Audi A4 B9 (2015-2020) display unit Wiring diagrams

ABS INDICATOR LAMP AUTO HOLD BUTTON (A/T) AUTO- HOLD BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE LAMP SWITCH BRAKE SYSTEM INDICATOR LAMP BRN WIRE BRN/BLU WIRE BULB COMFORT SYSTEM CENTRAL CONTROL MODULE COMPUTER DATA LINES SYSTEM DISPLAY UNIT ELECTRO- MECHANICAL ELECTRO-MECHANICAL PARKING BRAKE BUTTON (A/T) ENGINE CONTROL MODULE FUSE 11 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/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 VIO WIRE VIO/RED WIRE YEL WIRE

AIR DISTRIBUTION DOOR MOTOR BLK WIRE BLK/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF DEFROSTER DOOR MOTOR DISPLAY UNIT DRIVER SIDE SEAT VENTILATION SWITCH EVAPORATOR VENT TEMPERATURE SENSOR FRESH AIR DOOR MOTOR FRONT A/C DISPLAY CONTROL HEAD FRONT PASSENGER SIDE SEAT VENTILATION SWITCH 2 FUSE 12 FUSE 6 FUSE PANEL 2 FUSE PANEL B FUSE PANEL C GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HUMIDITY SENSOR INSTRUMENT CLUSTER CONTROL MODULE LEFT FOOTWELL VENT TEMPERATURE SENSOR LEFT SEAT HEATING BUTTON ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RECIRCULATION DOOR MOTOR RED WIRE RED/BRN WIRE RELAY & FUSE CARRIER 1 RIGHT FOOTWELL VENT TEMPERATURE SENSOR RIGHT SEAT HEATING BUTTON SUNLIGHT PHOTO SENSOR TEMPERATURE CONTROL DOOR MOTOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE

AIR QUALITY SENSOR BLK/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT EVAPORATOR VENT TEMPERATURE SENSOR FRESH AIR BLOWER FRESH AIR BLOWER CONTROL MODULE FUSE 1 FUSE 8 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B GRN WIRE GRN/YEL WIRE GRY WIRE HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR IN FRESH AIR INTAKE DUCT INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL VENT MOTOR LEFT FOOTWELL VENT TEMPERATURE SENSOR LEFT FRONT UPPER BODY VENT TEMPERATURE SENSOR ORG/BRN WIRE RED/BLU WIRE RELAY & FUSE CARRIER 1 RIGHT FOOTWELL VENT TEMPERATURE SENSOR SUNLIGHT PHOTO SENSOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/GRN WIRE

BATTERY BATTERY INTERRUPT IGNITER BATTERY MONITORING CONTROL MODULE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT FUSE PANEL A GENERATOR, VOLTAGE REGULATOR INSTRUMENT CLUSTER MAIN FUSE CARRIER ORG/BRN WIRE RIGHT COUPLING POINT IN ENGINE COMPARTMENT STARTER SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/WHT WIRE

AIR BAG CONTROL MODULE ALARM HORN ANTI-THEFT ALARM SYSTEM SENSOR BLK WIRE BLU/VIO WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR COMFORT SYSTEM CENTRAL CONTROL MODULE DISPLAY UNIT DISTANCE REGULATION CONTROL MODULE DISTANCE REGULATION CONTROL MODULE 2 FRESH AIR BLOWER CONTROL MODULE FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER MEMORY SEAT CONTROL MODULE GRN WIRE GRY WIRE GRY/RED WIRE HIGH PRESSURE SENSOR HUMIDITY SENSOR IN FRESH AIR INTAKE DUCT INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL VENT MOTOR LEFT COUPLING POINT IN LUGGAGE COMPARTMENT ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE PNK WIRE REAR A/C DISPLAY CONTROL HEAD REAR LID CONTROL MODULE REAR LID OPENER CONTROL MODULE RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT SEAT COUPLING STATION STEERING COLUMN ELECTRONICS SYSTEMS CONTROL MODULE STEERING COLUMN) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/ ADAPTIVE CRUISE W/ DRIVER ASSISTANCE SYSTEMS W/O DRIVER ASSISTANCE SYSTEMS W/ INTERIOR MONITORING WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE YEL WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT EMERGENCY FLASHER BUTTON FUSE 12 FUSE 13 FUSE PANEL 4 FUSE PANEL B GRY WIRE HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL COUPLING POINT LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP BULB LEFT FRONT TURN SIGNAL BULB LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT STATIONARY CORNERING LAMP LEFT TURN SIGNAL INDICATOR LAMP ORG/BRN WIRE RED WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RIGHT EMERGENCY FLASHER INDICATOR LAMP VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE W/ HID W/O HID W/ MATRIX BEAM W/O HID, MATRIX BEAM W/O HID, MATRIX BEAM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER DOOR CONTROL MODULE DRIVER EXTERIOR REAR VIEW MIRROR FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER EXTERIOR REAR VIEW MIRROR FUSE 4 FUSE PANEL 3 FUSE PANEL F GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE LANE CHANGE ASSISTANCE CONTROL MODULE 2 LANE CHANGE ASSISTANCE INDICATOR LAMP LANE CHANGE ASSISTANCE WARNING LAMP LEFT COUPLING POINT IN LUGGAGE COMPARTMENT ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE ORG/WHT WIRE RELAY & FUSE CARRIER 2 VIO WIRE WHT WIRE

BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER SIDE REAR CENTRAL LOCKING LOCK UNIT DRIVER SIDE REAR CENTRAL LOCKING SYSTEM MOTOR DRIVER SIDE REAR CHILD SAFETY LOCK MOTOR DRIVER SIDE REAR DOOR CENTRAL LOCKING SAFE MOTOR DRIVER SIDE REAR DOOR CONTACT SWITCH DRIVER SIDE REAR DOOR CONTROL MODULE DRIVER SIDE REAR INTERIOR LOCKING BUTTON EXCEPT LONG WHEEL BASE LONG WHEEL BASE GRY/VIO WIRE INSTRUMENT CLUSTER CONTROL MODULE ORG/BRN WIRE RED/BLU WIRE RED/GRN WIRE VIO WIRE VIO/BLU WIRE VIO/RED WIRE VIO/YEL WIRE W/ CHILD SAFETY LOCK W/O CHILD SAFETY LOCK YEL/BLU WIRE

AIR BAG CONTROL MODULE AIR BAG INDICATOR LAMP AIR BAG SPIRAL SPRING/ RETURN SPRING (W/ SLIP RING) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/VIO WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DISPLAY UNIT DRIVER AIR BAG IGNITER DRIVER AIR BAG RELEASE VALVE IGNITER DRIVER KNEE AIR BAG IGNITER FRONT PASSENGER AIR BAG IGNITER 1 FRONT PASSENGER AIR BAG IGNITER 2 FRONT PASSENGER AIR BAG RELEASE VALVE IGNITER FRONT PASSENGER AIR BAG UNIT FRONT PASSENGER BELT FORCE LIMITER FRONT PASSENGER SEAT BELT TENSIONER IGNITER 1 FUSE 9 FUSE PANEL C GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/YEL WIRE HOT W/ MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE NCA WIRE ORG/BLK WIRE ORG/BRN WIRE ORG/VIO WIRE PNK WIRE RED WIRE RED/YEL WIRE RIGHT FRONT SEAT BELT TENSIONER CONTROL MODULE STEERING COLUMN ELECTRONICS CONTROL MODULE STEERING COLUMN) VIO WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/GRY 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 COUPLING IN REAR LID MOTOR 2 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 MOTOR 1 ORG/BRN WIRE REAR LID CONTROL MODULE REAR LID MOTOR 1/REAR LID CLOSED SENSOR 1, 2 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 CARRIER 2 VIO WIRE VIO/BRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE