Porsche Cayman 987 (2005-2009) computer data lines system Wiring diagrams

17 22 BATT (RIGHT) BACK-UP LIGHT 2 8 11 CAN HIGH CAN LOW GND 3 6 42 BATT GND GND 37 38 40 CAN HIGH CAN LOW BACK-UP LIGHT SWITCH A/T M/T ANTI- DAZZLING INSIDE MIRROR BACK- UP LIGHT BACK-UP LIGHT SWITCH (ON TOP RIGHT OF TRANS- MISSION) BATT (LEFT) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 EMERGENCY POWER SUPPLY RELAY 2 FUSE FUSE HOLDER A (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE HOT AT ALL TIMES LEFT TAILLIGHT ASSEMBLY BACK- UP LIGHT NCA WIRE ONBOARD NETWORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) PARKING ASSISTANT CONTROL UNIT (UNDER DRIVER'S SEAT) POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER DRIVER'S SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT TAILLIGHT ASSEMBLY YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN LOW DRIVE PASM UP/DOWN INPUT CAN HIGH DRIVE RF VERTICAL SENS SIGNAL COMPUTER DATA LINES SYSTEM DAMPTRONIC FUSE FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN/BLK WIRE HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED LEFT FRONT ABSORBER VALVE (ON LOW LEFT FRONT ABSORBER) LEFT REAR ABSORBER VALVE (ON LOW LEFT REAR ABSORBER) LEFT REAR VERTICAL SENSOR (AT LEFT REAR ABSORBER) LR VERTICAL SENS GND LR VERTICAL SENS SIGNAL MODULE SWITCH NCA WIRE PASM (DAMTRONIC) CONTROL UNIT (AT RIGHT KICK PANEL) RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRY WIRE RIGHT FRONT ABSORBER VALVE (ON LOW RIGHT FRONT ABSORBER) RIGHT FRONT VERTICAL SENSOR (AT RIGHT FRONT ABSORBER) RIGHT REAR ABSORBER VALVE (ON LOW RIGHT REAR ABSORBER) WHT WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/WHT WIRE

2 5 CAN HIGH R SIDE MARKER LIGHT 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 BLK WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAKE PEDAL SWITCH BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUNCTION LIGHT FUSE FUSE FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED ILLUM LIGHT LEFT HEADLIGHT ASSEMBLY LEFT SIDE TURN SIGNAL/ MARKER LIGHT ORG/ WIRE PAS (DRIVER RECOGNITION) CONTROL UNIT (BEHIND LEFT SIDE OF DASH) STOP LIGHT SW REAR CONTROL UNIT (UNDER DRIVER'S SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT SIDE TURN SIGNAL/ MARKER LIGHT SIDE MARKER LIGHT TURN SIGNAL LIGHT TURN SIGNAL LIGHT/ SIDE MARKER LIGHT WHT WIRE WHT/ORG WIRE YEL WIRE YEL/BLK WIRE

3 6 30 33 33 BATT GND FRONT FOG LIGHT SW AUTOMATIC LIGHT SW REAR FOG LIGHT SW 37 38 CAN HIGH CAN LOW BACK- UP LIGHT BACK- UP LIGHT TURN SIGNAL BACK-UP LAMP 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 EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 EMERGENCY POWER SUPPLY RELAY 2 FUSE FUSE FUSE FUSE HOLDER A (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HIGH MOUNT STOP LIGHT HOT AT ALL TIMES ILLUM LEFT LICENSE PLATE LIGHT LEFT TAILLIGHT ASSEMBLY (UNDER DRIVER'S SEAT) LIGHT SWITCH NCA WIRE ONBOARD NET WORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT LICENSE PLATE LIGHT RIGHT TAILLIGHT ASSEMBLY SIDE MARKER LIGHT FOG LIGHT SIDE MARKER LIGHT SIDE MARKER LIGHT FOG LIGHT SIDE MARKER LIGHT SIDE MARKER LIGHT STOP LIGHT SIDE MARKER LIGHT STOP LIGHT TURN SIGNAL VIO WIRE WHT WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

3 6 30 33 33 BATT GND FRONT FOG LIGHT SW AUTOMATIC LIGHT SW REAR FOG LIGHT SW 37 38 CAN HIGH CAN LOW 5 7 15 26 29 35 38 L H/L BEAM SPLY VOLT CAN LOW CAN HIGH BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 FOG LIGHT FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE FUSE FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) FUSE GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HIGH BEAM HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED ILLUM LEFT HEADLIGHT ASSEMBLY LIGHT SWITCH LOW BEAM ONBOARD NET WORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) ORG/ WIRE POWER DISTRIBUTION SYSTEM R H/L BEAM SPLY VOLT SIDE MARKER LT SW IGNITION (POS II/III) LOW BEAM SW RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY SIDE MARKER TURN SIGNAL TURN SIGNAL SIDE MARKER FOG LIGHT WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

1 4 5 GND SIGNAL 3 6 30 33 33 BATT GND FRONT FOG LIGHT SW AUTOMATIC LIGHT SW REAR FOG LIGHT SW 37 38 CAN HIGH CAN LOW 4 5 7 10 11 15 16 17 20 23 24 25 26 27 33 40 R LOW BEAM R HIGH BEAM BLK WIRE BLU WIRE BLU/ORG WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 FLAPPER FOG LIGHT FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE FUSE FUSE FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) FUSE GND R FRONT FOG LT L FRONT FOG LT 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 HIGH BEAM HIGH BEAM TURN SIGNAL SIDE MARKER HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED IGNITION (POS II/III) LOW BEAM SW LR VERTICAL SENS IN ILLUM LEFT FRONT HEADLIGHT VERTICAL AIMING CONTROL SENSOR (AT LEFT FRONT ABSORBER) LEFT HEADLIGHT ASSEMBLY LEFT REAR HEADLIGHT VERTICAL AIMING CONTROL SENSOR (AT LEFT REAR ABSORBER) LIGHT SWITCH LOW BEAM ONBOARD NET WORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) ORG/ WIRE POWER DISTRIBUTION SYSTEM R H/L BEAM SPLY V VERTICAL SENS GND RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT HEADLIGHT ASSEMBLY STEP MOTOR TURN SIGNAL SIDE MARKER 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 GROUND HORN 1 20 22 HIGH RANGE HORN GND LOW RANGE HORN 2 7 15 TWO-TONE HORN SPLY CAN LOW CAN HIGH 39 40 CAN HIGH DRIVE CAN LOW DRIVE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE COMPUTER DATA LINES CONNECTOR COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) HIGH RANGE HORN HORN SWITCH HOT AT ALL TIMES FUSE LOW RANGE HORN RED WIRE STEERING COLUMN COMBINED MODULE VIO/BLK WIRE YEL WIRE YEL/WHT WIRE

ANTI-LOCK SYSTEM BLK/BLU WIRE BLK/ORG WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PAD WEAR BRAKE PAD WEAR CLUTCH SWITCH WASHING FLUID LEVEL RESERVE RESERVE BRN/BLK WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE CLUTCH SWITCH COMPUTER DATA LINES SYSTEM FUEL PUMP FUEL LEVEL SENSOR FUSE FUSE HOLDER B (UNDER LEFT SIDE OF DASH, AT KICK PANEL) FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT KICK PANEL) GRN WIRE GRN/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER NAVIGATION SYSTEM OIL TEMPERATURE, OIL LEVEL SENSOR ORG/ WIRE PARKING ASSISTANT TERM 31 TERM 30 RED/BLU WIRE SELECTOR LEVER SW POS SELECTOR LEVER SW POS SELECTOR LEVER SW POS TERM 31 TERM 30 TRANSMISSION SYSTEM VIO WIRE WASHER FLUID LEVEL SWITCH WHT/BLK WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK 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 COMPUTER DATA LINES SYSTEM ENG COMPT TEMP SEN ENG SPEED SENS SHD GENERATOR TERM GRN/BLK WIRE GRN/RED WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES B+ PLUG SOCKET HOT AT ALL TIMES FUSE HOLDER D (UNDER LEFT SIDE OF DASH, AT KICK PANEL) FUSE INJ VALVE/CYLINDER 3 INTAKE PIPE FLAP SENSORS GND CAMSHAFT SENSOR 2 INTAKE TEMP SENSOR MASS AIRFLOW SENSOR MAXI FUSE MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE ORG/BLK WIRE OXYGEN SENSOR (BEFORE CAT 1) OXYGEN SENSOR (BEFORE CAT 2) OXYGEN SENSOR (CYL 1-3) (IN EXHAUST MANIFOLD) OXYGEN SENSOR (CYL 4-6) (IN EXHAUST MANIFOLD) PAS (DRIVER RECOGNITION) CONTROL MODULE (BEHIND LEFT SIDE OF DASH) PUMP CURRENT REG IN PUMP CURRENT REG IN PUMP CURRENT REG OUT PUMP CURRENT REG OUT CAN TIPTRONIC LOW CAN TIPTRONIC HIGH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECOND AIR PUMP RLY CAMSHAFT SENSOR 1 P/N RELEASE SECONDARY AIR PUMP (NEXT TO INTAKE BRIDGE) SECONDARY AIR PUMP REAR MAXI FUSE (LEFT SIDE OF ENGINE COMPT) SECONDARY AIR PUMP RELAY (ON RELAY SUPPORT 2) STARTER STARTING/CHARGING SYSTEM THROTTLE VALVE SIG HFM GND TRANS- MISSIONS SYSTEM TRANSMISSIONS SYSTEM (TIPTRONIC CONTROL UNIT) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/PNK 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 COMPUTER DATA LINES SYSTEM ENG COMPT TEMP SEN ENG SPEED SENS SHD GENERATOR TERM GRN/BLK WIRE GRN/RED WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES B+ PLUG SOCKET HOT AT ALL TIMES FUSE HOLDER D (UNDER LEFT SIDE OF DASH, AT KICK PANEL) FUSE INJ VALVE/CYLINDER 3 INTAKE PIPE FLAP SENSORS GND CAMSHAFT SENSOR 2 INTAKE TEMP SENSOR MASS AIRFLOW SENSOR MAXI FUSE MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE ORG/BLK WIRE OXYGEN SENSOR (BEFORE CAT 1) OXYGEN SENSOR (BEFORE CAT 2) OXYGEN SENSOR (CYL 1-3) (IN EXHAUST MANIFOLD) OXYGEN SENSOR (CYL 4-6) (IN EXHAUST MANIFOLD) PAS (DRIVER RECOGNITION) CONTROL MODULE (BEHIND LEFT SIDE OF DASH) PUMP CURRENT REG IN PUMP CURRENT REG IN PUMP CURRENT REG OUT PUMP CURRENT REG OUT CAN TIPTRONIC LOW CAN TIPTRONIC HIGH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECOND AIR PUMP RLY CAMSHAFT SENSOR 1 P/N RELEASE SECONDARY AIR PUMP (NEXT TO INTAKE BRIDGE) SECONDARY AIR PUMP REAR MAXI FUSE (LEFT SIDE OF ENGINE COMPT) SECONDARY AIR PUMP RELAY (ON RELAY SUPPORT 2) STARTER STARTING/CHARGING SYSTEM THROTTLE VALVE SIG HFM GND TRANS- MISSIONS SYSTEM TRANSMISSIONS SYSTEM (TIPTRONIC CONTROL UNIT) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE