Audi A4 B9 facelift (2019-2024) relay & fuse carrier 1 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

BLU/BRN WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM FRONT PASSENGER DOOR CONTROL MODULE (FRONT PASSENGER DOOR) FRONT PASSENGER INTERIOR LOCKING BUTTON FRONT PASSENGER POWER WINDOW BUTTON FRONT PASSENGER SEAT MEMORY SETTINGS CONTROL HEAD FUSE 11 FUSE 14 FUSE 5 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B FUSE PANEL C GRY/RED WIRE HEADLAMP SWITCH ILLUMINATION BULB HOT AT ALL TIMES INSTRUMENT PANEL, SWITCH ILLUMINATION DIMMER SWITCH LEFT FRONT DOOR COUPLING POINT LIGHT SWITCH ORG/BRN WIRE ORG/GRN WIRE PASSENGER SIDE INTERIOR DOOR HANDLE ILLUMINATION LAMP POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT EXTERIOR DOOR HANDLE ILLUMINATION BULB VIO/BLU WIRE VIO/WHT WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON YEL WIRE

ABS CONTROL MODULE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRO- MECHANICAL ELECTRO- MECHANICAL PARKING BRAKE BUTTON FUSE 11 FUSE 6 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRN/VIO 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 BULB INDICATOR LAMP LEFT PARKING BRAKE MOTOR PARKING BRAKE PNK WIRE PUSH BUTTON RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT PARKING BRAKE MOTOR

ANDROID OPERATING SYSTEM 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 REAR VIEW CAMERA CIRCUIT 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

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

2.0L TURBO 2.0L TURBO CYMC, 2.0L TURBO HYBRID DPAA 2.0L TURBO HYBRID DMSA 3.0L TURBO 7 SPEED A/T 8 SPEED A/T BLK WIRE BLU/GRY WIRE BRAKE LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM D/S DUAL-CLUTCH TRANSMISSION MECHATRONIC ENGINE/MOTOR CONTROL MODULE FUSE 4 FUSE 5 FUSE PANEL 1 FUSE PANEL 2 FUSE PANEL B GRN WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE NCA WIRE ORG/BRN WIRE PARKING LOCK BUTTON PARKING LOCK INDICATOR LAMP PARKING LOCK SOLENOID PNK WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 SELECTOR LEVER SELECTOR LEVER POSITION SENSOR SELECTOR LEVER RELEASE BUTTON SELECTOR LEVER SENSOR SYSTEM CONTROL MODULE SELECTOR LEVER TRANSMISSION RANGE DISPLAY SHIFT LOCK SOLENOID TRANSMISSION ASSEMBLY TRANSMISSION CONTROL MODULE TRANSVERSE SELECTOR LEVER LOCK MOTOR TRANSVERSE SELECTOR LEVER LOCK SENSOR VIO WIRE VIO/RED 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