLANT TEMPERATURE SENSOR ENGINE SPEED SENSOR GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE IGN (15) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR INTAKE MANIFOLD CHANGE-OVER VALVE KNOCK SENSOR #1 (RIGHT I/P) KNOCK SENSOR #2 MASS AIR FLOW SENSOR MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 2 OXYGEN SENSOR 1 POWER OUTPUT STAGE RED WIRE RED/BLK WIRE SHIELD 1 2 3 4 5 6 7 SOLID STATE SPARK PLUGS 1, 6 SPARK PLUGS 2, 4 SPARK PLUGS 3, 5 SPEEDO- METER VEHICLE SPEED SENSOR SPEEDOMETER TACHOMETER VIO WIRE WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

#5 #4 #3 #2 #1 ABS CONTROL MODULE BAT(30) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL COMPUTER DISPLAY UNIT DTI EGR VACUUM REGULATOR SOLENOID VALVE ELECTRONIC BOX EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE EVAPORATIVE EMISSION SENSOR FUEL INJECTORS FUEL PUMP FUEL PUMP RELAY FUSE 72 FUSE 73 FUSE BLOCK FUSE 17 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START FUSE BLOCK FUSE 14 IDLE AIR CONTROL VALVE IGN(15) MAL- FUNCTION INDICATOR LAMP (MIL) A/C CONTROL HEAD MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 1 HEATER OXYGEN SENSOR 1 HEATER, B/H TWC OXYGEN SENSOR 1, B/H TWC OXYGEN SENSOR 2 HEATER OXYGEN SENSOR 2 HEATER, B/H TWC OXYGEN SENSOR 2, B/H TWC RED WIRE SHIELD 1 2 3 4 5 6 7 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 SHIELD BAT(30) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR CENTRAL ELECTRIC PANEL CLOSED THROTTLE POSITION SWITCH/ THROTTLE POSITION SENSOR CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR (BEHIND CONSOLE) DATA LINK CONNECTOR (RAPID DATA TRANSFER) EGR TEMPERATURE SENSOR ELECTRONIC BOX FUSE 103 ENGINE COOLANT TEMPERATURE SENSOR ENGINE SPEED SENSOR GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE IGN (15) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 INSTRUMENT CLUSTER INSTRUMENT CLUSTER COMBINATION PROCESSOR INTAKE CHANGE- OVER VALVE KNOCK SENSOR #1 (RIGHT I/P) KNOCK SENSOR #2 MASS AIR FLOW SENSOR MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 1 OXYGEN SENSOR 2 POWER OUTPUT STAGE RED WIRE RED/BLK WIRE SOLID STATE SPARK PLUGS 1, 6 SPARK PLUGS 2, 4 SPARK PLUGS 3, 5 SPEEDO- METER VEHICLE SPEED SENSOR SPEEDOMETER TACHOMETER TRANSMISSION CONTROL MODULE (W/ A/T) VIO WIRE VIO/BLK WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/WHT WIRE

#1 #2 #3 #4 #5 #6 1 2 3 4 5 6 7 8 9 SHIELD A/C CONTROL HEAD ABS CONTROL MODULE AUXILIARY RELAY PANEL 3 BAT(30) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL COMPUTER DISPLAY UNIT DTI EGR VACUUM REGULATOR SOLENOID VALVE SECONDARY AIR INJECTION SOLENOID VALVE ELECTRONIC BOX EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE FUEL INJECTORS FUEL PUMP FUEL PUMP RELAY FUEL SYSTEM DIAGNOSTIC PUMP FUSE 130 FUSE 72 FUSE 73 FUSE BLOCK FUSE 14 FUSE BLOCK FUSE 17 GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT IN ON OR START IDLE AIR CONTROL VALVE IGN(15) MAL- FUNCTION INDICATOR LAMP (MIL) MFI ENGINE CONTROL MODULE NCA WIRE OXYGEN SENSOR 1 HEATER OXYGEN SENSOR 1 HEATER, B/H TWC OXYGEN SENSOR 1, B/H TWC OXYGEN SENSOR 2 HEATER OXYGEN SENSOR 2 HEATER, B/H TWC OXYGEN SENSOR 2, B/H TWC RED WIRE SECONDARY AIR INJECTION PUMP MOTOR SECONDARY AIR INJECTION PUMP RELAY TRANSMISSION CONTROL MODULE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE