Audi A4 B9 (2015-2020) coupling point on roof Wiring diagrams

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

A/C CLUTCH (IF EQUIPPED) A/C COMPRESSOR REGULATOR VALVE AIR QUALITY SENSOR AUTOMATIC DIMMING BLK/GRN WIRE BLU/WHT WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF ENGINE COOLANT LEVEL SENSOR FRESH AIR BLOWER FRESH AIR BLOWER CONTROL MODULE FUSE 1 FUSE 10 FUSE 8 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL 5 FUSE PANEL B GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/RED WIRE HIGH PRESSURE SENSOR HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR IN FRESH AIR INTAKE DUCT INTERIOR LIGHT RECOGNITION SENSOR ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR REAR VIEW MIRROR) RED/BLU WIRE RED/GRY WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/RED WIRE VIO/WHT WIRE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WHT WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF DEFROSTER DOOR MOTOR DRIVER SIDE SEAT VENTILATION SWITCH 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 GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HUMIDITY SENSOR LEFT SEAT HEATING BUTTON LEFT SIDE VENT MOTOR LEFT TEMPERATURE CONTROL DOOR MOTOR ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/WHT WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR REAR AIR DISTRIBUTION DOOR MOTOR REAR TEMPERATURE CONTROL DOOR MOTOR RECIRCULATION DOOR MOTOR RED WIRE RED/BRN WIRE RELAY & FUSE CARRIER 1 RIGHT SEAT HEATING BUTTON RIGHT SIDE VENT MOTOR RIGHT TEMPERATURE CONTROL DOOR MOTOR VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE

A/C CLUTCH (IF EQUIPPED) A/C COMPRESSOR REGULATOR VALVE AUTOMATIC DIMMING BLK/BRN WIRE BLK/GRN WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF ENGINE COOLANT LEVEL SENSOR FUSE 1 FUSE 10 FUSE 8 FUSE PANEL 1 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B FUSE PANEL F GRN WIRE GRN/GRY WIRE GRN/RED WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED INTERIOR LEFT REAR FOOTWELL TEMPERATURE SENSOR LEFT REAR SEAT HEATING BUTTON LIGHT RECOGNITION SENSOR ORG/BRN WIRE OUTSIDE AIR TEMPERATURE SENSOR REAR A/C DISPLAY CONTROL HEAD (IF EQUIPPED) REAR UPPER BODY VENT TEMPERATURE SENSOR REAR VIEW MIRROR) RED/GRY WIRE RED/VIO WIRE RELAY & FUSE CARRIER 1 RELAY & FUSE CARRIER 2 RIGHT FRONT UPPER BODY VENT TEMPERATURE SENSOR RIGHT REAR SEAT HEATING BUTTON SEATS SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/RED WIRE VIO/WHT WIRE W/ HIGH BEAM ASSIST W/O HIGH BEAM ASSIST WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/VIO WIRE

BLU/VIO WIRE BOTTOM COUPLING POINT ON LEFT A-PILLAR COUPLING POINT ON ROOF CUPHOLDER AMBIENT LIGHTING LAMP CUPHOLDER AMBIENT LIGHTING LAMP 2 DRIVER DOOR CONTROL MODULE DRIVING, CONVENIENCE FUNCTIONS CONTROL UNIT 1 ELECTRONIC STEERING COLUMN LOCK CONTROL MODULE GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/VIO WIRE LEFT DOOR STORAGE COMPARTMENT ILLUMINATION LAMP LEFT FRONT DOOR AMBIENT LIGHTING LIGHTING BULB 1 LEFT FRONT DOOR CONTOUR ILLUMINATION LAMP LEFT FRONT DOOR COUPLING POINT LEFT FRONT FOOTWELL LAMP LEFT FRONT SEAT BELT LEFT FRONT SEAT COUPLING STATION LIGHT SWITCH MEMORY SEAT/ STEERING COLUMN ADJUSTMENT CONTROL MODULE ORG/BLK WIRE ORG/BRN WIRE ORG/GRN WIRE POWER SUNROOF CONTROL MODULE RAIN/LIGHT RECOGNITION SENSOR RED/BLU WIRE RIGHT FRONT FOOTWELL LAMP RIGHT FRONT SEAT BELT STEERING COLUMN) VEHICLE ELECTRICAL SYSTEM CONTROL MODULE (UNDER LEFT END OF DASH) VIO WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE W/ AUXILIARY LAMPS WHT WIRE WIPER MOTOR CONTROL MODULE YEL WIRE

BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF FUSE 12 FUSE 3 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B GRN WIRE GRY WIRE HOT AT ALL TIMES HUMIDITY SENSOR LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT TURN SIGNAL BULB LEFT HEADLAMP AUXILIARY FUNCTIONS POWER OUTPUT MODULE LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT MATRIX HEADLAMP POWER OUTPUT MODULE LEFT STATIONARY CORNERING LAMP ORG/BRN WIRE POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE W/ HID W/O HID, MATRIX BEAM W/O HID W/ MATRIX BEAM W/O HID W/ MATRIX BEAM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR AUTOMATIC HIGH BEAM ASSIST CONTROL MODULE BLK/BLU WIRE BLK/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF CURRENT CODING RESISTANCE 1 FOR LEFT HEADLAMP FOG LAMP BUTTON FOG LAMP INDICATOR LAMP FUSE 11 FUSE 12 FUSE 3 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL B FUSE PANEL C GRN WIRE GRY WIRE GRY/RED WIRE HEADLAMP SWITCH ILLUMINATION BULB HOT AT ALL TIMES HUMIDITY SENSOR INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL, SWITCH ILLUMINATION DIMMER SWITCH LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT FOG LAMP BULB LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP BULB LEFT FRONT TURN SIGNAL BULB LEFT HEADLAMP TEMPERATURE SENSOR 1 LEFT HID HEADLAMP BULB LEFT LIGHT CONTROL MODULE LEFT LOW BEAM HEADLAMP REFLECTOR MOTOR LIGHT SWITCH ORG/BRN WIRE PARKING BRAKE INDICATOR LAMP POSITION LAMP INDICATOR LAMP POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR AUTOMATIC HIGH BEAM ASSIST CONTROL MODULE BLK/BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF FOG LAMP BUTTON FOG LAMP INDICATOR LAMP FUSE 11 FUSE 12 FUSE 13 FUSE 3 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRY WIRE GRY/RED WIRE HEADLAMP SWITCH ILLUMINATION BULB HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL, SWITCH ILLUMINATION DIMMER SWITCH LEFT DAYTIME RUNNING LAMP, POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT SIDE MARKER LAMP BULB LEFT FRONT TURN SIGNAL BULB LEFT HEADLAMP BEAM ADJUSTMENT MOTOR LEFT HEADLAMP CURRENT CODING RESISTANCE 1 LEFT HEADLAMP CURRENT CODING RESISTANCE 2 LEFT HEADLAMP CURRENT CODING RESISTANCE 3 LEFT HEADLAMP CURRENT CODING RESISTANCE 4 LEFT HEADLAMP CURRENT CODING RESISTANCE 5 LEFT HEADLAMP TEMPERATURE SENSOR 1 LEFT HEADLAMP TEMPERATURE SENSOR 2 LEFT HEADLAMP TEMPERATURE SENSOR 3 LEFT HEADLAMP TEMPERATURE SENSOR 4 LEFT HEADLAMP TEMPERATURE SENSOR 5 LEFT HIGH BEAM HEADLAMP BULB LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT LOW BEAM HEADLAMP BULB LEFT STATIONARY CORNERING LAMP LIGHT SWITCH ORG/BRN WIRE PARKING BRAKE INDICATOR LAMP POSITION LAMP INDICATOR LAMP POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON YEL WIRE YEL/BLK WIRE YEL/RED WIRE

AUTOMATIC DIMMING INTERIOR REAR VIEW MIRROR AUTOMATIC HIGH BEAM ASSIST CONTROL MODULE BLK/BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPLING POINT ON ROOF FOG LAMP BUTTON FOG LAMP INDICATOR LAMP FUSE 11 FUSE 12 FUSE 13 FUSE 3 FUSE 9 FUSE PANEL 2 FUSE PANEL 3 FUSE PANEL 4 FUSE PANEL B FUSE PANEL C GRN WIRE GRY WIRE GRY/RED WIRE HEADLAMP SWITCH ILLUMINATION BULB HOT AT ALL TIMES HOT W/ TERMINAL 15 POWER SUPPLY RELAY ENERGIZED HUMIDITY SENSOR INSTRUMENT CLUSTER CONTROL MODULE INSTRUMENT PANEL, SWITCH ILLUMINATION DIMMER SWITCH LEFT DAYTIME RUNNING LAMP AND POSITION LAMP LED MODULE LEFT FRONT HEADLAMP LEFT FRONT TURN SIGNAL BULB LEFT HEADLAMP AUXILIARY FUNCTIONS POWER OUTPUT MODULE LEFT HEADLAMP BEAM ADJUSTMENT MOTOR LEFT HEADLAMP CURRENT CODING RESISTANCE 3 LEFT HEADLAMP CURRENT CODING RESISTANCE 4 LEFT HEADLAMP FAN LEFT HEADLAMP TEMPERATURE SENSOR 1 LEFT HEADLAMP TEMPERATURE SENSOR 2 LEFT HEADLAMP TEMPERATURE SENSOR 3 LEFT HEADLAMP TEMPERATURE SENSOR 4 LEFT HEADLAMP TEMPERATURE SENSOR 5 LEFT HIGH BEAM HEADLAMP BULB LEFT LED HEADLAMP POWER OUTPUT MODULE 1 LEFT LIGHT CONTROL MODULE LEFT LOW BEAM HEADLAMP BULB LEFT MATRIX HEADLAMP POWER OUTPUT MODULE LEFT STATIONARY CORNERING LAMP LIGHT SWITCH ORG/ WIRE ORG/BRN WIRE ORG/GRN WIRE PARKING BRAKE INDICATOR LAMP POSITION LAMP INDICATOR LAMP POWER DISTRIBUTION SYSTEM RAIN/LIGHT RECOGNITION SENSOR RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY & FUSE CARRIER 1 RESISTANCE 1 LEFT HEADLAMP CURRENT CODING RESISTANCE 2 LEFT HEADLAMP CURRENT CODING VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD PROJECTION HEAD-UP DISPLAY BUTTON YEL WIRE YEL/BLK WIRE YEL/RED WIRE

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