Porsche Cayman 987 facelift (2009-2012) front end control unit (right side of front luggage compt) Wiring diagrams

3 2 4 1 COMPUTER CAN HIGH CAN LOW TERMINAL 15 GND DATA LINES SYSTEM 3 4 5 TERMINAL 15 5 4 BRAKE PAID WEAR - BRAKE PAID WEAR + ACTIVE SPEED SENSOR BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL BRAKE FLUID LEVEL CONTROL SWITCH (IN BRAKE FLUID RESERVOIR) BRAKE PEDAL SWITCH BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BUTTON MODULE CAN HI DRIVE COMPUTER DATA LINES SYSTEM ENG RLY ENG RLY ACT ENGINE RELAY FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE GP PSM (AT LEFT FRONT SIDE OF LUGGAGE COMPT) GP PSM (AT LEFT FRONTSIDE OF LUGGAGE COMPT) GRN/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES CURRENT DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) FUSE HOT W/ TERMINAL 15 RELAY ENERGIZED FUSE HOLDER C INSTRUMENT CLUSTER LF DP LR DS SW + RR DS SW + PSM LF DS LR DP RR DP LR EOS MTR CTRL U BATTERY NCA WIRE ORG/ WIRE ORG/BLU WIRE PARKING BRAKE CONTACT PASSIVE BUTTON PRESSURE SENSOR PRK BRK CONTACT CAN DRIVE LO PSM PASSIVE BULB IN BUTTON RATE OFF TURN SENSOR RATE OFTURN SENSOR RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RETURN PUMP MOTOR RF DP RF DP DIAG KLINE SPEED SENSOR LEFT FRONT BRAKE PAD WEAR/SPEED SENSOR (AT WHEEL ASSEMBLY) SPEED SENSOR LEFT REAR BRAKE PAD WEAR/SPEED SENSOR (AT WHEEL ASSEMBLY) SPEED SENSOR RIGHT FRONT BRAKE PAD WEAR/SPEED SENSOR (AT WHEEL ASSEMBLY) SPEED SENSOR RIGHT REAR BRAKE PAD WEAR/SPEED SENSOR (AT WHEEL ASSEMBLY) VALVE RELAY VALVE RLY ACT WEAR SENSOR WHEEL SPEED WHEEL WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL 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 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 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

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

ALWR SENSOR - ALWR SENSOR + ALWR SENSOR INPUT 1 TERM 15 ALWR STEPPING MOTOR 1 ANTI-LOCK BRAKES SYSTEM HEADLIGHTS SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE BRN/WHT WIRE COOLING FANS SYSTEM CURRENT DISTRIBUTOR FUSE (BEHIND RIGHT SIDE OF DASH) DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM FINAL STAGE FAN TERM 15 FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HAZARD-WARNING IND LIGHT CAN COMFORT HIGH HAZARD-WARNING SWITCH SIDE MARKER LIGHT SWITCH HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED FUSE HOLDER C FUSE INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LF REAR TURN SIGNAL ORG/ WIRE OUTSIDE TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF FRONT BUMPER) POWER DISTRIBUTION SYSTEM RED WIRE RED/GRN WIRE RED/WHT WIRE RH REAR TURN SIGNAL RH TERM 30 TURN SIGNAL RIGHT HIGH/LOW BEAM + RIGHT LOW BEAM RIGHT HIGH BEAM TERM 15 WHEEL SPEED SENSOR LOW BEAM SWITCH WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/ORG WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN 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

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 GROUND HORN 1 20 22 HIGH RANGE HORN GND LOW RANGE TWO- TONE HORN 2 7 15 TWO-TONE HORN SPLY CAN LOW CAN HIGH COMPUTER DATA LINES SYSTEM 9 8 CAN HIGH CAN LOW BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BRN WIRE COMBINED STEERING COLUMN MODULE COMPUTER DATA LINES SYSTEM CURRENT ELECTRONIC STEERING WHEEL FRONT END CONTROL UNIT (RIGHT SIDE OF FRONT LUGGAGE COMPT) HIGH RANGE HORN HORN SWITCH HOT AT ALL TIMES FUSE DISTRIBUTOR (BEHIND RIGHT SIDE OF DASH) LEFT TIPTRONIC BUTTON LOW RANGE TWO-TONE HORN (NEAR RIGHT HEADLIGHT ASSEMBLY) NTC BUTTON RED WIRE RIGHT TIPTRONIC BUTTON VIO/BLK WIRE W/O MSW YEL 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