Audi A4 B9 (2015-2020) red/blu Wiring diagrams

BLK/GRN WIRE BLK/GRY WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM COOLANT RECIRCULATION PUMP COOLANT SHUT-OFF VALVE ENGINE CONTROL MODULE ENGINE COOLANT LEVEL SENSOR ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET FUSE 13 FUSE 14 FUSE 2 FUSE 3 FUSE 8 FUSE PANEL 1 FUSE PANEL A FUSE PANEL B GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT COUPLING POINT IN ENGINE COMPARTMENT N/A ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR PNK/WHT WIRE RADIATOR FAN RADIATOR FAN 2 RADIATOR FAN CONTROL MODULE RADIATOR FAN CONTROL MODULE 2 RADIATOR FAN FUSE RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 SUPPRESSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/WHT WIRE W/ HOT CLIMATES W/ TRAILER HITCH W/O TRAILER HITCH W/ LOW FAN OUTPUT 2.0L CYMC 2.0L DBPA WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT IN LEFT REAR SEAT DRIVER SEAT BACKREST COUPLING POINT FRONT A/C DISPLAY CONTROL HEAD FUSE 1 FUSE 6 FUSE 8 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL B FUSE PANEL C FUSE PANEL F GRN WIRE GRN/BRN WIRE GRN/RED WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT HEATED BACKREST LEFT FRONT SEAT HEATING ELEMENT, LEFT FRONT SEAT TEMPERATURE SENSOR LEFT REAR BACKREST HEATING ELEMENT LEFT REAR BENCH SEAT HEATING ELEMENT, LEFT REAR HEATED SEAT TEMPERATURE SENSOR LEFT REAR SEAT COUPLING STATION LEFT SEAT HEATING BUTTON ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT SEAT HEATING BUTTON WHT/BRN WIRE WHT/YEL WIRE

AIRBAG CONTROL MODULE BATTERY BATTERY INTERRUPT IGNITER BATTERY JUMP START TERMINAL BATTERY MONITORING CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE EXTERNAL AUDIO SOURCE CONNECTION FROM BOTTOM COUPLING POINT ON LEFT A-PILLAR (DIAGRAM 4 OF 6) FRONT A/C DISPLAY CONTROL HEAD FRONT INFORMATION DISPLAY CONTROL HEAD FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL A FUSE PANEL H GENERATOR, VOLTAGE REGULATOR GRY/RED WIRE IF EQUIPPED COMPONENTS W/ WIRELESS DATA TRANSFER INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCH MAIN FUSE CARRIER MULTIMEDIA SYSTEM CONTROL HEAD N/A POWER STEERING CONTROL MODULE RADIATOR FAN RADIATOR FAN FUSE 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 RIGHT COUPLING POINT IN ENGINE COMPARTMENT STARTER STEERING COLUMN ELECTRONICS CONTROL MODULE SUPPRESSOR TELEPHONE BASEPLATE TERMINAL 30 WIRE JUNCTION 3 TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 4 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 5 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) VIO/WHT WIRE WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

ABS CONTROL MODULE ABS CONTROL MODULE FUSE 1 ABS CONTROL MODULE FUSE 2 AIRBAG CONTROL MODULE ALARM HORN ANTI-THEFT ALARM SYSTEM SENSOR BLK WIRE BLK/GRN WIRE BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER DOOR CONTROL MODULE DRIVER POWER SEAT ADJUSTMENT CIRCUIT BREAKER 1 DRIVER SEAT ADJUSTMENT CONTROL HEAD DRIVER SEAT SWITCH MODULE ELECTROMECHANICAL PARKING BRAKE BUTTON ENGINE COMPONENT POWER SUPPLY RELAY ENGINE CONTROL MODULE FROM FUSE 11 (DIAGRAM 2 OF 6) FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER DOOR CONTROL MODULE FRONT ROOF CONTROL MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B LEFT FRONT DOOR COUPLING POINT LEFT FRONT LUMBAR ADJUSTMENT SWITCH LEFT FRONT SEAT COUPLING STATION MEMORY SEAT/ STEERING COLUMN ADJUSTMENT CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY N/A POWER SUNROOF CONTROL MODULE RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT DOOR COUPLING POINT SELECTOR LEVER TERMINAL 15 POWER SUPPLY RELAY TO FUSE 12 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 3 OF 6) TO RELAY & FUSE CARRIER 1 (DIAGRAM 4 OF 6) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE W/ FRONT SEATS W/ INTERIOR MONITORING W/ MEMORY W/ MEMORY W/O MEMORY W/O MEMORY WAGON WHT WIRE WIPER MOTOR CONTROL MODULE

ALL- WHEEL DRIVE CONTROL MODULE AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR BLK/BLU WIRE CLUTCH POSITION SENSOR COUPLING POINT ON ROOF DATA BUS ON BOARD DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION DRIVER SEAT BACKREST COUPLING POINT DRIVER SIDE REAR DOOR CONTROL MODULE FROM FUSE 8 (DIAGRAM 4 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FRONT PASSENGER SEAT BACKREST COUPLING POINT FUSE 1 FUSE 10 FUSE 11 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT COUPLING STATION LEFT FRONT SEAT CUSHION FAN 1 LEFT REAR DOOR COUPLING POINT LEFT WINDSHIELD DEFOGGER RELAY M/T PASSENGER SIDE REAR DOOR CONTROL MODULE REAR A/C DISPLAY CONTROL HEAD RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 3 (LEFT SIDE OF DASH) RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT COUPLING STATION RIGHT FRONT SEAT CUSHION FAN 1 RIGHT REAR DOOR COUPLING POINT RIGHT WINDSHIELD DEFOGGER RELAY STARTER RELAY 1 STARTER RELAY 2 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WINDSHIELD DEFOGGER RELAY YEL WIRE

ACTIVE STEERING CONTROL MODULE BLK WIRE BLK/GRN WIRE BLK/RED WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR COMFORT SYSTEM CENTRAL CONTROL MODULE DISTANCE REGULATION CONTROL MODULE DISTANCE REGULATION CONTROL MODULE 2 DRIVER ASSISTANCE SYSTEMS FRONT CAMERA DRIVETRAIN CONTROL MODULE FRESH AIR BLOWER CONTROL MODULE FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FROM RELAY & FUSE CARRIER 1 (DIAGRAM 2 OF 6) FROM RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 1 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B FUSE PANEL F GARAGE DOOR OPENER CONTROL HEAD GRN/RED WIRE LEFT FRONT HEADLAMP LEFT FRONT SEAT BELT LEFT WINDSHIELD DEFOGGER RELAY RELAY & FUSE CARRIER 2 N/A REAR A/C DISPLAY CONTROL HEAD REAR LID CONTROL MODULE REAR WINDOW DEFOGGER RELAY RELAY & FUSE CARRIER 2 REAR WINDOW WIPER MOTOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 (LEFT SIDE OF DASH) RELAY & FUSE CARRIER 2 RELAY & FUSE CARRIER 3 (LEFT SIDE OF DASH) RIGHT FRONT HEADLAMP RIGHT WINDSHIELD DEFOGGER RELAY RELAY & FUSE CARRIER 2 STARTER RELAY 2 TO FUSE 5 (DIAGRAM 3 OF 6) TO FUSE PANEL C (DIAGRAM 1 OF 6) TO RELAY & FUSE CARRIER 2 (DIAGRAM 6 OF 6) TRANSMISSION FLUID AUXILIARY HYDRAULIC PUMP 1 W/ ADAPTIVE CRUISE CONTROL WAGON SEDAN WHT WIRE YEL/VIO WIRE

BLK/RED WIRE BLK/WHT WIRE CELLULAR TELEPHONE AMPLIFIER COMFORT SYSTEM CENTRAL CONTROL MODULE DIFFERENTIAL LOCK CONTROL MODULE DIGITAL SOUND SYSTEM CONTROL CONTROL MODULE FROM MAIN FUSE CARRIER (DIAGRAM 1 OF 6) FUEL TANK COUPLING POINT WEAR THE FUEL TANK FUEL TANK LEAK DETECTION CONTROL MODULE FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE PANEL 3 FUSE PANEL 5 FUSE PANEL F GARAGE DOOR OPENER CONTROL HEAD LANE CHANGE ASSISTANCE CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE 2 LEFT COUPLING POINT IN LUGGAGE COMPARTMENT LEFT FRONT SEAT COUPLING STATION LEFT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE N/A PERIPHERAL CAMERA CONTROL MODULE REAR VIEW CAMERA SYSTEM CONTROL MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT FRONT LUMBAR SUPPORT ADJUSTMENT SWITCH RIGHT FRONT SEAT BELT RIGHT FRONT SEAT COUPLING STATION RIGHT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE TIRE PRESSURE MONITORING CONTROL MODULE TV TUNER W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA YEL/RED WIRE YEL/VIO WIRE

BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR CONTROL MODULE DRIVER SIDE REAR DOOR CONTROL MODULE DRIVER SIDE REAR WINDOW REGULATOR MOTOR DRIVER WINDOW REGULATOR MOTOR FUSE 11 FUSE 14 FUSE 5 FUSE 7 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN/RED WIRE HOT AT ALL TIMES LEFT FRONT DOOR COUPLING POINT LEFT REAR DOOR COUPLING POINT ORG/BRN WIRE ORG/GRN WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT DOOR COUPLING POINT RIGHT REAR DOOR COUPLING POINT WHT WIRE WHT/YEL WIRE YEL/RED WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FUSE 1 FUSE 10 FUSE 5 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HORNS SYSTEM HOT AT ALL TIMES NAVIGATION SYSTEM ORG/BRN WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SEATS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/BLU WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM AIR CONDITIONING, INSTRUMENT CLUSTER SYSTEMS ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FUSE 13 FUSE 15 FUSE 2 FUSE 3 FUSE 6 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM NAVIGATION SYSTEM ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WARNING SYSTEMS WHT WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/VIO WIRE