Porsche Cayman 987 facelift (2009-2012) dme control unit Wiring diagrams

1 2 GND BATT 1 2 LEFT FAN + LEFT FAN - 1 2 TERM 15 ACTUATION INPUT 17 22 SENS GND NTC WAGGER 2.9L 3.4L 25 36 37 43 54 41 ENG COMPT BLWR RLY CAN HIGH CAN LOW 40 42 ENG COMPT TEMP SEN SENS GND ACTUATION TERM 15 FAN FINAL STAGE AIR CONDITIONING COMPRESSOR (LEFT FRONT OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BRN/PNK WIRE BRN/WHT WIRE CAN HIGH COMFORT CAN LOW COMFORT COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (NTC) (ON ENGINE) COOLING WATER FAN CONTROL UNIT CU A/C CURRENT DISTRIBUTOR (BEHIND RIGHT DME CONTROL UNIT ENGINE COMPARTMENT HIGH FAN RELAY ENGINE COMPARTMENT PURGE FAN (CLEANER FAN) (LEFT FRONT SIDE OF ENGINE COMPT) ENGINE COMPARTMENT TEMPERATURE SENSOR ENGINE CONTROLS, TRANSMISSION SYSTEMS FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER B FUSE HOLDER D HEATER RELAY HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER F FUSE HOT W/ DME RELAY ENERGIZED LEFT COOLING WATER FAN MIDI FUSE NCA WIRE ORG/ WIRE PAS (DRIVER RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY SUPPORT 1 (UNDER LEFT SIDE OF DASH, IN FOOTWELL) RELAY SUPPORT 2 (LEFT SIDE OF REAR LUGGAGE COMPT) RIGHT COOLING WATER FAN SIDE OF DASH) TANK LEAKAGE DIAGNOSTIC MODULE TCRMX TERM 87 YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT 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

1 2 GND BATT 1 2 LEFT FAN + LEFT FAN - 1 2 TERM 15 ACTUATION INPUT 17 22 SENS GND NTC COOLANT PUMP 3.4L 2.9L 36 37 43 54 CAN HIGH CAN LOW 40 42 TEMP SEN SENS GND ACTUATION FAN BLK WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BRN/PNK WIRE BRN/WHT WIRE CAN HIGH COMFORT CAN LOW COMFORT COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE SENSOR (NTC) (ON ENGINE) COOLING WATER FAN CONTROL UNIT DME CONTROL UNIT ENGINE COMPARTMENT TEMPERATURE SENSOR FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) HOT AT ALL TIMES LEFT COOLING WATER FAN MIDI FUSE NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT COOLING WATER FAN TERM 15 FINAL STAGE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

1 2 3 4 5 6 TERM 31 CAN DISPLAY LOW 10 11 CAN HIGH DRIVE CAN LOW DRIVE 25 8 10 24 86 38 62 14 THROTTLE VLV GND THROTTLE VLV SIG 3.4L 2.9L 7 8 9 12 13 14 1 38 39 53 51 52 40 29 PDL VALVE SENS 1 GND PDL VALVE SENS 1 SIG 7 9 6 30 THROTTLE VLV MTR (+) THROTTLE VLV MTR (-) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL SWITCH BRIDGE PLUG 1 (RELAY SUPPORT 1) BRN WIRE BRN/YEL WIRE BS+ CAN COMFORT HIGH CAN COMFORT LOW CAN DRIVE HIGH CAN DRIVE LOW CLUTCH INTERLOCK SWITCH (CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM DME CONTROL UNIT FUSE HOLDER B FUSE HOLDER C GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES FUSE PAS (DRIVER'S RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) PDL VALVE SENS 2 GND PDL VALVE SENS 2 SIG REAR CONTROL UNIT (UNDER LEFT SEAT) RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RELEASE SPORT CHRONO STEERING COLUMN COMBINED MODULE STOP LIGHT SW THROTTLE VALVE (MIDDLE OF INTAKE MANIFOLD) THROTTLE VLV SIG VIO WIRE WAKE UP CAN DISPLAY HIGH TERM 30 YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 GND BATT 1 2 LEFT FAN + LEFT FAN - 1 2 TERM 15 ACTUATION INPUT 17 22 SENS GND NTC WAGGER 2.9L 3.4L 25 36 37 43 54 41 ENG COMPT BLWR RLY CAN HIGH CAN LOW 40 42 ENG COMPT TEMP SEN SENS GND ACTUATION TERM 15 FAN FINAL STAGE AIR CONDITIONING COMPRESSOR (LEFT FRONT OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/ORG WIRE BLU/YEL WIRE BRN WIRE BRN/PNK WIRE BRN/WHT WIRE CAN HIGH COMFORT CAN LOW COMFORT COMPUTER DATA LINES SYSTEM COOLING WATER FAN CONTROL UNIT COOLING WATER TEMPERATURE SENSOR (NTC) (ON ENGINE) CU A/C CURRENT DISTRIBUTOR (BEHIND RIGHT DME CONTROL UNIT ENGINE COMPARTMENT HIGH FAN RELAY ENGINE COMPARTMENT PURGE FAN (CLEANER FAN) (LEFT FRONT SIDE OF ENGINE COMPT) ENGINE COMPARTMENT TEMPERATURE SENSOR ENGINE CONTROLS, TRANSMISSION SYSTEMS FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER B FUSE HOLDER D HEATER RELAY HOT AT ALL TIMES HOT AT ALL TIMES FUSE HOLDER F FUSE HOT W/ DME RELAY ENERGIZED LEFT COOLING WATER FAN MIDI FUSE NCA WIRE ORG/ WIRE PAS (DRIVER RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY SUPPORT 1 (UNDER LEFT SIDE OF DASH, IN FOOTWELL) RELAY SUPPORT 2 (LEFT SIDE OF REAR LUGGAGE COMPT) RIGHT COOLING WATER FAN SIDE OF DASH) TANK LEAKAGE DIAGNOSTIC MODULE TCRMX TERM 87 YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT 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

1 2 3 4 5 6 7 8 9 IGN COIL 6 IGN COIL 4 IGN COIL 2 IGN COIL 5 BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BRIDGE PLUG (RELAY SUPPORT 1) BRN WIRE BRN/BLK BLK WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BUTTON SPORTS PDL VALUE SENS 1 GND PDL VALUE SENS 1 SIG CLUTCH INTERLOCK SWITCH CLUTCH PEDAL COOLANT LEVEL SW COOLING FANS SYSTEM COOLING WATER VALVE CRASH SHUT-DOWN DME CONTROL UNIT DMTL HEATING ELEMENT DMTL PUMP DMTL VALVE ELECTRONIC MUFFLERS SYSTEM ENG COMPT BLWR RLY MFI+DI RELAY CTRL ENG SPEED SENSOR ENG SPEED SENSOR FUEL PUMP RELAY CTRL GATEWAY CONTROL UNIT (LEFT KICK PANEL) GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE IGN COIL 1 CAMSHAFT ADJ 1 CAMSHAFT ADJ 2 IGN COIL 3 IGNITION COILS (CYLINDER HEAD COVER) INJ VALVE/CYLINDER 2 INJ VALVE/CYLINDER 1 KNOCK SENS 1 KNOCK SENS 1 KNOCK SENS 2 KNOCK SENS 2 LED SPORTS EXHAUST COOLING WATER VALVE OIL PRESSURE CAN HIGH CAN LOW PDK CONTROL UNIT PDL VALUE SENS 2 GND PDL VALUE SENS 2 SIG PLUG SPARK PRESSURE CTRL - RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RELEASE SPARK PLUG STARTER INTER LK STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TANK LEAKAGE DIAGNOSTICS MODULE VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO 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

AIR CLEANER FLAP BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT SENS 1 CAMSHAFT SENS 2 CAMSHAFT SENSOR 1 CYLINDERS 1-3 CRASH OUT DME CONTROL UNIT DME RELAY ENGINE SHIELD ENGINE SPEED FUEL INJ CYL 2 FUEL INJ CYL 5 GENERATOR PWM GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/YEL WIRE GROUND GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE IGNITION CYL 3 IGNITION CYL 4 IGNITION CYL 5 KNOCK SENSOR #2 KNOCK SENSOR 1 MICRO RELAY NCA WIRE NTC WATER SENSOR NTC- OIL REGULATION - OUTPUT POWER DISTRIBUTION SYSTEM PRESSURE SENSOR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE REGULATION SIGNAL STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TANK OIL LEVEL VENT VALVE SENSOR (NEAR FUEL FILL FLAP) TERM 15 TERM 31 THRO VLV GND VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DME CONTROL UNIT ELECTRONIC MUFFLERS SYSTEM ENG COMPT TEMP EXHAUST SYSTEM CAMSHAFT ADJUSTER FUEL INJ CYL 1 + FUEL INJ CYL 6 + FUEL INJ CYL 4 + FUEL INJ CYL 3 + FUEL INJECTORS (ON INTAKE MANIFOLDS) GND, SENS COOLING WATER OIL TEMP SENS GRN/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HIGH SENS RAIL IGNITION COILS (CYLINDER HEAD COVER) IGNITION CYL 6 IGNITION CYL 2 IGNITION CYL 1 KNOCK SENS 1 FUEL INJ CYL 1 - FUEL INJ CYL 4 - FUEL INJ CYL 3 - FUEL INJ CYL 6 - KNOCK SENS 1 FUEL INJ CYL 5 + KNOCK SENS 2 (-) MOTOR MOTOR + TANK VENT VLV NCA WIRE OIL PRESSURE OIL PRESSURE REGULATION SHIFT VALVE QUANTITY CONTROL VALVE QUANTITY CTRL VLV RED/BLU WIRE RED/GRN WIRE RESONANCE FLAP THRO VLV SENS 2 THRO VLV SENS 1 WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE