Audi A4 B5 (1994-1999) nca Wiring diagrams

15/A 20/B 7/B A/T ALARM HORN ANTENNA BATTERY BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL ELECTRIC PANEL CLUTCH PEDAL POSITION SWITCH DOOR LOCK SWITCH DRIVER'S DOOR HANDLE ALARM SWITCH ENGINE CONTROL MODULE (ECM) FUSE FUSE PANEL GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HANDLE ALARM SWITCH HOOD ALARM SWITCH HOT AT ALL TIMES HOT IN RUN OR ACC IGNITION SWITCH INSTRUMENT CLUSTER COMBINATION PROCESSOR KEY SWITCH M/T (AFTER 5/97) M/T (BEFORE 5/97) MULTI-FUNCTION TRANSMISSION RANGE SWITCH NCA WIRE OFF ON PASSENGER'S DOOR POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM INTERIOR LIGHTS SYSTEM RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RED/VIO WIRE RELAY STARTER STARTER INTERLOCK TRUNK LIGHT SWITCH TRUNK LOCK ALARM SWITCH VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE

ALARM IND BLK WIRE BLK/RED WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE INTERIOR MONITORING SWITCH LEFT FRONT DOOR CONTACT SWITCH LEFT REAR DOOR CONTACT SWITCH LEFT ULTRA- SOUND SENSOR NCA WIRE REAR FOG LOGHT SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT REAR DOOR CONTACT SWITCH RIGHT ULTRA- SOUND SENSOR ULTRA SOUND SENSORS CONTROL MODULE WHT WIRE YEL WIRE

A/12 B/6 BLK WIRE BLU WIRE BRN WIRE C/6 C/7 CENTRAL LOCKING/ ALARM SYSTEM/ INTERIOR LIGHT DELAY CONTROL MODULE DOOR DOOR DOOR DRIVER SIDE MIRROR FRONT INTERIOR LIGHT ASSEMBLY FUSE 14 FUSE 3 FUSE 5 FUSE PANEL GLOVE COMPT LIGHT GRN WIRE GRY WIRE HEAD OFF PARK HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER COMBINATION PROCESSOR LEFT FRONT DOOR CONTACT SWITCH LEFT LUGGAGE COMPARTMENT LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT REAR DOOR CONTACT SWITCH LEFT REAR READING LIGHT LIGHT SWITCH MIRROR ADJUSTMENT SWITCH NCA WIRE OFF RED WIRE RIGHT FRONT DOOR CONTACT SWITCH RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT REAR DOOR CONTACT SWITCH RIGHT REAR READING LIGHT SWITCH ULTRA- SOUND SENSOR CONTROL MODULE WHT WIRE YEL WIRE

ANTENNA AMPLIFIER BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE DRIVER SIDE HEATED MIRROR ENGINE CONTROL MODULE FUSE FUSE PANEL GRY WIRE HOT IN RUN HOT IN RUN OR ACC ILLUM MIRROR ADJUSTMENT SWITCH NCA WIRE ON IND. PASS. SIDE HEATED MIRROR QUATTRO RADIO REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER W/ WINDOW ANTENNA RED WIRE SOLID STATE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DRIVER BACKREST HEAT ELEMENT DRIVER SEAT HEAT REGULATING SWITCH DRIVER SEAT TEMPER- ATURE SENSOR DRIVER SEAT HEAT ELEMENT FUSE 244 FUSE 5 FUSE PANEL GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START NCA WIRE PASSENGER BACKREST HEAT ELEMENT PASSENGER SEAT HEAT ELEMENT PASSENGER SEAT HEAT REGULATING SWITCH PASSENGER SEAT TEMPER- ATURE SENSOR RED WIRE SOLID STATE WHT WIRE YEL WIRE

A/C CONTROL HEAD ABS CONTROL MODULE ABS IND. AIR BAG MALIFUNCTION IND. AIRBAG CONTROL MODULE AUTO CHECK SYSTEM BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CLOCK CONSOLE INST LIGHTING BOOSTER DIMMER SWITCH DRIVER'S DOOR CONTACT SWITCH DRIVER'S SEAT BELT SWITCH ENGINE CONTROL MODULE (ECM) ENGINE COOLANT LEVEL SWITCH ENGINE COOLANT TEMPERATURE SENSOR (ECT) ENGINE OIL PRESSURE SWITCH ENGINE OIL TEMP SENSOR FUEL GAUGE FUEL LEVEL SENSOR FUNCTION SELECT SWITCH FUSE 15 FUSE 3 FUSE 5 FUSE PANEL GEN IND. GENERATOR GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEADLIGHT SWITCH HEADLIGHT SYSTEM HEADLIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT W/ PARK OR HEADLIGHTS ON IGNITION SWITCH INSTRUMENT CLUSTER KEY SWITCH LEFT TURN IND LEFT TURN LIGHTS MINI CHECK SYSTEM CONTROL MODULE NCA WIRE OIL PRESS GAUGE PARK BRAKE IND PARKING BRAKE SWITCH RADIO REAR LAMP CONTROL MODULE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE RESET BUTTON RIGHT TURN IND RIGHT TURN LIGHTS SPEED- OMETER TACH- OMETER TEMP GAUGE TRANSMISSION CONTROL MODULE (TCM) TRIP COMPUTER CONTROL SWITCH VEHICLE SPEED SENSOR VIO WIRE VIO/BLK WIRE WARNING BUZZER WASHER FLUID LEVEL SWITCH WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE WINDSHIELD WASHER PUMP YEL WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM AUTO CHECK SYSTEM BAT(30) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/PPL WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/PPL WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR CENTRAL ELECTRIC PANEL DATA LINK CONNECTOR (REAR OF CENTER CONSOLE) DIAGNOSIS PUMP (FOR FUEL SYSTEM) FUSE 5 FUSE PANEL FUSE 32 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN ON OR START IGNITION COILS INSTRUMENT CLUSTER SYSTEM IV III KNOCK SENSOR 1 (RIGHT SIDE OF ENG) KNOCK SENSOR 2 (LEFT SIDE OF ENG) MALFUNCTION INDICATOR LAMP (MIL) MOTRONIC ENGINE CONTROL MODULE (IN LEFT REAR CORNER OF ENG COMPT) NCA WIRE POWER OUTPUT STAGE PPL PPL 5 6 PPL/BLK WIRE PPL/GRY WIRE PPL/RED WIRE PPL/YEL WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RED/WHT WIRE SPARK PLUG SPARK PLUG TRANS- MISSIONS SYSTEM TRANSMISSIONS SYSTEM WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

#1 #2 #3 #4 1 2 PPL ABS CONTROL MODULE BAROMETRIC PRESSURE SENSOR BAT(30) BLK WIRE BLK/GRN WIRE BLK/PPL WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PPL WIRE CENTRAL ELECTRIC PANEL DATA LINK CONNECTOR (REAR OF CENTER CONSOLE) ENGINE SPEED SENSOR (REAR LEFT SIDE OF ENG) EVAPORATIVE CANISTER PURGE REGULATOR VALVE (RIGHT SIDE OF ENG COMPT) FUEL INJECTORS FUEL PUMP FUEL PUMP RELAY FUSE 28 FUSE 29 FUSE 34 FUSE PANEL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HEATED OXYGEN SENSOR 1 (RIGHT SIDE OF ENG) IGN(15) MOTRONIC ENGINE CONTROL MODULE (IN LEFT REAR CORNER OF ENG COMPT) NCA WIRE OXYGEN SENSOR 1 (BEHIND 3 WAY CATALYTIC CONVERTER (TWC)) PPL PPL 5 6 PPL/GRY WIRE PPL/RED WIRE PPL/YEL WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RED/WHT WIRE TRANS- MISSIONS SYSTEM WASTEGATE BYPASS REGULATOR VALVE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM ANTILOCK BRAKES SYSTEM AUTO CHECK SYSTEM BAT(30) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/PPL WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/PPL WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR 1 CAMSHAFT POSITION SENSOR 2 CENTRAL ELECTRIC PANEL DATA LINK CONNECTOR (REAR OF CENTER CONSOLE) DIAGNOSIS PUMP (FOR FUEL SYSTEM) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT SIDE OF ENG) FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN ON OR START FUSE 5 FUSE 32 IGNITION COIL 2 IGNITION COIL 1 IGNITION COIL 3 IGNITION COILS INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR 1 (RIGHT SIDE OF ENG) KNOCK SENSOR 2 (LEFT SIDE OF ENG) (REAR LEFT SIDE OF ENG) MALFUNCTION INDICATOR LAMP (MIL) MOTRONIC ENGINE CONTROL MODULE (IN LEFT REAR CORNER OF ENG COMPT) NCA WIRE POWER OUTPUT STAGE PPL PPL 30 31 32 33 PPL/BLK WIRE PPL/RED WIRE PPL/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/PPL WIRE SOLID STATE SPARK PLUGS 2, 4 SPARK PLUGS 1, 6 SPARK PLUGS 3, 5 TEMPERATURE SENSOR II TRANS- MISSIONS SYSTEM TRANSMISSIONS SYSTEM WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE

#1 #2 #3 #4 #5 #6 1 2 PPL 13-WAY RELAY CARRIER FUSE 130 3-WAY RELAY CARRIER ABS CONTROL MODULE BAT(30) BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PPL WIRE BRN/WHT WIRE CAMSHAFT ADJUSMENT VALVE 1 CAMSHAFT ADJUSMENT VALVE 2 CENTRAL ELECTRIC PANEL ENGINE SPEED SENSOR (REAR LEFT SIDE OF ENG) EVAPORATIVE CANISTER PURGE REGULATOR VALVE (RIGHT SIDE OF ENG COMPT) FUEL INJECTORS FUEL PUMP FUEL PUMP RELAY FUSE 28 FUSE 29 FUSE 34 FUSE PANEL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/WHT WIRE GRY/YEL WIRE HEATED OXYGEN SENSOR 1 (RIGHT SIDE OF ENG) HEATED OXYGEN SENSOR 2 (LEFT SIDE OF ENG) HOT IN ON OR START IGN(15) INTAKE MANIFOLD CHANGEOVER VALVE MOTRONIC ENGINE CONTROL MODULE (IN LEFT REAR CORNER OF ENG COMPT) NCA WIRE OXYGEN SENSOR 2 (BEHIND 3 WAY CATALYTIC CONVERTER (TWC)) PPL PPL 30 31 32 33 PPL/RED WIRE PPL/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/PPL WIRE RED/YEL WIRE SECONDARY AIR INJECTION (AIR) RELAY SECONDARY AIR INJECTION PUMP MOTOR TRANS- MISSIONS SYSTEM WHT WIRE WHT/YEL WIRE YEL WIRE YEL/WHT WIRE