Audi Q4 e-tron I (2021-2024) high voltage battery 1 Wiring diagrams

A/C PRESSURE/ TEMPERATURE SENSOR AIR QUALITY SENSOR (W/O HEAT PUMP) BLK/BLU WIRE BLK/YEL WIRE BOTTOM LEFT COUPLING POINT IN INTERIOR BOTTOM RIGHT COUPLING POINT IN INTERIOR BRN WIRE BRN/BLU WIRE EXTERIOR AIR QUALITY, HUMIDITY SENSOR FRONT A/C DISPLAY CONTROL HEAD FRONT HEATING, AIR CONDITIONING COUPLING POINT GRN/BLK WIRE GRN/VIO WIRE GRN/YEL WIRE HIGH VOLTAGE BATTERY 1 LEFT VENT TEMPERATURE SENSOR ORG/ WIRE REAR A/C DISPLAY CONTROL HEAD REAR VENT TEMPERATURE SENSOR RED/YEL WIRE REFRIGERANT CIRCUIT PRESSURE SENSOR REFRIGERANT EXPANSION VALVE 1 RIGHT VENT TEMPERATURE SENSOR VEHICLE INTERIOR TEMPERATURE SENSOR VIO/BLK WIRE VIO/BLU WIRE VIO/BRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE W/ HEAT PUMP WHT WIRE YEL WIRE

A/C PRESSURE TEMPERATURE SENSOR 2 A/C PRESSURE TEMPERATURE SENSOR 3 A/C PRESSURE TEMPERATURE SENSOR 4 A/C PRESSURE TEMPERATURE SENSOR 5 A/C PRESSURE/ TEMPERATURE SENSOR BATTERY REGULATION CONTROL MODULE BLK/BLU WIRE BRN WIRE BRN/BLU WIRE FRONT HEATING, AIR CONDITIONING COUPLING POINT GRN WIRE GRN/VIO WIRE GRY WIRE GRY/RED WIRE HIGH VOLTAGE BATTERY 1 HIGH VOLTAGE BATTERY COOLANT PUMP HIGH-VOLTAGE BATTERY WARMING MIXING VALVE HIGH-VOLTAGE BATTERY WARMING MIXING VALVE 2 LOW TEMPERATURE CIRCUIT COOLANT PUMP RED/GRN WIRE RED/YEL WIRE REFRIGERANT EXPANSION VALVE 1 REFRIGERANT EXPANSION VALVE 2 REFRIGERANT EXPANSION VALVE 3 REFRIGERANT SHUT-OFF VALVE 1 REFRIGERANT SHUT-OFF VALVE 2 REFRIGERANT SHUT-OFF VALVE 3 REFRIGERANT SHUT-OFF VALVE 4 REFRIGERANT SHUT-OFF VALVE 5 RWD VIO/BLK WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE W/ HEAT PUMP

BATTERY REGULATION CONTROL MODULE BLK WIRE BLU WIRE CENTER COUPLING POINT IN INTERIOR DRIVER VOLUME CONTROL FRONT INFORMATION DISPLAY CONTROL HEAD FRONT PASSENGER DOOR CONTROL MODULE GRN WIRE GRY/RED WIRE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE BATTERY CHARGER 1 INFORMATION ELECTRONICS CONTROL MODULE 1 INSTRUMENT CLUSTER LT BLU WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE PASSENGER SIDE REAR DOOR CONTROL MODULE RIGHT REAR DOOR COUPLING STATION VIO WIRE VIO/WHT WIRE VOLTAGE CONVERTER WHT WIRE WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE

ANTI-LOCK BRAKES SYSTEM BATTERY REGULATION CONTROL MODULE BLK WIRE BLK/GRY WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVE MOTOR 2 ROTOR POSITION SENSOR 1 DRIVE MOTOR INVERTER 2 DRIVE MOTOR TEMPERATURE SENSOR 2 ELECTRIC DRIVE CONTROL MODULE 2 ELECTRIC DRIVE MOTOR 2 ELECTRIC DRIVE POWER, CONTROL ELECTRONICS ELECTRIC DRIVE POWER, CONTROL ELECTRONICS 2 FUSE 3 FUSE 61 FUSE PANEL B FUSE PANEL C GRY/BLK WIRE GRY/BLU WIRE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE NETWORK WIRE JUNCTION 5 HIGH-VOLTAGE NETWORK WIRE JUNCTION 6 HOT AT ALL TIMES HV+ HV- HV- INTERMEDIATE CIRCUIT CAPACITOR 2 NCA WIRE ORG/ WIRE ORG/BLK WIRE RED/GRN WIRE THREE-PHASE CURRENT DRIVE 2

ANDROID CONTROL MODULE OPERATING SYSTEM BRN WIRE COUPLING STATION IN RIGHT FRONT SEAT DATA BUS ON BOARD DIAGNOSTIC INTERFACE DRIVER ASSISTANCE SYSTEMS FRONT CAMERA ENGINE/MOTOR CONTROL MODULE FRONT PASSENGER AIR BAG UNIT FRONT PASSENGER DOOR CONTROL MODULE FRONT PASSENGER EXTERIOR DOOR HANDLE FRONT PASSENGER SEAT ADJUSTMENT CONTROL HEAD FRONT PASSENGER SEAT SWITCH MODULE FRONT PASSENGER THORAX AIR BAG IGNITER GLOVE COMPARTMENT LAMP GRN WIRE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE BATTERY CHARGER 1 HIGH-VOLTAGE BATTERY CHARGING SOCKET 1 PASSENGER SIDE REAR DOOR CONTROL MODULE RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT ENTRY LAMP AMBIENT LIGHTING BULB RIGHT FRONT EXTERIOR DOOR HANDLE COUPLING POINT RIGHT FRONT FOOTWELL LAMP RIGHT FRONT SEAT COUPLING STATION RIGHT FRONT SEAT EXTENSION HEATING ELEMENT RIGHT FRONT SEAT HEATED BACKREST RIGHT REAR DOOR COUPLING POINT RIGHT REAR EXTERIOR DOOR HANDLE RIGHT REAR EXTERIOR DOOR HANDLE COUPLING POINT RIGHT REAR FOOTWELL LAMP ROOF SYSTEM CONTROL MODULE SEAT OCCUPANT DETECTION SYSTEM CONTROL MODULE THREE-PHASE CURRENT DRIVE W/ POWER SEAT ADJUSTER YEL/GRN WIRE

ALARM HORN BATTERY REGULATION CONTROL MODULE BLK WIRE BLOWER COUPLING POINT BOTTOM LEFT COUPLING POINT IN INTERIOR CENTER COUPLING POINT IN INTERIOR DATA BUS ON BOARD DIAGNOSTIC INTERFACE DRIVER VOLUME CONTROL ELECTRONIC DAMPING CONTROL MODULE FRESH AIR BLOWER CONTROL MODULE FROM FUSE PANEL A (DIAGRAM 1 OF 7) FRONT INFORMATION DISPLAY CONTROL HEAD FRONT PASSENGER DOOR CONTROL MODULE FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 34 FUSE 36 FUSE 37 FUSE 39 FUSE 40 FUSE 41 FUSE 42 FUSE 45 FUSE 46 FUSE 47 GARAGE DOOR OPENER CONTROL MODULE GRY WIRE HEATING, AIR CONDITIONING CONTROL MODULE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE SYSTEM MAINTENANCE CONNECTOR INFORMATION ELECTRONICS CONTROL MODULE 1 LEFT FRONT SEAT BELT PASSENGER SIDE REAR DOOR CONTROL MODULE REAR LID CONTROL MODULE REAR SUSPENSION COUPLING POINT RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COUPLING POINT RIGHT FRONT SEAT BELT RIGHT REAR DOOR COUPLING POINT SELECTOR LEVER STEERING COLUMN ELECTRONICS CONTROL MODULE TO FUSE 43 (DIAGRAM 5 OF 7) TOWING RECOGNITION CONTROL MODULE VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VOLTAGE CONVERTOR W/ ADVANCED SAFETY SYSTEMS W/ HEATED STEERING WHEEL W/O HEATED STEERING WHEEL WHT WIRE WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BOTTOM LEFT COUPLING POINT IN INTERIOR BRN WIRE BRN/WHT WIRE BRN/YEL WIRE DRIVER AIR BAG IGNITER DRIVER SEAT ADJUSTMENT CONTROL HEAD DRIVER SEAT BELT TENSIONER IGNITER 2 DRIVER SIDE B-PILLAR THORAX AIR BAG CRASH SENSOR DRIVER SIDE REAR SEAT BELT TENSIONER IGNITER DRIVER SIDE REAR THORAX AIR BAG CRASH SENSOR DRIVER THORAX AIR BAG CRASH SENSOR FRONT AIR BAG CRASH SENSOR FRONT PASSENGER SEAT BELT TENSIONER IGNITER 2 FRONT SUSPENSION COUPLING POINT GRN WIRE GRN/YEL WIRE GRY WIRE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE BATTERY INTERRUPT IGNITER LEFT FRONT DOOR COUPLING POINT LEFT FRONT SEAT COUPLING STATION PASSENGER SIDE FRONT AIR BAG CRASH SENSOR RED WIRE STEERING COLUMN ELECTRONICS CONTROL MODULE VIO WIRE VIO/RED WIRE VIO/WHT WIRE W/ HEATED STEERING WHEEL W/O HEATED STEERING WHEEL WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM AWD RWD RWD RWD BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HIGH VOLTAGE BATTERY 1 HIGH VOLTAGE BATTERY COOLANT PUMP HIGH-VOLTAGE BATTERY WARMING MIXING VALVE HIGH-VOLTAGE BATTERY WARMING MIXING VALVE 2 HIGH-VOLTAGE SYSTEM MAINTENANCE CONNECTOR LT BLU WIRE ORG/ WIRE ORG/BRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE VOLTAGE CONVERTER WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

BATTERY MODULE CONTROL MODULE (INSIDE HV BATTERY) BATTERY MODULE CONTROL MODULE 5 (INSIDE HV BATTERY) BATTERY MODULE CONTROL MODULE 9 (INSIDE HV BATTERY) BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DC CURRENT CHARGE PROTECTION 1 FRONT HEATING, AIR CONDITIONING COUPLING POINT GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE HEATING ELEMENT (PTC) 3 HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE BATTERY HIGH-VOLTAGE HEATER TEMPERATURE SENSOR 2 HIGH-VOLTAGE BATTERY POWER OUTPUT PROTECTION 1 HIGH-VOLTAGE HEATER (PTC) HIGH-VOLTAGE HEATER (PTC) CONTROL MODULE HIGH-VOLTAGE NETWORK COUPLING POINT HIGH-VOLTAGE SYSTEM FUSE 2 HV- NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/RED WIRE POSITIVE TERMINAL HIGH-VOLTAGE BATTERY CONTROL MODULE RED/GRN WIRE RWD VIO/BLU WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE

AWD RWD BLK WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/YEL WIRE CHARGING SOCKET 2 TEMPERATURE SENSOR 1 CHARGING SOCKET 3 TEMPERATURE SENSOR 1 CHARGING SOCKET TEMPERATURE SENSOR 1 COMPUTER DATA LINES SYSTEM ELECTRIC DRIVE CONTROL MODULE ELECTRIC DRIVE CONTROL MODULE 2 ELECTRIC DRIVE POWER, CONTROL ELECTRONICS ELECTRIC DRIVE POWER, CONTROL ELECTRONICS 2 GRN WIRE GRY WIRE HIGH VOLTAGE BATTERY 1 HIGH-VOLTAGE BATTERY CHARGING SOCKET 1 (RIGHT REAR QUARTERPANEL) HIGH-VOLTAGE CHARGING CONNECTOR LOCK 1 ADJUSTER HIGH-VOLTAGE CHARGING SOCKET COUPLING POINT 1 HIGH-VOLTAGE NETWORK WIRE JUNCTION 5 HIGH-VOLTAGE NETWORK WIRE JUNCTION 6 HV- INSTRUMENT CLUSTER NCA WIRE OPEN WIRE END ORG/ WIRE ORG/BRN WIRE RWD AWD VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE VIO/GRN WIRE W/ VEHICLE INLET COMBO 1 W/ VEHICLE INLET COMBO 2 WHT WIRE WIRE JUNCTION/HIGH-VOLTAGE YEL WIRE YEL/GRN WIRE