Porsche Cayman 987 facelift (2009-2012) vehicle electrical system control unit Wiring diagrams

2 8 CAN COMFORT HIGH CAN COMFORT LOW 37 38 6 CAN COMFORT HIGH CAN COMFORT LOW SPOILER SW MODULE 38 41 SPOILER MODE FUNC LIGHT SPORT MODE FUNC LIGHT BLK WIRE BLU/GRN WIRE BRN WIRE BRN/GRN WIRE BUTTON MODULE COMPUTER DATA LINES SYSTEM DRIVE SPOILER (REAR FLAP) FUSE GRN WIRE GROUND GRY/RED WIRE HOT AT ALL TIMES FUSE HOLDER A ILLUMINATION REAR CONTROL UNIT (UNDER DRIVER'S SEAT) RED WIRE SPOILER MODE FUNC LIGHT SPOILER SW MODULE SPORT MODE FUNC LIGHT VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

17 22 BATT (RIGHT) BACKUP LIGHT 2 8 11 CAN HIGH CAN LOW GND 3 6 BATT GND 37 38 40 CAN HIGH CAN LOW BACKUP LIGHT SWITCH ANTI-DAZZLING INTERIOR MIRROR BACKUP LIGHT BACKUP LIGHT SWITCH (TOP RIGHT OF TRANSMISSION) BATT (LEFT) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) EMERGENCY POWER PIN (UNDER LEFT SIDE OF DASH, AT KICK PANEL) EMERGENCY POWER SUPPLY RELAY FUSE FUSE HOLDER A GRN WIRE HOT AT ALL TIMES LEFT TAILLIGHT ASSEMBLY NCA WIRE POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT TAILLIGHT ASSEMBLY VEHICLE ELECTRICAL SYSTEM CONTROL UNIT YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SUPPLY 1 3 CAN LOW DRIVE CAN HIGH DRIVE 1 9 CAN HIGH DRIVE CAN LOW DRIVE 11 14 35 "K" LEAD DIAGNOSIS CAN LOW DRIVE CAN HIGH DRIVE 16 18 CAN LOW COMFORT CAN HIGH COMFORT 2 1 CAN LOW COMFORT CAN HIGH COMFORT 2 3 CAN LOW DRIVE CAN HIGH DRIVE 21 7 15 TERM 15 CAN LOW COMFORT CAN HIGH COMFORT 25 24 CAN LOW DRIVE CAN HIGH DRIVE 27 38 37 TERM 15 CAN LOW COMFORT CAN HIGH COMFORT 3 1 K LINE TERMINAL 15 3.4L 2.9L 31 15 CAN LOW COMFORT CAN HIGH COMFORT 32 31 30 CAN LOW DISPLAY CAN HIGH DISPLAY WAKE UP 41 54 37 36 CAN LOW DRIVE CAN HIGH DRIVE 49 50 CAN HIGH DRIVE CAN LOW DRIVE 5 9 10 WAKE UP CAN LOW DISPLAY CAN HIGH DISPLAY 6 5 CAN LOW COMFORT CAN HIGH COMFORT 8 13 CAN LOW COMFORT CAN HIGH COMFORT 8 2 CAN LOW COMFORT CAN HIGH COMFORT 8 9 11 10 CAN LOW COMFORT CAN HIGH COMFORT CAN LOW DRIVE CAN HIGH DRIVE 9 11 13 CAN LOW DISPLAY CAN HIGH DISPLAY WAKE UP AIR BAG CONTROL UNIT (UNDER CENTER CONSOLE) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CAN HI CAN HIGH DISPLAY CAN HIGH DIAGNOSIS CAN LO CAN LOW COMFORT CAN LOW DRIVE CAN LOW DISPLAY CAN LOW DIAGNOSTICS CD RADIO CLIMATRONIC CONTROL UNIT CORNER SENSITIVE HEADLIGHTS CONTROL UNIT CURRENT DIAGNOSIS CONNECTOR (BELOW LEFT SIDE OF DASH) DME CONTROL UNIT DRIVER DOOR CONTROL UNIT EMERGENCY POWER SUPPLY RELAY 1 FRONT CONTROL UNIT FUSE HOLDER B GP ELECTRONICS (AT LEFT SIDE OF DASH) GRN RED/ WIRE GRN WIRE GROUND HOT AT ALL TIMES FUSE HOT AT ALL TIMES FUSE DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) HOT W/ TERMINAL 15 RELAY ENERGIZED FUSE HOLDER C FUSE INSTRUMENT CLUSTER 2 5 4 CAN LOW DISPLAY CAN HIGH DISPLAY WAKE UP LEFT SEAT MEMORY CONTROL UNIT (UNDER LEFT SEAT) ORG/BLK WIRE ORG/BLU WIRE ORG/BRN WIRE PARKING ASSISTANT CONTROL UNIT (UNDER LEFT SEAT) PAS (DRIVER RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) PASM CONTROL UNIT (RIGHT KICK PANEL) PASSENGER DOOR CONTROL UNIT PDK CONTROL UNIT PORSCHE COMMUNICATIONS MANAGEMENT (PCM) (IN CENTER CONSOLE) RATE OF TURN SENSOR RDK CONTROL UNIT 29 28 CAN LOW DRIVE CAN HIGH DRIVE REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT SEAT MEMORY CONTROL UNIT (UNDER RIGHT SEAT) SELECTOR LEVER CONTROL UNIT SPORTCHRONO 8 13 CAN LOW COMFORT CAN HIGH COMFORT STEERING COLUMN COMBINED MODULE TERMINAL 15 VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WAKE UP TERMINAL 15 CAN HIGH COMFORT CAN HIGH DRIVE WAKEUP WEIGHT RECOGNITION CONTROL UNIT (UNDER PASSENGER SEAT) WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE CAN LOW COMFORT CAN HIGH COMFORT COMPUTER DATA LINES SYSTEM COUPE GRY/GRN WIRE HOT AT ALL TIMES FUSE HOLDER A FUSE REAR WINDOW DEF RELAY REAR WINDOW DEFOGGER REAR WINDOW HEATING RELAY (RELAY SUPPORT 1) VEHICLE ELECTRICAL SYSTEM CONTROL UNIT YEL WIRE

ALARM HORN BRIDGE PLUG 1 (RELAY SUPPORT 1) BRN WIRE BUTTON MODULE CIGAR LIGHTER CLUTCH INTERLOCK (CONVERTIBLE) SWITCH CONVERTIBLE TOP/GLASS ROOF BUTTON COMBINED STEERING COLUMN MODULE CONVERTIBLE TOP CLOSED RELAY DIAGNOSTIC PLUG SOCKET ELECTRONIC IGNITION LOCK FUEL PUMP FUEL LEVEL SENSOR GRN WIRE HEADLIGHT WASHER RELAY HEADLIGHT WASHING FLUID PUMP INSTRUMENT CLUSTER INTERIOR SENSOR LEFT GATEWAY VENTS CONTROL UNIT LIGHT LEFT HEATED SPRAY JET LUGGAGE COMPARTMENT LIGHT PACKAGE TRAY PLUG ASHTRAY SOCKET LIGHT PARKING BRAKE CONTACT SWITCH PAS (DRIVER RECOGNITION) CONTROL UNIT RDK CONTROL UNIT REAR WINDOW DEFOGGER RELAY SOCKET SPORT CHRONO VEHICLE ELECTRICAL LIGHT SYSTEM SWITCH CONTROL UNIT VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WASHING FLUID LEVEL SWITCH WHT WIRE WINDSHIELD WASHING FLUID PUMP WIPER MOTOR

29 38 5 7 15 26 35 SIDE MARKER LT SW LOW BEAM SW 37 38 39 30 33 CAN HIGH CAN LOW REAR FOG LIGHT SW FRONT FOG LIGHT SW AUTOMATIC LIGHT SW BATT BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HIGH BEAM HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED FUSE HOLDER C FUSE ILLUM L H/L BEAM SPLY VOLT CAN LOW CAN HIGH LEFT HEADLIGHT ASSEMBLY LIGHT SWITCH LOW BEAM LOW BEAM HIGH BEAM ORG/ WIRE R H/L BEAM SPLY VOLT TERM 15 RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY TURN SIGNAL VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 5 GND 3 6 BATT GND 4 5 7 10 11 23 24 15 16 17 20 25 26 27 33 40 R LOW BEAM R HIGH BEAM ADDITIONAL HIGH BEAMS ADDITIONAL HIGH BEAMS TURN SIGNAL BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FLAP FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE FUSE FUSE HOLDER C GND L LOW BEAM L HIGH BEAM GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) HOT W/ TERMINAL 15 RELAY ENERGIZED ILLUM LEFT FRONT HEADLIGHT VERTICAL AIMING CONTROL SENSOR LEFT HEADLIGHT ASSEMBLY LIGHT SWITCH LOW BEAM ORG/ WIRE R FRONT FOG LT L FRONT FOG LT R H/L BEAM SPLY V VERTICAL SENS GND RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY SIGNAL STEPPER MOTOR TERM 15 LOW BEAM SW TURN SIGNAL VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 GND 31 32 21 CAN HIGH DISPLAY CAN LOW DISPLAY DIM LED 34 38 HOME LINK LED REAR SPOILER FUNC LT ASHTRAY LIGHT BLK WIRE BLK/BLU WIRE BLK/RED WIRE BRIDGE PLUG BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/VIO WIRE BUTTON MODULE CENTRAL LOCKING SWITCH CIGAR LIGHTER COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP/ GLASS ROOF SWITCH COUPE FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FRONT LUGGAGE COMPARTMENT FRONT LUGGAGE COMPARTMENT LIGHT FRT LUGG COMPT SW GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HAZARD WARNING SWITCH HEADLIGHTS SYSTEM HOME LINK SWITCH 1 HOME LINK SWITCH 2 (CONVERTIBLE) HOMELINK KEYPAD HOT W/ TERMINAL 15 RELAY ENERGIZED FUSE HOLDER C FUSE ILLUM INSTRUMENT CLUSTER LEFT VENTS LIGHTS LIGHT SWITCH LT TERM MICRO SWITCH LOCK (FRONT OF FRONT LUGGAGE COMPT) MIDDLE VENTS LIGHTS ORG/ WIRE RED WIRE RELAY SUPPORT 1 RIGHT VENTS LIGHTS SILL BUTTON MODULE VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE

ASK BOSE BOSE AMPLIFIER SUBWOOFER AMPLIFIER BATTERY BLK WIRE BLU WIRE BRIDGE PLUG BRN WIRE CIGAR LIGHTER CONVERTIBLE TOP CLOSED RELAY CONVERTIBLE TOP OPEN RELAY CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) CURRENT FUSE DISTRIBUTOR HOLDER D (DIAGRAM (DIAGRAM 2 OF 5) 4 OF 5) DRIVER DOOR REAR CONTROL UNIT CONTROL UNIT FRONT END CONTROL UNIT FUSE FUSE FUSE FUSE HOLDER A FUSE FUSE HOLDER D (DIAGRAM 4 OF 5) FUSE HOLDER E GRN WIRE GRY WIRE LEFT LEFT RIGHT SEAT MEMORY MEMORY ADJUSTMENT SEAT SEAT CONTROL UNIT PACKAGE PASSENGER DOOR CONTROL UNIT PLUG SOCKET 2 PSM CONTROL UNIT REAR CONTROL UNIT REAR WINDOW HEATING RELAY INTERIOR LIGHTS SYSTEM RED WIRE RED/BRN WIRE RELAY SUPPORT 1 (UNDER LEFT SIDE OF DASH, IN FOOTWELL) RIGHT ELECTRIC SEAT ADJUSTMENT VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WHT WIRE YEL WIRE

ACTIVE BODYWORKS SYSTEM AUTOMATIC LIGHT SWITCH BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COUPE DASH) DEFOGGER SYSTEM INTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FRONT COVER OPENER BUTTON REAR COVER OPENER BUTTON FUNCTION LIGHT SPORT 2 FUSE GRN WIRE GRN/ORG WIRE GROUND CONNECTION 1 GRY WIRE GRY/BLU WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HOME LINK LED HOMELINK BUTTON 1 HOMELINK BUTTON 1 FOG LIGHT SWITCH HOMELINK BUTTON 2 HOMELINK BUTTON 3 HOMELINK KEYPAD HOMELINK TRANSMITTER (RIGHT FRONT OF FRONT TRUNK) HOT AT ALL TIMES HOT AT ALL TIMES CURRENT DISTRIBUTOR FUSE (BEHIND RIGHT SIDE OF DASH) HOT AT ALL TIMES FUSE HOLDER B FUSE HOT AT ALL TIMES MIDI FUSE (EXHAUST) INTERIOR LIGHTS SYSTEM ACTIVE BODYWORKS SYSTEM LED LEFT SEAT HEATER LEFT SEAT HEATER + LIN POWER DISTRIBUTION SYSTEM WIPER/WASHER SYSTEM RAIN SENSOR + RAIN SENSOR SIGNAL RAIN SENSOR - REAR SPOILER FUNC LIGHT REAR WINDOW DEFOGGER RLY LIGHT ORIENTATION TERMINAL HEADLIGHT CLEANER PUMP RLY RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE SEATS SYSTEM SPORT MODE FUNC LIGHT TERM 15 TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM COMPUTER DATA LINES SYSTEM VEHICLE ELECTRICAL SYSTEM CONTROL UNIT WASHING FLUID PUMP WASHING FLUID PUMP + WHT WIRE WHT/RED WIRE WINDSHIELD WIPER MTR PARKING SW WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE