Porsche Cayenne Turbo III (2017-2023) thermal management control unit Wiring diagrams

AIR CONDITIONING SYSTEM BLK/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAN HIGH HYBRID CAN HYBRID HIGH CAN HYBRID LOW CAN LOW HYBRID CIRCULATION PUMP COMPUTER DATA LINES SYSTEM COOLANT PMP RLY COOLANT PUMP RELAY COOLANT SHORTAGE IND COOLANT SHORTAGE INDICATOR SENDER 2 EANABLE RADIATOR FAN 1 EANABLE RADIATOR FAN 2 ENGINE/MOTOR CONTROL UNIT FLEXRAY 2- OUTPUT PNK FLEXRAY 2+ OUTPUT WIRE FRONT FUSE BOX FUSE 11 FUSE 14 FUSE 3 FUSE CARRIER 4 FUSE HOLDER B FUSE HOLDER K GRN WIRE GRN/RED WIRE GRN/VIO WIRE HIGH VOLTAGE BATTERY 1 HIGH VOLTAGE BATTERY COOLANT PUMP HOT AT ALL TIMES LOCK LOW TEMPERATURE CIRCUIT COOLANT PUMP 2 N/A ORG/BRN WIRE POSITIVE PWM PWM PUMP PWM RADIATOR FAN 1 PWM RADIATOR FAN 2 RADIATOR FAN RADIATOR FAN 1 PWM RADIATOR FAN 2 PWM RADIATOR RELAY REAR FUSE BOX RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY CARRIER 6 TAN WIRE TERM 30 TERM 30 RELAY TERM 87 THERMAL MANAGEMENT CONTROL UNIT UBATT VIO/WHT WIRE YEL/VIO WIRE

AIR CONDITIONING SYSTEM BLK/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAN HIGH HYBRID CAN HYBRID HIGH CAN HYBRID LOW CAN LOW HYBRID CIRCULATION PUMP COMPUTER DATA LINES SYSTEM COOLANT PMP RLY COOLANT PUMP RELAY COOLANT SHORTAGE IND COOLANT SHORTAGE INDICATOR SENDER 2 EANABLE RADIATOR FAN 1 EANABLE RADIATOR FAN 2 ENGINE/MOTOR CONTROL UNIT FLEXRAY 2- OUTPUT PNK FLEXRAY 2+ OUTPUT WIRE FRONT FUSE BOX FUSE 11 FUSE 14 FUSE 3 FUSE CARRIER 4 FUSE HOLDER B FUSE HOLDER K GRN WIRE GRN/RED WIRE GRN/VIO WIRE HIGH VOLTAGE BATTERY 1 HIGH VOLTAGE BATTERY COOLANT PUMP HOT AT ALL TIMES LOCK LOW TEMPERATURE CIRCUIT COOLANT PUMP 2 N/A ORG/BRN WIRE POSITIVE PWM PWM PUMP PWM RADIATOR FAN 1 PWM RADIATOR FAN 2 RADIATOR FAN RADIATOR FAN 1 PWM RADIATOR FAN 2 PWM RADIATOR RELAY REAR FUSE BOX RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY CARRIER 6 TAN WIRE TERM 30 TERM 30 RELAY TERM 87 THERMAL MANAGEMENT CONTROL UNIT UBATT VIO/WHT WIRE YEL/VIO WIRE

BRN WIRE CAN CONNECT HIGH CAN CONNECT LOW CAN HIGH CAN LOW DATA BUS DIAGNOSTIC INTERFACE DIAGNOSTIC CONNECTION ELECTRIC DRIVE POWER, CONTROL ELECTRONICS EMERGENCY CALL MODULE CONTROL UNIT, COMMUNICATION UNIT ETHERNET FRONT FUSE BOX FUSE 1 FUSE 12 FUSE HOLDER D FUSE HOLDER E FXRY BRANCH 1 BM FXRY BRANCH 1 BP GRN WIRE GRY/RED WIRE GRY/VIO WIRE HIGH VOLTAGE BATTERY 1 HIGH VOLTAGE BATTERY CHARGING UNIT 1 HOT AT ALL TIMES N/A ORG/BRN WIRE PNK WIRE RED WIRE RED/BLU WIRE TAN WIRE THERMAL MANAGEMENT CONTROL UNIT

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

ADDITIONAL INSTRUMENTS ALL-WHEEL DRIVE CONTROL UNIT CONNECTION (AERIAL), IN REAR LOUDSPEAKER WIRING HARNESS CONNECTION (TEMPERATURE SENSOR/ POTENTIOMETER) IN FRONT RIGHT WIRING HARNESS DASH PANEL INSERT DASHBOARD FUSE BOX ELECTRICALLY ADJUSTABLE STEERING COLUMN CONTROL UNIT ELECTRO-HYDRAULIC ENGINE MOUNTING CONTROL UNIT FROM MAIN RELAY (DIAGRAM 4 OF 9) FRONT FUSE BOX 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 HOLDER B FUSE HOLDER F GRY/RED WIRE HEAD-UP DISPLAY CONTROL UNIT INTERFACE FOR EXTERNAL AUDIO SOURCES LEFT FRONT SEAT BELT MULTIMEDIA SYSTEM MULTIMEDIA SYSTEM OPERATING MULTIMEDIA SYSTEM OPERATING UNIT 2 N/A N/A N/A OPERATING, DISPLAY UNIT FOR MULTIMEDIA SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY B STARTER MOTOR RELAY RIGHT FRONT SEAT BELT ROTARY LIGHT SWITCH STEERING COLUMN ELECTRONICS CONTROL UNIT STEERING COLUMN LOCK CONTROL ELEMENT THERMAL MANAGEMENT CONTROL UNIT YEL/BLK WIRE YEL/GRN WIRE

4.0L TURBO HYBRID, 3.0L TURBO HYBRID AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN HYBRID HIGH CAN HYBRID LOW CIRCULATION PUMP CIRCULATION PUMP 2 CIRCULATION PUMP 4 CIRCULATION PUMP 5 COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENDER 1 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 2 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 3 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 4 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 5 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 6 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 7 FOR THERMAL MANAGEMENT COOLANT VALVE 1 COOLANT VALVE 2 COOLANT VALVE 3 ENABLE RADIATOR FAN 1 ENABLE RADIATOR FAN 2 FUSE 1 FUSE 10 FUSE 11 FUSE 14 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 8 FUSE 9 FUSE HOLDER G FUSE HOLDER K GND ACTUATORS/ SENS GND SENS GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE HOT AT ALL TIMES LIN 1 LIN 2 N/A N/A N/A ORG/BRN WIRE POSI PWM RADIATOR FAN 1 PWM RADIATOR FAN 2 REAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SHORTAGE IND SENS 2 SHUT-OFF VALVE SIG TAN WIRE TERM 30 THERMAL MANAGEMENT CONTROL UNIT VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE

4.0L TURBO HYBRID, 3.0L TURBO HYBRID AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE CAN HYBRID HIGH CAN HYBRID LOW CIRCULATION PUMP CIRCULATION PUMP 2 CIRCULATION PUMP 4 CIRCULATION PUMP 5 COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENDER 1 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 2 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 3 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 4 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 5 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 6 FOR THERMAL MANAGEMENT COOLANT TEMPERATURE SENDER 7 FOR THERMAL MANAGEMENT COOLANT VALVE 1 COOLANT VALVE 2 COOLANT VALVE 3 ENABLE RADIATOR FAN 1 ENABLE RADIATOR FAN 2 FUSE 1 FUSE 10 FUSE 11 FUSE 14 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 8 FUSE 9 FUSE HOLDER G FUSE HOLDER K GND ACTUATORS/ SENS GND SENS GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE HOT AT ALL TIMES LIN 1 LIN 2 N/A N/A N/A ORG/BRN WIRE POSI PWM RADIATOR FAN 1 PWM RADIATOR FAN 2 REAR FUSE BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SHORTAGE IND SENS 2 SHUT-OFF VALVE SIG TAN WIRE TERM 30 THERMAL MANAGEMENT CONTROL UNIT VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE