Audi A4 B9 facelift (2019-2024) hot at all times Wiring diagrams

ABS CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ABS CONTROL MODULE FUSE 1 ABS CONTROL MODULE FUSE 2 ABS HYDRAULIC PUMP ABS HYDRAULIC UNIT BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE CLUTCH POSITION SENSOR COMPUTER DATA LINES SYSTEM DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 1 DRIVING DYNAMICS REGULATION HIGH PRESSURE SWITCH VALVE 2 DRIVING DYNAMICS REGULATION SWITCH VALVE 1 DRIVING DYNAMICS REGULATION SWITCH VALVE 2 FUSE 11 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT PARKING BRAKE MOTOR LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT PARKING BRAKE MOTOR RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE SUPPLEMENTAL RESTRAINTS SYSTEM VACUUM SENSOR WHT WIRE YEL WIRE YEL/GRN WIRE

ASR/ESP BUTTON BLK WIRE BLU/VIO WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 FUSE 3 FUSE 6 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT ABS WHEEL SPEED SENSOR ORG/BRN WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR ABS WHEEL SPEED SENSOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE WHT WIRE YEL WIRE

3.0L TURBO 2.0L TURBO HYBRID DMSA, DPAA 2.0L TURBO CYMC ABS INDICATOR LAMP AUTO HOLD BUTTON AUTO- HOLD BLK WIRE BLU/VIO WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE SYSTEM INDICATOR LAMP BRN WIRE BRN/BLU WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DISPLAY UNIT ELECTROMECHANICAL ELECTROMECHANICAL PARKING BRAKE BUTTON ENGINE/MOTOR CONTROL MODULE FUSE 11 FUSE 12 FUSE 5 FUSE 9 FUSE PANEL 1 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED ILLUMINATION INDICATOR LAMP INSTRUMENT CLUSTER CONTROL MODULE ORG/BRN WIRE PARKING BRAKE PNK WIRE POWER DISTRIBUTION SYSTEM RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 STEERING ANGLE SENSOR STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) VIO WIRE VIO/RED WIRE VIO/YEL WIRE YEL WIRE

ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/VIO WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DEFOGGER, DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ENGINE CONTROLS SYSTEM FUSE 11 FUSE 14 FUSE 9 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LEFT REAR WINDOW BREAKAGE SENSOR ORG/BRN WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW BREAKAGE SENSOR RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT REAR WINDOW BREAKAGE SENSOR STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRY WIRE WAGON WHT WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

BLK WIRE BLU WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER SPEAKER 2 COMPUTER DATA LINES SYSTEM DIGITAL SOUND SYSTEM FUSE FRONT INFORMATION DISPLAY CONTROL HEAD FRONT ROOF MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE HOT AT ALL TIMES INFORMATION ELECTRONICS CONTROL MODULE 1 INTERIOR MICROPHONE MICROPHONE UNIT IN FRONT ROOF MODULE LEFT EFFECTS SPEAKER LEFT FRONT DOOR COUPLING POINT LEFT FRONT MIDRANGE SPEAKER LEFT FRONT MIDRANGE SPEAKER 2 LEFT FRONT TREBLE SPEAKER MOST DATA BUS CIRCUIT N/A NAVIGATION SYSTEM (EMERGENCY CALL CIRCUIT) ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 2 RIGHT EFFECTS SPEAKER RIGHT FRONT MIDRANGE SPEAKER 2 SOUND SYSTEMS VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE

ANDROID OPERATING SYSTEM CONTROL MODULE ANTENNA ANTENNA AMPLIFIER ANTENNA AMPLIFIER 2 BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 10 FUSE 14 FUSE 2 FUSE 5 FUSE 7 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRN/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INFORMATION ELECTRONICS CONTROL MODULE 1 MOST DATA BUS CIRCUIT NAVIGATION SYSTEM NCA WIRE ORG/ WIRE ORG/BRN WIRE PNK WIRE RADIO ANTENNA 2 RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 SOUND SYSTEMS USB USB CHARGING SOCKET 2 USB CONNECTION 1 USB DISTRIBUTOR VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/RED WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 16 FUSE PANEL 4 FUSE PANEL B GRY WIRE HOT AT ALL TIMES LEFT FRONT SEAT COUPLING STATION LEFT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE MULTIMEDIA DISPLAY UNIT 3 MULTIMEDIA DISPLAY UNIT 3 BRACKET MULTIMEDIA DISPLAY UNIT 4 MULTIMEDIA DISPLAY UNIT 4 BRACKET NCA WIRE PNK WIRE RED WIRE RED/BLU WIRE RELAY & FUSE PANEL 1 RIGHT FRONT SEAT COUPLING STATION RIGHT REAR INFORMATION DISPLAY CONTROL HEAD CONTROL MODULE VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT FUSE 11 FUSE 12 FUSE 5 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL B FUSE PANEL F GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LUGGAGE COMPARTMENT COVER DRIVE UNIT ORG/BRN WIRE REAR LID CLOSED SENSOR 1 REAR LID CLOSED SENSOR 2 REAR LID CONTROL MODULE REAR LID COUPLING MOTOR 1 REAR LID COUPLING MOTOR 2 REAR LID DRIVE UNIT REAR LID DRIVE UNIT 2 REAR LID MOTOR 1 REAR LID MOTOR 2 REAR LID REMOTE RELEASE BUTTON REAR LID WARNING BUZZER RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE PANEL 2 VIO WIRE VIO/BRN WIRE W/ FPK ACTIVE INFO DISPLAY W/O FPK ACTIVE INFO DISPLAY WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN 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 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 SOUND SYSTEMS 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/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 ORG/GRY 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 STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/GRY 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