Porsche Cayman 987 facelift (2009-2012) computer data lines system Wiring diagrams

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

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

1 2 3 SIGNAL GROUND SUPPLY + ABSORBER) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUTTON MODULE COMPUTER DATA LINES SYSTEM DAMPTRONIC FUSE FUSE HOLDER C GRN/BLK WIRE HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED LEFT FRONT SHOCK ABSORBER VALVE (LOW ON LEFT FRONT SHOCK ABSORBER) LEFT REAR SHOCK ABSORBER VALVE (LOW ON LEFT REAR SHOCK ABSORBER) LEFT REAR VERTICAL SENSOR (LEFT REAR PASM (DAMPTRONIC) CONTROL UNIT (RIGHT KICK PANEL) REAR AXLE VERTICAL SENS SIG RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRY WIRE RF VERTICAL SENS GND RIGHT FRONT SHOCK ABSORBER VALVE (LOW ON RIGHT FRONT SHOCK ABSORBER) RIGHT FRONT VERTICAL SENSOR (RIGHT FRONT RIGHT REAR SHOCK ABSORBER VALVE (LOW ON RIGHT REAR SHOCK ABSORBER) WHT WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

12 31 13 20 RF SIDE MARKER LT LF SIDE MARKER LT R FOG LIGHT GND 2 5 CAN HIGH R SIDE MARKER LIGHT 21 32 RF TURN SIG L SIDE TURN/MARKER LT 34 40 LF TURN SIG GND 4 7 11 14 L SIDE TURN/MARKER SPLY CAN LOW LR TURN SIG HAZARD IND LT 6 9 17 STOP LIGHT SW LICENSE PLATE BATT (RIGHT) 8 10 11 CAN LOW REAR FOG LIGHT GND 9 8 CAN HIGH CAN LOW BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAKE PEDAL SWITCH BRN WIRE BRN/VIO WIRE COMBINED STEERING COLUMN MODULE COMPUTER DATA LINES SYSTEM COUPE CURRENT DISTRIBUTOR (BEHIND RIGHT FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUNCTION LIGHT FUSE FUSE FUSE FUSE SIDE OF DASH) FUSE HOLDER C GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED LEFT SIDE MARKER LIGHT LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL/ MARKER LIGHT LOCATING LIGHT ORG/ WIRE REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT SIDE MARKER LIGHT RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL/ MARKER LIGHT TURN SIGNAL LIGHT TURN SIGNAL SWITCH WARNING LIGHT BUTTON WHT WIRE WHT/ORG WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

2 1 GND SIDE MARKER LT 3 1 GND SIDE MARKER LT BACKUP LAMPS CIRCUIT BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/VIO 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 FUSE FUSE HOLDER A GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HIGH MOUNTED STOP LIGHT HOT AT ALL TIMES ILLUM LEFT FRONT DAYTIME RUNNING LIGHTS LEFT FRONT FOG LIGHT LEFT LICENSE PLATE LIGHT LEFT TAILLIGHT ASSEMBLY LIGHT SWITCH ORG/ WIRE POWER DISTRIBUTION SYSTEM REAR FOG LIGHT REAR FOG LIGHT TURN SIGNAL RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT FRONT DAYTIME RUNNING LIGHTS RIGHT FRONT FOG LIGHT RIGHT LICENSE PLATE LIGHT RIGHT TAILLIGHT ASSEMBLY SIDE MARKER RT STOP LIGHT TAILLIGHT TURN SIGNAL STOP LIGHT TAILLIGHT VEHICLE ELECTRICAL SYSTEM CONTROL MODULE VIO WIRE W/ DRL W/O DRL WHT WIRE WHT/ORG WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

12 6 GND GND 15 7 26 5 CAN HIGH CAN LOW SPLY SPLY 3 8 GND MTR GND MTR AHBA 5 26 RH HI BEAM LH HI BEAM ALWR SENSOR IN BLK WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BRIDGE PLUG (RELAY SUPPORT 1) BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CORNER SENSITIVE HEADLIGHTS CONTROL UNIT CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER C GND (MTR) GND ALWR SENSOR GND CAN HIGH CAN LOW GND GND GND GND GND GND MTR AHBA GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLU WIRE HI BEAM HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED LEFT FRONT ALWR SENSOR LEFT HEADLIGHT ASSEMBLY LEFT REAR ALWR SENSOR LH ALWR SENSOR LIN MTR LIN MTR AHBA LT LIN MTR RT LIN MTR LIN MTR AHBA LIN MTR AHBA TERMINAL 15 TERMINAL 15 ORG/ WIRE RED WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY SIG TURN SIG VERS VERS + ALWR VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

12 15 MIRROR HEATING + MIRROR HEATING - 19 5 6 TERM 31 CAN HIGH COMFORT CAN LOW COMFORT 7 11 MIRROR HEATER + MIRROR HEATING - 7 11 MIRROR HEATER MIRROR HEATING GND BATTERY BLK WIRE BLK/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CONTROL UNIT DRIVER'S MIRROR CONTROL UNIT HOT AT ALL TIMES FUSE HOT AT ALL TIMES FUSE HOLDER A FUSE PASSENGER'S DOOR CONTROL UNIT PASSENGER'S MIRROR CONTROL UNIT RED/GRN WIRE RED/WHT WIRE TERM 30 POWER WINDOW TERM 30 POWER WINDOW 5 6 CAN HIGH COMFORT CAN LOW COMFORT TERM 31 WHT WIRE WHT/GRN WIRE YEL WIRE

31 32 COMPUTER CAN HI DISPLAY CAN LO DISPLAY DATA LINES SYSTEM BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLOCK SIG COMPUTER DATA LINES SYSTEM CURRENT DME CONTROL UNIT ENG COMPT TEMP SEN GENERATOR GRN/BLK WIRE GRN/RED WIRE GROUND GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES B+ PLUG SOCKET (RIGHT SIDE OF TRANS- MISSION) HOT AT ALL TIMES FUSE HOLDER D FUSE HTR INSTRUMENT CLUSTER INTAKE TEMP SENSOR LIFT CONTROL VALVE CYLINDERS 1-3 (CYLINDER HEAD COVER) LIFT CONTROL VALVE CYLINDERS 4-6 (CYLINDER HEAD COVER) MASS AIR FLOW SENSOR PIPE DISTRIBUTION FLAP VALVE MAXI FUSE NCA WIRE ORG/BLK WIRE OXYGEN SENSOR (CYL 1-3) OXYGEN SENSOR (CYL 4-6) OXYGEN SENSOR AHEAD OF CATALYTIC CONVERTER PRESSURE CTRL + INJ VALVE/CYLINDER 3 PUMP CURRENT REG IN PUMP CURRENT REG IN PUMP CURRENT REG OUT PUMP CURRENT REG OUT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RESISTOR SECOND AIR PUMP RLY CAMSHAFT SENSOR 1 SECONDARY AIR PUMP (NET TO INTAKE BRIDGE) SECONDARY AIR PUMP RELAY (RELAY SUPPORT 2) SENSORS GND CAMSHAFT SENSOR 2 GENERATOR TERM STARTER STARTING/ CHARGING SYSTEM TEMP MOTOR OIL THROTTLE VALVE SIG HFM GND VIO WIRE VIO/RED WIRE VOLT VOLTAGE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

AIR TEMP SENS SENSOR GROUND CLUTCH SWITCH DME RELAY EXHAUST SYSTEM BANK 1) BANK 2 BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/WHT WIRE CAN HIGH DIAGNOSTICS MOD CAN LOW COMPUTER DATA LINES SYSTEM COOLING WATER (AT LEFT SIDE LEVEL SWITCH OF ENGINE (EXPANSION TANK) COMPT) DME CONTROL UNIT DMTL-HEIZUNG DIAGNOSTICS MOD ELECTRONIC MUFFLERS SYSTEM FUEL PUMP 1 FUSE FUSE FUSE FUSE FUSE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES FUSE HOLDER OXY SENS 2 GND OXYGEN SENS 2 OXYGEN SENS 1 OXYGEN SENSOR CATALYTIC CONVERTER 1 BANK 1 OXYGEN SENSOR CATALYTIC CONVERTER BANK 2 PEDAL VALVE SENSOR (UNDER ACCELERATOR PEDAL) POTENTIOMETER 1 ACTUAL VALUE 1 POTENTIOMETER 2 ACTUAL VALUE 2 RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SCAVENGE BLWR COMPT PURGE FAN SENS HEATING SHUTOFF VALVE STARTER RELAY STARTING/ CHARGING SYSTEM TERM 15 TERM 31 GND TERM 31 GND TERM 87 SPLY TERM 31 GND TERM 87 SPLY TERM 87 SPLY VIO WIRE VIO/RED WIRE W/ ON BOARD REFUELING VAPOR RECOVERY WATER LVL SW WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE

A/T BLK WIRE BLK/BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRIDGE PLUG (RELAY SUPPORT 1) BRN WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE CAMSHAFT ADJUSTMENT 1 CYLINDERS 1-3 (TOP OF ENGINE) CAMSHAFT ADJUSTMENT 2 CYLINDERS 4-6 (TOP OF ENGINE) CAN HIGH CAN LOW CLUTCH INTERLOCK SWITCH (CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM DISTRIBUTION PIPE FLAP VALVE ENGINE COMPARTMENT PURGE FAN FUEL LVL SENS FUEL PUMP RELAY #1 GRN/BLK WIRE GRN/BLU WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES FUSE HOLDER FUSE INSTRUMENT CLUSTER INTAKE PIPE FLAP VALVE (FRONT MIDDLE MIDDLE OF ENGINE) INTERLOCK - LIFT CONTROL VALVE CYLINDERS 1-3 (CYLINDER HEAD COVER) LIFT CONTROL VALVE CYLINDERS 4-6 (CYLINDER HEAD COVER) M/T MASS AIR FLOW SENSOR NTC- OIL LEVEL OIL LEVEL GND PDK CONTROL UNIT RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RELAY SUPPORT 1 (UNDER LEFT SIDE OF DASH, IN FOOTWELL) SIGNAL SPLY STARTER VIO WIRE VIO/GRN WIRE VIO/RED WIRE VOLT REF WHT/GRY WIRE WHT/RED WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE