Audi A4 B8 facelift (2011-2015) power distribution system Wiring diagrams

AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 1 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 2 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 3 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 4 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 5 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 6 AUTOMATIC TRANSMISSION PRESSURE REGULATING VALVE 7 BLK/GRN WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVE POSITION SENSOR FUSE 12 FUSE CARRIER 1 FUSE 1 FUSE CARRIER 1 FUSE 10 FUSE PANEL C (BEHIND LEFT END OF DASH) GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED ORG/BLK WIRE ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RED/BRN WIRE RELAY/ FUSE PANEL B (IN PLENUM CHAMBER ELECTRONICS BOX) SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT) SOLENOID VALVE 1 TRANSMISSION CONTROL MODULE (TCM) (IN MECHATRONIC UNIT) TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SPEED SENSOR TRANSMISSION OUTPUT SPEED SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH)

ACCESS/START AUTHORIZATION BUTTON BLK WIRE BLK/VIO WIRE BLU/BLK WIRE BLU/GRY WIRE BRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT PLENUM CHAMBER) ENGINE CONTROLS SYSTEM FUSE FUSE CARRIER 1 FUSE FUSE CARRIER 1 FUSE 10 FUSE PANEL C (BEHIND LEFT END OF DASH) GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED ORG/BLK WIRE ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BRN WIRE RELAY/FUSE PANEL B (IN PLENUM CHAMBER ELECTRONICS BOX) SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT) TRANSMISSION CONTROL MODULE (TCM) (IN MECHATRONIC UNIT) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL MODULE (IN DRIVER'S FRONT DOOR) DRIVER'S HEATED EXTERIOR REARVIEW MIRROR DRIVER'S EXTERIOR MIRROR ASSEMBLY FM FREQUENCY FILTER (IN NEGATIVE WIRE) FM FREQUENCY FILTER (IN POSITIVE WIRE) FRONT PASSENGER'S EXTERIOR MIRROR ASSEMBLY FRONT PASSENGER'S HEATED EXTERIOR REARVIEW MIRROR FUSE FUSE CARRIER FUSE PANEL C (BEHIND LEFT END OF DASH) HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL A (ON BATTERY, IN LUGGAGE COMPT) FUSE MIRRORS SYSTEM NCA WIRE ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER FUSE RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) SEDAN WAGON SUPPRESSION FILTER VIO/BLK WIRE WHT WIRE WHT/RED WIRE WINDSHIELD ANTENNA

2.0L 3.0L A/T CVT ACCESS/START AUTHORIZATION BUTTON BLU/GRY WIRE BRAKE LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CLIMATRONIC CONTROL MODULE COMFORT SYSTEM CENTRAL CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DIRECT SHIFT GEARBOX (DSG) TRANSMISSION MECHATRONIC FUSE FUSE CARRIER FUSE PANEL C (BEHIND LEFT END OF DASH) GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INTERIOR LIGHTING SWITCH ORG/BLK WIRE ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/BRN WIRE SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT) SHIFT LOCK SOLENOID, TRANSMISSION PARK SELECTOR SWITCH (ON SHIFTER UNIT) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (IN MECHATRONIC UNIT) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) W/ DIRECT SHIFT W/0 DIRECT SHIFT

2.0L 2.0L BATTERY MONITORING CONTROL MODULE (ON NEGATIVE TERMINAL OF BATTERY) 2.0L 3.0L 3.0L 2.0L A/T BATTERY BATTERY INTERRUPT IGNITER BATTERY JUMP BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/WHT WIRE BRN WIRE CHARGING CIRCUIT CLUTCH POSITION SENSOR (M/T) COMFORT SYSTEM CENTRAL CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM CVT DIRECT SHIFT GEARBOX (DSG) MECHATRONIC ENGINE CONTROL MODULE (ECM) (2.0L: LEFT SIDE OF ENGINE COMPT PLENUM CHAMBER) ENGINE CONTROLS SYSTEM FUSE FUSE 10 FUSE 16 FUSE CARRIER 1 FUSE PANEL FUSE PANEL C (BEHIND LEFT END OF DASH) GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED IGNITION/STARTER SWITCH NCA WIRE ORG/BLK WIRE ORG/BRN WIRE POWER DISTRIBUTION SYSTEM PRNDS RED WIRE RED/BLK WIRE RED/BRN WIRE RELAY/ FUSE FUSE CARRIER PANEL B (IN PLENUM CHAMBER ELECTRONICS BOX) SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE (ON SHIFTER UNIT) SHIFT INTERLOCK SYSTEM START/STOP MODE BUTTON STARTER STARTER RELAY (ON RELAY/FUSE PANEL B) STARTER RELAY 2 (ON RELAY/FUSE PANEL B) SUPPLEMENTAL RESTRAINTS SYSTEM TERMINAL (MIDDLE OF ENGINE COMPT PLENUM CHAMBER) TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION PARK (RIGHT SELECTOR SIDE OF SWITCH CENTER TUNNEL) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO/GRY WIRE W/ DIRECT SHIFT GEARBOX

AIR BAG CONTROL MODULE (BELOW CENTER CONSOLE) AIR BAG SPIRAL SPRING/RETURN SPRING W/ SLIP RING BATTERY INTERRUPT IGNITER BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER AIR BAG IGNITER, IGNITER 2 (IN STEERING DRIVER'S FRONT AIR BAG CRASH SENSOR (ON LEFT HEADLAMP HOUSING BRACKET) DRIVER'S SIDE AIR BAG CRASH SENSOR (IN DRIVER'S FRONT DOOR) FRONT PASSENGER'S AIR BAG DISABLED INDICATOR LAMP FRONT PASSENGER'S FRONT AIR BAG CRASH SENSOR (ON RIGHT HEADLAMP HOUSING BRACKET) FRONT PASSENGER'S SIDE AIR BAG CRASH SENSOR (IN PASSENGER'S FRONT DOOR) FUSE CARRIER FUSE 13 FUSE PANEL A (ON BATTERY, IN LUGGAGE COMPT) FUSE PANEL C (BEHIND LEFT END OF DASH) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED IGNITER IGNITER 2 WHEEL) NCA WIRE ORG/BLK WIRE ORG/BRN WIRE POWER DISTRIBUTION SYSTEM REAR PASSENGER'S SIDE THORAX AIR BAG IGNITER (FRONT PASSENGER'S SIDE) REAR SIDE AIR BAG CRASH SENSOR (DRIVER'S SIDE) (IN LEFT "C" PILLAR) REAR SIDE AIR BAG CRASH SENSOR (FRONT PASSENGER'S SIDE) (IN RIGHT "C" PILLAR) RED WIRE RED/BLK WIRE SOLID STATE VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

AIR CONDITIONING SYSTEM WIPER/WASHER SYSTEM HORNS SYSTEM ANTI-THEFT, TRANSMISSIONS SYSTEMS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM END OF DASH) EXTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM FUSE FUSE 10 FUSE 12 FUSE 5 FUSE 6 FUSE 8 FUSE CARRIER 1 FUSE CARRIER 2 FUSE CARRIER 3 FUSE PANEL C (BEHIND LEFT GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INSTRUMENT CLUSTER SYSTEM NAVIGATION SYSTEM INTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM SEATS SYSTEM NAVIGATION SYSTEM NAVIGATION SYSTEM ANTI-THEFT SYSTEM NAVIGATION SYSTEM ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM INTERIOR LIGHTS SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SEATS SYSTEM SEATS SYSTEM NAVIGATION SYSTEM SHIFT INTERLOCK SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT SIDE OF DASH) VIO WIRE VIO/WHT WIRE VIO/YEL WIRE W/O SEAT VENTILATION 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 YEL/GRY WIRE YEL/RED WIRE

BRN WIRE COMFORT SYSTEM CONTROL MODULE (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM FUSE 12 FUSE CARRIER 2 HOT AT ALL TIMES ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED/YEL RED/YEL WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) VEHICLE POSITIONING SYSTEM INTERFACE CONTROL MODULE

BLK/BLU WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BRAKE BOOSTER PRESSURE SENSOR BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHAMBER ELECTRONICS BOX) COIL 1 COIL 2 COIL 3 COIL 4 FUSE 10 FUSE 2 FUSE 5 FUSE PANEL A (ON BATTERY, IN LUGGAGE COMPT) GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES IGNITION COILS 1, 2, 3, 4 W/ POWER OUTPUT STAGE (ABOVE 1, 2, 3, 4 CYLINDERS) MOTRONIC ENGINE CONTROL MODULE (ECM) POWER SUPPLY RELAY (ON RELAY/ FUSE PANEL B) NCA WIRE OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE REDUCED OIL PRESSURE SWITCH RELAY/ FUSE PANEL B (IN PLENUM FUSE CARRIER 1 TO SPARK PLUG WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

AFTER-RUN COOLANT PUMP (LOWER LEFT SIDE OF ENGINE) BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CLIMATRONIC CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE COOLANT LEVEL (ECL) SENSOR FUSE 10 FUSE CARRIER 1 FUSE CARRIER 2 FUSE 12 FUSE PANEL C (BEHIND LEFT END OF DASH) GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE PANEL D (BEHIND RIGHT END OF DASH) FUSE CARRIER 2 FUSE 4 HOT W/ POWER SUPPLY RELAY (TERMINAL 15) ENERGIZED INTAKE MANIFOLD RUNNER CONTROL (IMRC) VALVE (LEFT SIDE OF ENGINE) ORG/BRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED YEL/ WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY/FUSE PANEL F (RIGHT SIDE OF LUGGAGE COMPT) VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE