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

3.0L TURBO, 3.0L TURBO HYBRID 4.0L TURBO 4.0L TURBO HYBRID AUTOMATIC GEARBOX CONTROL UNIT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CAN INFO HIGH CAN INFO LOW CAN PRIVAT HIGH CAN PRIVAT LOW COMPUTER DATA LINES SYSTEM ENGINE/MOTOR CONTROL UNIT FLEXRAY BRANCH 1 BM FLEXRAY BRANCH 1 BP FLEXRAY BRANCH 2 BM FLEXRAY BRANCH 2 BP FRONT FUSE BOX FUSE 4 FUSE 6 FUSE BOXES FUSE HOLDER D FUSE HOLDER E FUSE HOLDER G GEARBOX OIL COOLING VALVE GRN WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES IGNITION ON (TERMINAL 15) N/A ONBOARD SUPPLY CONTROL UNIT ORG/BLK WIRE ORG/BRN WIRE PARK/NEUTRAL START RELEASE PNK WIRE REAR FUSE BOX RED WIRE RED/VIO WIRE RED/YEL WIRE SELECTOR LEVER SENSORS CONTROL UNIT START RELEASE TERM 15 ACTIVATION TERM 30 TERM 31 THERMOSTATIC VALVE (THERMAL MANAGEMENT)

AUTOMATIC GEARBOX WIRING HARNESS CONNECTION (CCS) BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLU/VIO WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/BLU WIRE CAN HIGH CAN LOW COMPUTER DATA LINES SYSTEM DASHBOARD FUSE BOX ELECTRONIC IGNITION LOCK FUSE 11 FUSE 14 FUSE HOLDER A FUSE HOLDER J GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HAZ WARN LIGHT BUTTON HAZARD WARNING LIGHT SWITCH HIGH-LEVEL BRAKE LIGHT BULB HOT AT ALL TIMES LEFT BRAKE/DIR INDICATOR LEFT TURN SIGNAL LF PARKING LIGHT LIN 1 MARKER LIGHT N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE REAR FUSE BOX RED/YEL WIRE RF PARKING LIGHT RIGHT BRAKE LIGHT RIGHT BRAKE/DIR INDICATOR RIGHT FRONT HEADLIGHT RIGHT FRONT TURN SIGNAL, SIDE LIGHT RIGHT REAR DIR INDICATOR RIGHT TAIL LIGHT RIGHT TAIL LIGHT CLUSTER RIGHT TURN SIGNAL ROTARY LIGHT SWITCH SENSOR GROUND TAILLIGHT TERM 15 TERM 30 TERM 31 TRAILER DETECTOR CONTROL UNIT TURN SIGNAL VIO/WHT WIRE WHT/GRY WIRE WHT/VIO WIRE YEL/RED WIRE

BASS HORN BLK/GRN WIRE BRN WIRE CAN COMFORT LOW COMPUTER DATA LINES SYSTEM FRONT FUSE BOX FUSE 5 FUSE HOLDER E HORN O/P HOT AT ALL TIMES N/A ONBOARD SUPPLY CONTROL UNIT PNK CAN COMFORT HIGH WIRE RED WIRE TERM 30 TERM 31 TREBLE HORN

3.0L TURBO, 3.0L TURBO HYBRID ADDITIONAL INSTRUMENTS BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL BRAKE FLUID LEVEL WARNING CONTACT BRAKE FLUID SENSOR BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAN COMFORT HIGH CAN COMFORT LOW CAN DRIVE 1 HIGH CAN DRIVE 1 LOW CAN HIGH CAN INFO HIGH CAN INFO LOW CAN LOW COMPUTER DATA LINES SYSTEM COOLANT SHORTAGE INDICATOR SENDER COOLANT TEMP. SENSOR COOLANT TEMPERATURE SENDER DASH PANEL INSERT DASHBOARD FUSE BOX ENGINE/MOTOR CONTROL UNIT FUSE 3 FUSE 4 FUSE 9 FUSE HOLDER F GAS MODE WIRING HARNESS CONNECTION 6 GRN WIRE GRN/VIO WIRE GROUND GRY WIRE HEAD-UP DISPLAY CONTROL UNIT HOT AT ALL TIMES LVDS 1 - LVDS 2 - MOST IN MOST OUT MULTIMEDIA SYSTEM N/A NIGHT VISION SYSTEM CONTROL UNIT OIL PRESSURE SWITCH OIL TEMP SNSR GND OIL TEMP SNSR SIG OIL TEMPERATURE SENDER ONBOARD SUPPLY CONTROL UNIT OPTICAL WAVEGUIDE IN OPTICAL WAVEGUIDE OUT ORG/ WIRE ORG/BRN WIRE OUTPUT OUTSIDE TEMP SENS PARKING AID REAR LOUDSPEAKER PISTON SPRAY NOZZLE VALVE PNK WIRE REAR LOUDSPEAKER + REAR LOUDSPEAKER - RED WIRE RED/BLU WIRE RED/GRY WIRE RING BREAK DIAGNOSIS SENS GND SHIELD SIG SIGNAL SOUND SYSTEMS SPEAKER TEMP SENS CYLINDER HEAD TEMP SENS GND TERM 30 TERM 30 1 TERM 30-2 TERM 30-3 TERM 31 TERM 31-1 TERM 31-2 TERM 31-3 VIDEO IN - VIDEO OUT 1+ VIO/WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL/WHT WIRE

+6 V SUPPLY BLK WIRE BLK/YEL WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DIAGNOSTICS FRONT FUSE BOX FRONT PASSENGER AIR BAG WARNING LAMP FRONT ROOF MODULE FUSE 8 FUSE HOLDER E GRN WIRE GRN/BLU WIRE GRY/BLU WIRE HANDS-FREE MICROPHONE - HOT AT ALL TIMES INTERIOR LIGHTS SYSTEMS LEFT REAR BUTTON LIGHTING LIN 1 LIN 6 LIN INT SURVEILLANCE LIN ROOF CONSOLE MICROPH SOUND REC + N/A ONBOARD SUPPLY CONTROL UNIT ONBOARD SUPPLY CONTROL UNIT 2 PASS AIR BAG OFF LIGHT PASS AIR BAG ON LIGHT READING LIGHT REAR RIGHT BUTTON RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SOUND SYSTEMS TERM 30 TERM 31 VIO/WHT WIRE VIO/YEL WIRE WHT/BRN WIRE WHT/RED WIRE YEL/VIO WIRE

3.0L TURBO, 3.0L TURBO HYBRID AIR CONDITIONING SYSTEM CONTROL UNIT AUXILIARY HEATER CONTROL UNIT BLK WIRE BLK/RED WIRE BLK/VIO WIRE BRN WIRE CLUTCH ACTUATOR DRIVER DOOR CONTROL UNIT FROM MAIN RELAY (DIAGRAM 4 OF 9) FRONT FUSE BOX FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE HOLDER C FUSE HOLDER D GRN WIRE LEFT FRONT SEAT BACKREST FAN 1 LEFT FRONT SEAT CUSHION FAN 1 LEFT REAR DOOR CONTROL UNIT LEFT REAR SEAT BACKREST FAN 1 LEFT REAR SEAT CUSHION FAN 1 N/A ONBOARD SUPPLY CONTROL UNIT ONBOARD SUPPLY CONTROL UNIT 2 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT SEAT BACKREST FAN 1 RIGHT FRONT SEAT CUSHION FAN 1 RIGHT REAR DOOR CONTROL UNIT RIGHT REAR SEAT BACKREST FAN 1 RIGHT REAR SEAT CUSHION FAN 1 SLIDING SUNROOF ADJUSTMENT CONTROL UNIT TERMINAL 15 VOLTAGE SUPPLY RELAY TO FUSE 3 (DIAGRAM 3 OF 9) WHT WIRE WINDSCREEN WIPER

ACCELERATOR PEDAL MODULE ADAPTIVE CRUISE CONTROL UNIT AIR CONDITIONER SENSOR FINE PARTICLE CONCENTRATION AIR CONDITIONING SYSTEM PRESSURE SWITCH ALL-WHEEL DRIVE CONTROL UNIT ANTI-ROLL BAR CONTROL UNIT ANTI-ROLL BAR CONTROL UNIT 2 AXLE DIFFERENTIAL LOCK CONTROL UNIT BLK WIRE BLK/GRY WIRE BLK/RED WIRE BLK/YEL WIRE DATA BUS DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION EMERGENCY CALL MODULE CONTROL UNIT, COMMUNICATION UNIT ENGINE SOUND GENERATOR CONTROL UNIT ENGINE SOUND GENERATOR CONTROL UNIT 2 FROM FUSE 12 (DIAGRAM 2 OF 9) FRONT FUSE BOX FUSE 1 FUSE 10 FUSE 11 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 HOLDER D GEARBOX OIL COOLING VALVE INTERIOR MIRROR IONIZER 1 LEFT FRONT HEADLIGHT LEFT FRONT RADAR SENSOR CONTROL UNIT OBJECT DETECTION LEFT GEARBOX MOUNTING VALVE 1 N/A N/A N/A NIGHT VISION SYSTEM CONTROL UNIT ONBOARD SUPPLY CONTROL UNIT POWER, CONTROL ELECTRONICS ELECTRIC DRIVE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY A RELAY B RIGHT FRONT HEADLIGHT RIGHT FRONT RADAR SENSOR CONTROL UNIT OBJECT DETECTION STARTER MOTOR RELAY STRUCTURE-BORNE SOUND CONTROL UNIT WHT/RED WIRE YEL/VIO WIRE

AIR BAG CONTROL UNIT AIR HUMIDITY RAIN, LIGHT SENSOR BLK WIRE BLK/GRN WIRE DATA BUS DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION ELECTRONIC STABILIZATION PROGRAM CONTROL UNIT EMERGENCY CALL MODULE CONTROL UNIT, COMMUNICATION UNIT ENGINE/ MOTOR CONTROL UNIT FROM BATTERY ISOLATION UNIT (DIAGRAM 1 OF 9) FRONT FUSE BOX FRONT PASSENGER DOOR CONTROL UNIT FRONT ROOF 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 7 FUSE 8 FUSE 9 FUSE CARRIER 6 FUSE CARRIER 7 FUSE HOLDER E FUSE HOLDER S GEARBOX HYDRAULIC PUMP LEFT FRONT SEAT ADJUSTMENT CONTROL UNIT LEFT SEAT ADJUSTMENT CIRCUIT BREAKER MAIN RELAY N/A ONBOARD SUPPLY CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SELECTOR LEVER SENSORS CONTROL UNIT SIREN TO FUSE HOLDER B (DIAGRAM 5 OF 9) TO FUSE HOLDER C (DIAGRAM 2 OF 9) TO TERMINAL 15 VOLTAGE SUPPLY RELAY (DIAGRAM 2 OF 9) WHT WIRE WHT/BRN WIRE

3.0L TURBO, 3.0L TURBO HYBRID 4.0L TURBO 4.0L TURBO HYBRID ADAPTIVE SUSPENSION CONTROL ADJUSTABLE REAR SPOILER CONTROL UNIT AUTOMATIC GEARBOX CONTROL UNIT AXLE DIFFERENTIAL LOCK CONTROL UNIT DIGITAL SOUND PACKAGE AMPLIFIER FROM BATTERY ISOLATION UNIT (DIAGRAM 1 OF 9) FUSE 1 FUSE 10 FUSE 11 FUSE 12 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE CARRIER 9 FUSE HOLDER G FUSE HOLDER H LEFT REAR SEAT HEATING N/A N/A N/A N/A N/A N/A ONBOARD SUPPLY CONTROL UNIT REAR AIR CONDITIONING SYSTEM OPERATING, DISPLAY UNIT REAR FUSE BOX REAR LID POWER OPENING CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR SEAT HEATING TO FUSE CARRIER 8 (DIAGRAM 9 OF 9) TO FUSE HOLDER J (DIAGRAM 8 OF 9) TO FUSE HOLDER K (DIAGRAM 6 OF 9) TO FUSE HOLDER Y (DIAGRAM 9 OF 9) TO FUSE HOLDER Z (DIAGRAM 9 OF 9) TRAILER DETECTOR CONTROL UNIT

ADAPTIVE SUSPENSION CONTROL AUTOMATIC GEARBOX WIRING HARNESS CONNECTION (CCS) BACKUP LAMPS CIRCUIT BACKUP SIGNAL BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/WHT WIRE BRAKE BOOSTER BRAKE BOOSTER FUSE BRN WIRE BRN/YEL WIRE CAN HIGH CAN LOW COMPUTER DATA LINES SYSTEM ELECTRIC BRAKE ELECTRIC TRAILER BRAKES POTENTIOMETER EXTEND TOWBAR SYSTEM EXTERIOR LAMPS CIRCUIT FRONT FUSE BOX FUSE 10 FUSE 2 FUSE 5 FUSE 6 FUSE 7 FUSE 9 FUSE HOLDER D FUSE HOLDER G FUSE HOLDER H FUSE HOLDER Y GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GROUND GRY/BLU WIRE HALL SENSOR HALL SENSOR SIGNAL HOT AT ALL TIMES HOT W/ TERMINAL 15 VOLTAGE SUPPLY RELAY ENERGIZED IGNITION ON (TERMINAL 15) BRAKE LIGHT SWITCH LEFT TERM 30 LEFT TURN SIGNAL LOAD SILL LOWERING DOWN LOAD SILL LOWERING REDUNDANT LOAD SILL LOWERING UP LOAD SILL PROTECTION ILLU LOCKING BOLT 1 LOWER REAR LOWERING LOAD SILL, TOWING BRACKET OPERATING UNIT LOWERING TOWING BRACKET MOTOR MOTOR N/A ONBOARD SUPPLY CONTROL UNIT ORG/BRN WIRE ORG/GRY WIRE RAISE REAR REAR FUSE BOX REAR LOWERING LED RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RETRACT TOWBAR SYSTEM RIGHT TAIL LIGHT RIGHT TERM 30 RIGHT TURN SIGNAL SENSOR GROUND SIGNAL GROUND STOP LIGHT SWITCHING CONTACT REDUNDANT SWIVEL MOTOR TERM 15 ACT TERM 15 LOAD TERM 30 TERM 30 CHARGING LINE TERM 30 SWITCHED TERM 31 TOWING BRACKET WARNING LAMP TRAILER DETECTOR CONTROL UNIT WHT/GRN WIRE WHT/VIO WIRE YEL/GRY WIRE YEL/VIO WIRE