Porsche Cayenne III (2017-2023) onboard supply control unit Wiring diagrams

BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID BRAKE FLUID LEVEL WARNING CONTACT BRAKE PAD BRAKE SERVO VACUUM SENDER BRN WIRE BRN/BLU WIRE CAN HIGH CAN LOW COMPUTER DATA LINES SYSTEM ELECTRONIC STABILIZATION PROGRAM CONTROL UNIT FLEXRAY 1- INPUT FLEXRAY 2- OUTPUT FRONT FUSE BOX FUSE 1 FUSE 2 FUSE CARRIER 7 FUSE HOLDER D GRN WIRE GRN/VIO WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/YEL WIRE HALL SENSOR HOT AT ALL TIMES HOT W/ TERMINAL 15 VOLTAGE SUPPLY RELAY ENERGIZED INPUT INSTRUMENT CLUSTER SYSTEM LEFT EPB ACTUATOR + LEFT EPB MOTOR + LEFT FRONT BRAKE PAD WEAR SENDER LEFT FRONT SPEED SENSOR LEFT PARKING BRAKE MOTOR LEFT REAR BRAKE PAD WEAR SENDER LEFT REAR SPEED SENSOR LEVEL LF INPUT SPD SENS SIG LF SPD SENS SPLY LR INPUT SPD SENS SIG LR SPD SENS SPLY MOTOR A MOTOR B N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE OUTPUT PARK BRAKE FUNCT DISPLAY PNK FLEXRAY 1+ OUTPUT PNK FLEXRAY 2+ OUTPUT WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/YEL WIRE RF SPD SENS INPUT RF SPD SENS SPLY RIGHT EPB ACTUATOR + RIGHT EPB MOTOR - RR INPUT SPD SENS SIG RR SPD SENS SPLY SENSOR SENSOR GROUND SENT SIGNAL SIGNAL SUPPLY SWITCH 1 SWITCH 2 SWITCH 3 SWITCH 4 TERM 15 TERM 15 ACT TERM 15 LOAD TERM 30 ELECTRONICS TERM 30 PUMP TERM 30 VALVES TERM 31 TERM 31 PUMP TERM 31 VALVES VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

A/C COMPRESSOR VALVE + AIR CONDITIONER COMPRESSOR AIR HUMIDITY RAIN, LIGHT SENSOR AUXILIARY PUMP FOR HEATING BLK/GRN WIRE BRN WIRE BRN/BLU WIRE CLUTCH COMPRESSOR CLUTCH CONTROL VALVE COOLANT SHORTAGE INDICATOR SENDER COOLANT TEMP SENS FRONT FUSE BOX FUSE 12 FUSE 13 FUSE 4 FUSE HOLDER A FUSE HOLDER E GND, BODY GRN/RED WIRE GRN/VIO WIRE GRY/BRN WIRE HOT AT ALL TIMES N/A ONBOARD SUPPLY CONTROL UNIT POS PWM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE SENSOR GROUND SIGNAL TERM 30 A/C TERM 31 VIO/WHT WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/RED WIRE YEL/VIO WIRE

A/C COMPRESSOR VALVE + AIR CONDITIONING SYSTEM AMBIENT LIGHTING IN ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM, ELECTRONIC POWER STEERING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLU/VIO WIRE BONNET CONTACT SWITCH BONNET CONTACT SWITCH 2 BRAKE FLUID SENSOR BRAKE PAD SENSOR BRN WIRE BRN/BLU WIRE CAN HIGH CAN LOW COMPRESSOR CLUTCH COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR DOOR LOCKS, ANTI-THEFT SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, STARTING/CHARGING SYSTEM FRONT FOOTWELL LIGHTING FRONT FUSE BOX FUSE 13 FUSE 15 FUSE 2 FUSE 3 FUSE 5 FUSE HOLDER C FUSE HOLDER D FUSE HOLDER E GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HAZARD WARNING LIGHT SWITCH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ TERMINAL 15 VOLTAGE SUPPLY RELAY ENERGIZED LEFT HIGH BEAM LEFT TERM 30 LIN 1 LIN 2 LIN 3 LIN 4 LIN 5 LIN 6 MAIN HEADLIGHT LEFT N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE OUTPUT RLY F PLUG SOCKETS OUTSIDE TEMPERATURE SENSOR POWER DISTRIBUTION SYSTEM REAR FOOTWELL LIGHTING RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RF PARKING LIGHT SEATS SYSTEM SENS GND SOUND SYSTEMS TERM 15 ACTIVATION TERM 15 LOAD TERM 30 A/C TERM 30 INTERIOR LIGHT TERM 30 PLUG SOCKETS VIO/WHT WIRE WASHER FLUID LEVEL SENSOR WHT/BLK WIRE WHT/GRN WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM WIPER/WASHER,AIR CONDITIONING, ANTI-LOCK BRAKES SYSTEM YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK/BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CAN COMFORT HIGH CAN COMFORT LOW CAN HIGH CAN LOW CAN TERMINATION HIGH CAN TERMINATION LOW COMPUTER DATA LINES SYSTEM FR CENTER RIGHT PARKING AID SENDER FRONT CAMERA GROUND FRONT CENTER LEFT PARKING AID SENDER FRONT FUSE BOX FRONT LEFT PARKING AID SENDER FUSE 1 FUSE 10 FUSE 5 FUSE 9 FUSE HOLDER C FUSE HOLDER E GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GROUND GRY WIRE HEADLIGHTS SYSTEM HORN OUTPUT HORNS SYSTEM HOT AT ALL TIMES LF PARKING LIGHT LF SEAT HEATING BACKREST LF SEAT HEATING SENS LF SEAT HEATING SURFACE N/A N/A N/A NAVIGATION SYSTEM ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE OUTPUT 1 OUTPUT 2 POSITIVE CONNECTION(30),IN FRONT LOUDSPEAKER WIRING HARNESS REAR CAMERA GROUND REAR CENTER LE PARKING AID SENSOR REAR CENTER RI PARKING AID SENSOR REAR LEFT PARKING AID SENSOR REAR RIGHT PARKING AID SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RF SEAT HEATING BACKREST RF SEAT HEATING BACKREST SENS RF SEAT HEATING SURFACE RF SEAT HEATING SURFACE SENS RH MAIN HEADLIGHTS RIGHT HIGH BEAM RIGHT TERM 30 SEATS SYSTEM SEATS, SUPPLEMENTAL RESTRAINTS SYSTEMS TERM 30 HORN TERM 30 PUMP HEADLIGHT WASHER SYSTEM TERM 30-3 VIO/BLU WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/VIO WIRE BLU/GRN WIRE BODY GND BRN WIRE CAN HIGH CAN LOW CODIERPIN 1 COMPUTER DATA LINES SYSTEM FRONT FUSE BOX FUSE 12 FUSE 2 FUSE HOLDER D GRY WIRE HEATER HOT W/ TERMINAL 15 VOLTAGE SUPPLY RELAY ENERGIZED LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT CUSHION FAN 1 LEFT FRONT SEAT EXTENSION HEATER ELEMENT LEFT FRONT SEAT HEATED BACKREST LEFT FRONT SEAT HEATED SEAT CUSHION LF SEAT HEATING BACKREST LF SEAT HEATING SENS LF SEAT HEATING SURFACE N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE RED/YEL WIRE TERM 15 VIO/WHT WIRE WHT/BLU WIRE WHT/YEL WIRE

BLK/VIO WIRE BRN WIRE CAN HIGH CAN LOW CODIERPIN 1 CODIERPIN 3 COMPUTER DATA LINES SYSTEM FRONT FUSE BOX FUSE 12 FUSE 2 FUSE HOLDER D GRN/BLU WIRE GRY WIRE HEATER HOT W/ TERMINAL 15 VOLTAGE SUPPLY RELAY ENERGIZED N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE RED/BLU WIRE RED/YEL WIRE RF SEAT HEATING BACKREST RF SEAT HEATING SENS RF SEAT HEATING SURFACE RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT CUSHION FAN 1 RIGHT FRONT SEAT EXTENSION HEATER ELEMENT RIGHT FRONT SEAT HEATED BACKREST RIGHT FRONT SEAT HEATED SEAT CUSHION TERM 15 TERM 31 VIO/WHT WIRE VIO/YEL WIRE WHT/BLU WIRE WHT/YEL WIRE

AIR HUMIDITY RAIN, LIGHT SENSOR AMBIENT TEMPERATURE SENSOR BLK WIRE BRAKE FLUID LEVEL WARNING CONTACT BRN WIRE BRN/BLU WIRE CAN COMFORT HIGH CAN COMFORT LOW CAN INFO HIGH CAN INFO LOW COMPUTER DATA LINES SYSTEM COOLANT SHORTAGE INDICATOR SENDER DATA BUS DIAGNOSTIC INTERFACE FRONT FUSE BOX FUSE 12 FUSE 13 FUSE 7 FUSE HOLDER C FUSE HOLDER E GROUND GRY WIRE GRY/WHT WIRE HEADLIGHT WASHER PUMP HEADLIGHT WASHER SYSTEM PUMP HEATED SPRAY HOT AT ALL TIMES LEFT WINDSCREEN SPRAY NOZZLE LOUDSPEAKER WIRING HARNESS OUTPUT CONNECTION N/A N/A N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE OUTPUT 1 OUTPUT 2 REAR WINDOW SPRAY NOZZLE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT WINDSCREEN SPRAY NOZZLE SENSOR GROUND SIGNAL STEERING COLUMN ELECTRONICS CONTROL UNIT TERM 30 TERM 30 A/C TERM 31 VIO WIRE VIO/WHT WIRE WASHER FLUID WASHER FLUID LEVEL SENDER WASHER FLUID LEVEL SENSOR WHT WIRE WINDSCREEN WIPER

ALARM HORN AUXILIARY HEATER CONTROL UNIT AUXILIARY PUMP FOR HEATING BASS HORN BRAKE LIGHT SWITCH BRAKE SERVO CONTROL UNIT BRN WIRE CIRCULATION PUMP 2 COOLANT PUMP DIAGNOSTIC CONNECTION DRIVER DOOR CONTROL UNIT DRIVER SIDE CENTRAL LOCKING LOCK UNIT ELECTRIC TRAILER BRAKES POTENTIOMETER ELECTRICAL AIR CONDITIONER COMPRESSOR ELECTRO-HYDRAULIC ENGINE MOUNTING CONTROL UNIT HEADLIGHT WASHER SYSTEM PUMP HIGH VOLTAGE BATTERY PRE- HEATING MIXING VALVE 2 HIGH-VOLTAGE HEATER (PTC) LEFT FRONT EXTERIOR DOOR HANDLE CONTACT SENSOR ONBOARD SUPPLY CONTROL UNIT RADIATOR BLIND CONTROL MOTOR RADIATOR BLIND CONTROL MOTOR 3 RADIATOR BLIND CONTROL MOTOR 5 RADIATOR FAN REFRIGERANT CIRCULATION SOLENOID VALVE RIGHT BONNET CONTACT SWITCH 2 RIGHT FRONT HEADLIGHT RIGHT REAR TRIGGER 2 FOR PEDESTRIAN PROTECTION SECONDARY AIR PUMP MOTOR SIREN BACKUP HORN SOLENOID FOR COOLANT CIRCUIT SOLENOID VALVE 2 SOLENOID VALVE 3 SOLENOID VALVE 4 STRUCTURE-BORNE SOUND CONTROL UNIT TERMINAL 15 VOLTAGE SUPPLY RELAY THERMAL MANAGEMENT CONTROL UNIT TRIGGER 1 FOR PEDESTRIAN PROTECTION WINDSCREEN WIPER

2 3 TERM 31 AMBIENT LIGHT IN ASHTRAY ILLUMINATION BULB BLU/RED WIRE BRN WIRE CAN HIGH CAN LOW CENTER CONSOLE REAR STORAGE COMPARTMENT ILLUMINATION BULB CIGARETTE LIGHTER COMPUTER DATA LINES SYSTEM DASHBOARD FUSE BOX FRONT FOOTWELL LIGHT FRONT FUSE BOX FUSE 11 FUSE 5 FUSE HOLDER E FUSE HOLDER F GLOVE COMPARTMENT LIGHT GLOVE COMPARTMENT LIGHT SWITCH GRN WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES LED LIN 1 LIN 5 LIN 6 N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE REAR CENTER ASHTRAY ILLUMINATION BULB REAR FOOTWELL LIGHTING RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE ROTARY LIGHT SWITCH SIG TERM 30 TERM 30 INTERIOR TERM 30 SWITCHED TERM 31 USB CHARGING SOCKET 1 VIO/WHT WIRE YEL/GRN WIRE

BLU/YEL WIRE BRN WIRE CAN COMFORT HI CAN COMFORT LO CENTER CONSOLE FRONT CIGARETTE LIGHTER COMPUTER DATA LINES SYSTEM ELECT IGNITION LOCK SW 1 ELECT IGNITION LOCK SW 2 ELECT IGNITION LOCK SW 3 ELECT IGNITION LOCK SW 4 ELECTRIC TRAILER BRAKES POTENTIOMETER ELECTRONIC IGNITION LOCK FROM FUSE CARRIER 9 (DIAGRAM 7 OF 9) FROM FUSE HOLDER H (DIAGRAM 7 OF 9) FUSE 1 FUSE 2 FUSE CARRIER 8 FUSE HOLDER Y FUSE HOLDER Z GAS SUSPENSION COMPRESSOR GRN WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING LIGHT SWITCH HEATED REAR WINDOW RELAY N/A O/T RLY F PLUG SOCKETS ONBOARD SUPPLY CONTROL UNIT ONBOARD SUPPLY CONTROL UNIT 2 ORG/BRN WIRE REAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT SEAT ADJUSTMENT CONTROL UNIT RIGHT SEAT ADJUSTMENT CIRCUIT BREAKER SIGNAL 1 SIGNAL 2 SIGNAL 3 SIGNAL 4 TERM 30 TERM 31 TERM 58 D USB CHARGING SOCKET 1 WHT/GRY WIRE YEL/GRY WIRE