Audi A4 B5 facelift (1999-2001) micro central electric Wiring diagrams

AUTOMATIC DAY/NIGHT MIRROR AVANT BLK WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DOOR WARNING LIGHTS CONTROL MODULE (ON 8-WAY RELAY CARRIER) DRIVER SIDE HEATED MIRROR DRIVER'S SIDE DOOR CONTACT SWITCH DRIVER'S SIDE DOOR WARNING LIGHT FRONT INTERIOR LIGHT ASSEMBLY FUSE 14 FUSE 3 FUSE 5 FUSE 38 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GLOVE COMPT LIGHT MIRROR ADJUSTMENT SWITCH GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HEAD PARK HEADLIGHTS, EXTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION CIRCUIT) LEFT FOOT- WELL LIGHT LEFT LUGGAGE COMPARTMENT LIGHT LEFT MAKE-UP MIRROR LIGHT LEFT MAKE-UP MIRROR SWITCH LEFT REAR DOOR CONTACT SWITCH LEFT REAR DOOR WARNING LIGHT LIGHT SWITCH LUGGAGE COMPARTMENT LIGHT MICRO CENTRAL ELECTRIC OFF PASSENGER'S FRONT DOOR CONTACT SWITCH PASSENGER'S SIDE DOOR WARNING LIGHT REAR READING/ COURTESY LIGHT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOOT- WELL LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT MAKE-UP MIRROR LIGHT RIGHT MAKE-UP MIRROR SWITCH RIGHT REAR DOOR CONTACT SWITCH RIGHT REAR DOOR WARNING LIGHT TRUNK LOCK SWITCH (SEDAN, VIO WIRE WHT WIRE YEL WIRE

13-WAY RELAY CARRIER (BEHIND LEFT SIDE OF DASH) 5 5 6 1 1 2 (AVANT) 6 2 (AVANT) AUTO CHECK SYSTEM (PART OF INSTRUMENT CLUSTER) AVANT BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE COMBINATION PROCESSOR DAYTIME RUNNING LIGHTS SWITCH-ON RELAY EMERGENCY FLASHER SWITCH FUSE FUSE 2 FUSE FUSE FUSE PANEL (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEAD HEAD PARK HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT IN RUN OR START HOT W/ LOAD REDUCTION RELAY ENERGIZED HOT W/ LOAD REDUCTION RELAY ENERGIZED HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (WITH TRAILER OPTION) INTERIOR LIGHTS SYSTEM LEFT FRONT PARK/TURN LIGHT LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY 4 6 INSTRUMENT CLUSTER (AVANT) LEFT TURN IND PARK TURN LICENSE PLATE LIGHTS LIGHT SWITCH MICRO CENTRAL ELECTRIC OFF PARK REAR LIGHT CONTROL MODULE (ON 13-WAY RELAY CARRIER) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT PARK/TURN LIGHT RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY 3 6 (AVANT) RIGHT TURN IND TURN TAIL STOP TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH VIO WIRE WHT WIRE YEL WIRE

13-WAY RELAY CARRIER (BEHIND LEFT SIDE OF DASH) 5 5 6 1 1 2 (AVANT) 6 2 (AVANT) AVANT BLK WIRE BLK/GRN WIRE BLU WIRE BRAKE LIGHT SWITCH BRN WIRE COMBINATION PROCESSOR DAYTIME RUNNING LIGHTS SWITCH-ON RELAY EMERGENCY FLASHER SWITCH FUSE FUSE 2 FUSE FUSE FUSE PANEL (LEFT END OF DASH) FUSE PANEL (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HEAD HEAD PARK HIGH MOUNT BRAKE LIGHT HOT AT ALL TIMES HOT W/ LOAD REDUCTION RELAY ENERGIZED INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (WITH TRAILER OPTION) LEFT FRONT PARK/TURN LIGHT LEFT RIGHT TURN IND TURN IND TURN LEFT SIDE TURN SIGNAL LIGHT LEFT TAILLAMP ASSEMBLY 4 6 (AVANT) LICENSE PLATE LIGHTS LIGHT SWITCH MICRO CENTRAL ELECTRIC OFF OFF PARK PARK RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT PARK/TURN LIGHT INSTRUMENT CLUSTER RIGHT SIDE TURN SIGNAL LIGHT RIGHT TAILLAMP ASSEMBLY 3 6 (AVANT) TAIL STOP TURN TURN PARK TURN SIGNAL SWITCH TURN TAIL STOP VIO WIRE VIO/BLU WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE EXTERIOR LIGHTS FOGLIGHT CONTROL MODULE FRONT FOG LIGHT SWITCH FTP FUSE 19 FUSE FUSE FUSE PANEL FUSE FUSE PANEL FUSE 3 GRN WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HEAD HEAD- LIGHT HEAD- LIGHT FOG LIGHT FOG LIGHT HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHTS SYSTEM (HEADLAMPS LEVELING CIRCUIT) HI BEAM HI FTP LO HI HEAD LO HI LO HOT AT ALL TIMES IGNITION SWITCH IND INSTRUMENT CLUSTER LEFT HEAD/ FOGLIGHT ASSEMBLY LEFT TAILLIGHT ASSEMBLY LEFT REAR FOG LIGHT LIGHT SWITCH LO HI LOAD REDUCTION RELAY MICRO CENTRAL ELECTRIC NOT USED OFF OFF HEAD PARK OFF PARK REAR FOG LIGHT SWITCH REAR LAMP CONTROL MODULE RED WIRE RIGHT HEAD/ FOGLIGHT ASSEMBLY RIGHT TAILLIGHT ASSEMBLY RUN WIRE VIO WIRE W/ AUTO CHECK SYSTEM W/ AUTO CHECK SYSTEM W/O AUTO CHECK SYSTEM W/DRL ONLY W/O AUTO CHECK SYSTEM WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE DUAL HORN RELAY FUSE 40 FUSE PANEL (ON LEFT END OF DASH) HIGH TONE HORN HORN BUTTON HOT AT ALL TIMES IGNITION SWITCH LOW TONE HORN MICRO CENTRAL ELECTRIC OFF RED WIRE RUN WIRE WHT WIRE YEL WIRE

1.8L 2.7L/ 2.8L 2.7L/ 2.8L 1.8L 3-WAY RELAY CARRIER FUSE 130 BATTERY BLK WIRE BLU WIRE BRN WIRE CIGARETTE LIGHTER DAYTIME RUNNING LIGHTS SWITCH-ON RELAY DTI EXHAUST TEMP SENSORS (2.7L), LEAK DETECTION FUEL PUMP FUEL PUMP RELAY FUSE 17 FUSE 44 FUSE 28 FUSE 29 FUSE 10 FUSE 31 FUSE 32 FUSE 33 FUSE 30 FUSE 34 FUSE 37 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE PANEL GENERATOR GRN WIRE GRN/BLK WIRE GRY WIRE IGNITION COILS, DISTRIBUTOR IGNITION CAPACITOR, LEAK DETECTION IGNITION SWITCH KEY-IN IGNITION SWITCH LEFT HEATED DOOR LOCK CONTROL MODULE LIGHT SWITCH LIGHT SWITCH, FOGLIGHTS CONTROL MODULE MICRO CENTRAL ELECTRIC MIRROR ADJUSTMENT SWITCH, SEAT HEAT REGULATING SWITCHES MOTRONIC ENGINE CONTROL MODULE MULTIFUNCTION STEERING WHEEL CONTROL MODULE OFF PARK/NEUTRAL POSITION RELAY POWER SUNROOF CONTROL MODULE RED WIRE RUN WIRE SEAT HEATER REGULATING SWITCHES SECONDARY INJECTION PUMP RELAY STARTER TELEPHONE TRANSCEIVER TO FUSE 12 (DIAGRAM 2 OF 2) TO LOAD REDUCTION RELAY (DIAGRAM 2 OF 2) TRANSMISSION CONTROL MODULE VIO WIRE WASHER/WIPER INTERMITTENT RELAY WHT WIRE YEL WIRE YEL/BLK WIRE

13/15 8-WAY RELAY CARRIER A/C CONTROL HEAD ABS HYDRAULIC UNIT ACCESSORY SOCKET BLK WIRE BLU WIRE BRN WIRE CIRCUIT BREAKER 37 CIRCUIT BREAKER 43 DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS SWITCH- ON RELAY, LIGHT SWITCH DUAL HORN RELAY EMERGENCY FLASHER SWITCH FRESH AIR BLOWER CONTROL MODULE, A/C CLUTCH RELAY, A/C PRESSURE SWITCH FROM FUEL PUMP RELAY (DIAGRAM 1 OF 2) FROM IGNITION SWITCH (DIAGRAM 1 OF 2) FUSE 1 FUSE 12 FUSE 14 FUSE 13 FUSE 15 FUSE 38 FUSE 2 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 39 FUSE 40 FUSE 44 FUSE 51 FUSE 42 FUSE 53 FUSE 84 FUSE 9 FUSE 36 FUSE PANEL GRN WIRE GRY WIRE INSTRUMENT CLUSTER LIGHT SWITCH LOAD REDUCTION RELAY MICRO CENTRAL ELECTRIC POWER SEAT SWITCH REAR WINDOW DEFOGGER SWITCH REAR WINDOW WIPER MOTOR, AIRBAG SPIRAL SPRING/RETURN SPRING RED WIRE SECOND SPEED COOLANT FAN CONTROL RELAY, COOLANT FAN CONTROL RELAY TRUNK LID ALARM SWITCH, LUGGAGE COMPARTMENT LIGHT, INTERIOR MONITOR SWITCH WASHER NOZZLE HEATERS WASHER/ WIPER INTERMITTENT RELAY WHT WIRE WINDOW MOTORS WINDSHIELD WIPER INTERMITTENT SWITCH YEL WIRE

AVANT BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE EXCEPT AVANT FUSE FUSE FUSE FUSE PANEL (ON LEFT END OF DASH) GRN/VIO WIRE GRN/YEL WIRE HEAD HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHT WASHER PUMP HOT AT ALL TIMES HOT IN INSTRUMENT CLUSTER LEFT WASHER NOZZLE HEATER (OPTIONAL) LOAD REDUCTION RELAY MICRO CENTRAL ELECTRIC PARK OFF HOT IN RUN REAR WINDOW WIPER MOTOR (AVANT) RED WIRE RED/VIO WIRE RIGHT WASHER NOZZLE HEATER (OPTIONAL) RUN WIRE WASHER SWITCH WHT/BLU WIRE WHT/YEL WIRE WINDSHIELD WASHER PUMP WINDSHIELD WIPER INTERMITTENT REGULATOR WINDSHIELD WIPER INTERMITTENT SWITCH WINDSHIELD WIPER MOTOR WIPER/WASHER INTERMITTENT RELAY YEL WIRE

ANTI-LOCK BRAKES SYSTEM BATTERY BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM EMERGENCY FLASHER SWITCH, AIR BAG CONTROL MODULE FUEL INJECTORS FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUSE 228 FUSE 234 FUSE PANEL FUSE 232 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE HOT IN START OR RUN MICRO CENTRAL ELECTRIC MOTRONIC ENGINE CONTROL MODULE (NEAR BRAKE BOOSTER, IN PROTECTICE CASE) NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE THROTTLE VALVE CONTROL MODULE (LEFT SIDE OF ENG, ON INTAKE MANIFOLD) TO SPARK PLUG VIO WIRE VIO/BLU WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE YEL/WHT WIRE