Audi A4 B8 (2007-2012) vehicle electrical system control module (under left side of dash) Wiring diagrams

A/T ACCESS/START AUTHORIZATION ALARM SYSTEM OFF SWITCH AVANT BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL MODULE (IN DRIVER'S FRONT DOOR) ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE (NEAR STEERING COLUMN) FRONT HOOD SWITCH GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HORNS SYSTEM LEFT REAR OUTSIDE DOOR CONTROL MODULE ORG/BRN WIRE ORG/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR OUTSIDE DOOR HANDLE TOUCH SENSOR SEDAN SWITCH TRUNK LID ALARM SWITCH/REAR LID CENTRAL LOCKING SYSTEM MOTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO/BLU WIRE

3.0L A/C COMPRESSOR REGULATOR VALVE A/C PRESSURE/ TEMPERATURE SENSOR (LEFT SIDE OF CONDENSER) AIR FLOW DOOR MOTOR (LEFT SIDE OF AIR INTAKE HOUSING) BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CENTER OUTLET TEMPERATURE SENSOR CENTER VENT ADJUSTMENT MOTOR CLIMATRONIC CONTROL MODULE COMPUTER DATA LINES SYSTEM COOLANT PUMP (IF EQUIPPED) DEFROSTER DOOR MOTOR (LEFT SIDE OF A/C UNIT) DRIVER'S SIDE FUSE PANEL ENGINE COOLANT LEVEL (ECL) SENSOR EVAPORATOR VENT TEMPERATURE SENSOR (IN EVAPORATOR HOUSING) FOOTWELL FLAP MOTOR FOOTWELL OUTLET TEMPERATURE SENSOR FUSE FUSE CARRIER 1 FUSE CARRIER 2 GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED ORG/BRN WIRE ORG/GRN WIRE OUTSIDE AIR TEMPERATURE SENSOR (BEHIND FRONT GRILLE) PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) RECIRCULATION DOOR MOTOR (LEFT SIDE OF AIR INTAKE HOUSING) RED WIRE RED/BLU WIRE RED/YEL WIRE SUNLIGHT PHOTO SENSOR (UNDER CENTER OF DASH) TEMPERATURE REGULATOR FLAP MOTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE

A/C PRESSURE/ TEMPERATURE SENSOR (LEFT SIDE OF CONDENSER) AUTOMATIC DAY/ NIGHT INTERIOR MIRROR BLK/BLU WIRE BLK/RED WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL ENGINE COOLANT LEVEL (ECL) SENSOR EVAPORATOR VENT TEMPERATURE SENSOR (IN EVAPORATOR HOUSING) FRESH AIR BLOWER (UNDER RIGHT SIDE OF AIR INTAKE HOUSING) FRESH AIR BLOWER CONTROL MODULE (LOWER RIGHT SIDE OF AIR INTAKE HOUSING) FUSE FUSE CARRIER 1 FUSE FUSE CARRIER 2 GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED HUMIDITY SENSOR LEFT FOOTWELL TEMPERATURE SENSOR (LEFT SIDE OF A/C UNIT) LEFT FRONT UPPER BODY OUTLET TEMPERATURE SENSOR (LEFT END OF DASH) NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED/BLU WIRE RIGHT FRONT UPPER BODY OUTLET TEMPERATURE SENSOR (RIGHT END OF DASH) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/YEL WIRE WHT/BRN WIRE WHT/RED WIRE

3.0L BATTERY JUMP BLK/BLU WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COOLANT FAN COOLANT FAN 2 COOLANT FAN CONTROL (FC) CONTROL MODULE (3.0L) (ON COOLANT FAN MOTORS) COOLANT FAN CONTROL (FC) CONTROL MODULE 2 (3.0L) (ON COOLANT FAN MOTORS) E-BOX RELAY/ FUSE CARRIER (IN PLENUM CHAMBER ELECTRONICS BOX) ENGINE CONTROL MODULE (ECM) (2.0L: LEFT SIDE OF ENGINE COMPT PLENUM CHAMBER) ENGINE COOLANT LEVEL (ECL) SENSOR ENGINE COOLANT TEMPERATURE (ECT) SENSOR (2.0L: LOWER LEFT REAR OF ENGINE) FUSE FUSE 1 FUSE 2 GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY ENERGIZED ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE TERMINAL (MIDDLE OF ENGINE COMPT PLENUM CHAMBER) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE EMERGENCY FLASHER BUTTON EMERGENCY FLASHER IND END OF DASH) FOG LAMP BUTTON LIGHT SWITCH FUSE FUSE CARRIER 1 FUSE FUSE CARRIER 2 FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH LEFT FRONT SIDE LEFT FRONT TURN SIGNAL LAMP LEFT HEADLIGHT ASSEMBLY LEFT FRONT TURN SIGNAL LAMP LEFT HEADLIGHT ASSEMBLY LEFT LEFT PARKING LAMP FRONT SIDE MARKER LAMP LEFT PARKING LAMP LUGGAGE COMPARTMENT RELAY/FUSE CARRIER (RIGHT SIDE OF LUGGAGE COMPT) MARKER LAMP NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT REAR FOG LAMP BUTTON RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT FRONT TURN SIGNAL LAMP RIGHT RIGHT FRONT SIDE MARKER LAMP PARKING LAMP TURN SIGNAL SWITCH VALET PARKING IND LAMP VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE W/ BI-XENON HEADLIGHTS W/O BI-XENON HEADLIGHTS WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE EMERGENCY FLASHER BUTTON EMERGENCY FLASHER IND END OF DASH) FOG LAMP BUTTON LIGHT SWITCH FUSE FUSE CARRIER 1 FUSE FUSE CARRIER 2 FUSE GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH LEFT FRONT TURN SIGNAL LAMP LEFT HEADLIGHT ASSEMBLY LEFT LEFT FRONT SIDE PARKING LAMP LEFT LEFT PARKING LAMP FRONT SIDE MARKER LAMP LUGGAGE COMPARTMENT RELAY/FUSE CARRIER (RIGHT SIDE OF LUGGAGE COMPT) MARKER LAMP NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT REAR FOG LAMP BUTTON RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT TURN SIGNAL LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT HEADLIGHT ASSEMBLY RIGHT PARKING LAMP SYSTEM TURN SIGNAL SWITCH VALET PARKING IND LAMP VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE W/ BI-XENON HEADLIGHTS W/O BI-XENON HEADLIGHTS WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) EMERGENCY FLASHER BUTTON EMERGENCY FLASHER INDICATOR LAMP EMERGENCY FLASHER BUTTON FOG LAMP BUTTON LIGHT SWITCH FRONT PASSENGER AIR BAG DISABLED INDICATOR LAMP FUSE 14 FUSE 7 FUSE CARRIER 1 FUSE CARRIER 2 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP BEAM ADJUSTMENT MOTOR LEFT HEADLIGHT ASSEMBLY LEFT HIGH INTENSITY GAS DISCHARGE (HID) LAMP LEFT HIGH INTENSITY GAS DISCHARGE LAMP CONTROL MODULE LEFT LED PARKING LAMP/DRL MODULE (W/ LIGHT SENSOR PACKAGE) LEFT PARKING LAMP LET LOW BEAM REFLECTOR MOTOR ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) REAR FOG LAMP BUTTON RED/YEL WIRE SUPPLEMENTAL RESTRAINTS SYSTEM VALET PARKING INDICATOR LAMP VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL/BLK WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) EMERGENCY FLASHER BUTTON EMERGENCY FLASHER INDICATOR LAMP EMERGENCY FLASHER BUTTON FOG LAMP BUTTON LIGHT SWITCH 4 3 1 6 2 FRONT PASSENGER AIR BAG DISABLED INDICATOR LAMP FUSE 10 FUSE 8 FUSE 14 FUSE 7 FUSE CARRIER 1 FUSE CARRIER 2 FUSE CARRIER 3 GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/YEL WIRE HEADLAMP RIGHT LOW BEAM HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL ILLUMINATION DIMMER SWITCH LAMP LAMP RIGHT PARKING LEFT DAYTIME LEFT FRONT FOG LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN LEFT HEADLIGHT ASSEMBLY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARKING MARKER LAMP ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE PASSENGER'S SIDE FUSE PANEL (BEHIND RIGHT END OF DASH) REAR FOG LAMP BUTTON RED/VIO WIRE RED/YEL WIRE RIGHT DAYTIME RIGHT FRONT FOG LAMP RIGHT FRONT SIDE RIGHT HEADLIGHT ASSEMBLY RIGHT HIGH BEAM HEADLAMP RUNNING LIGHT SENSOR PACKAGE) SIGNAL LAMP SIGNAL LAMP RIGHT FRONT TURN SUPPLEMENTAL RESTRAINTS SYSTEM VALET PARKING INDICATOR LAMP VALET PARKING LOCK BUTTON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

AIR BAG SPIRAL RETURN/ SLIP RING (IN STEERING COLUMN) BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE GRY WIRE GRY/YEL WIRE HORN RELAY (ON VEHICLE ELECTRICAL SYSTEM CONTROL MODULE RELAY/FUSE CARRIER) HOT AT ALL TIMES FUSE FUSE PANEL FUSE 7 CARRIER (BEHIND LEFT END OF DASH) LOW TONE HORN HIGH TONE HORN NCA WIRE ORG/BRN WIRE ORG/GRN WIRE RED WIRE SIGNAL HORN ACTIVATION STEERING WHEEL CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE

AIR CONDITIONING SYSTEM INTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING, SEATS SYSTEMS ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE PANEL (BEHIND LEFT END OF DASH) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM INSTRUMENT CLUSTER SYSTEM ENGINE CONTROLS SYSTEM WIPER/WASHER SYSTEM HORNS SYSTEM EXTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM FUSE FUSE 10 FUSE 5 FUSE 6 FUSE 8 FUSE CARRIER 1 FUSE CARRIER 2 FUSE CARRIER 3 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED LEFT REAR SEAT HEAD RESTRAINT ADJUSTMENT BUTTON (ENGINE START/STOP SYSTEM) ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SHIFT INTERLOCK SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM SEATS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/BLK WIRE VIO/WHT WIRE WARNING SYSTEMS AIR CONDITIONING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE