Porsche Boxster 987 facelift (2006-2009) nca Wiring diagrams

BLK WIRE BLU/GRN WIRE BRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM EXTEND FUSE HOLDER A (UNDER LEFT SIDE OF DASH, AT KICK PANEL) GRN WIRE GRY/RED WIRE HOT AT ALL TIMES FUSE NCA WIRE ON-BOARD COMPUTER NETWORK CONTROL UNIT (UNDER LEFT SIDE OF DASH) REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RETRACT SPOILER SPOILER DRIVE MOTOR SPORT SWITCH MODULE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 PUMP MOTOR RETURN E BATT ENG RELAY RELAY VALVE GND 5 4 BRAKE PAID WEAR - BRAKE PAID WEAR + 5 6 7 8 LF DS LR DS RR DS BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRAKE FLUID LEVEL SWITCH (IN BRAKE FLUID RESERVOIR) BRN GRY/ WIRE BRN WIRE BRN/ GRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BS+ CAN HIGH DRIVE PARK BRAKE SW DRST CAN LOW DRIVE GND DRSS BRAKE FLUID LEVEL DRSR LR ESO AY COMPUTER DATA LINES CONNECTOR COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CURRENT DISTRIBUTOR FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER C (UNDER LEFT SIDE OF DASH, AT KICK PANEL) GP PSM (FRONT LEFT SIDE OF LUGGAGE COMPT) GRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ TERM 15 RELAY ENERGIZED INSTRUMENT CLUSTER LEFT FRONT BRAKE PAD WEAR/ SPEED SENSOR LEFT REAR BRAKE PAD WEAR/ SPEED SENSOR LF DP LR DS +CU RR DS STOP LT SW + PASSIVE PSM SW MODULE SWITCH NCA WIRE ORG/ WIRE ORG/BLU WIRE PARK BRAKE SWITCH (AT BASE OF HAND BRAKE LEVER) PASSIVE PSM LAMP PSM SWITCH RED/BLU WIRE RED/BRN WIRE RED/GRY WIRE RIGHT FRONT BRAKE PAD WEAR/ SPEED SENSOR RIGHT REAR BRAKE PAD WEAR/ SPEED SENSOR SPEED SENSOR SPEED SENSOR WEAR SENSOR STOPLIGHT SWITCH (ON BRAKE PEDAL LINKAGE) WEAR SENSOR (BEHIND LEFT SIDE OF DASH) WEAR SENSOR SPEED SENSOR WHEEL SPEED SENS WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

ALARM HORN ALARM SIREN (ON LEFT SIDE OF FRONT LUGGAGE COMPT) ANTENNA (NAVIGATION) ANTENNA (RADIO) ANTENNA ALARM ANTENNA ALARM SHIELD BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY COMPUTER SYSTEM BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN DRIVE HIGH CAN DRIVE LOW CAN COMFORT HIGH CAN COMFORT LOW CLS ALARM OUT COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP UNLOCK MICROSWITCH CURRENT DISTRIBUTOR ELECTRONIC IGNITION LOCK EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 FUSE FUSE HOLDER B (ON FUSE SUPPORT) FUSE GROUND GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES INTERIOR SENSOR (IN CENTER CONSOLE) INTERIOR SENSOR ALARM SIREN TILT SENSOR MICRO SW LOCKING ALARM HORN NCA WIRE ORG/ WIRE PAS (DRIVER'S RECOGNITION) CONTROL UNIT (UNDER DASH, LEFT OF STEERING COLUMN) POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM POWER DISTRIBUTION SYSTEM A/C SYSTEM STEERING COL + STEERING COL - TERM 31_2 EXTERNAL IND TERM 50 ACT HIGH STEERING WHEEL LOCK SUPPLEMENTAL RESTRAINT SYSTEM SUPPLY GROUND SERIAL DATA TERM 30 TERM 31 DATA N.C. TERM 50 DIAG TERM 15 DIAG TERM 75 ACT LOW TERM 30 TERM 31_1 TERM 15 START TILT SENSOR (UNDER REAR OF CENTER CONSOLE) TRANSMISSIONS SYSTEM EXTERIOR LIGHTS SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 GND BATT 1 2 LEFT FAN + LEFT FAN - 1 2 RIGHT FAN + RIGHT FAN _ 1 2 TERM 15 ACTUATION INPUT 27 25 36 37 A/C RELAY ENG COMPT BLWR RLY CAN HIGH CAN LOW A/C COMPRESSOR A/C COMPRESSOR RELAY (ON RELAY SUPPORT 2) ACTUATION CONTROL UNIT TERM 15 FINAL STAGE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BRN WIRE CAN HIGH COMFORT CAN LOW COMFORT COMPUTER DATA LINES SYSTEM COOLING WATER BLOWER CONTROL UNIT CURRENT DISTRIBUTION DMTL ENGINE COMPARTMENT BLOWER (ON LEFT FRONT SIDE OF ENG COMPT) ENGINE COMPARTMENT BLOWER RELAY (ON RELAY SUPPORT 2) ENGINE CONTROLS, TRANSMISSION SYSTEMS FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) FUSE FUSE HOLDER B (ON FUSE SUPPORT, UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) FUSE HOLDER D (ON FUSE SUPPORT, UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN/WHT WIRE HEATER RELAY (ON RELAY SUPPORT 1) HOT AT ALL TIMES HOT W/ MFI-DI RELAY ENERGIZED LEFT RADIATOR FAN MOTOR MAXI FUSE (FAN) RIGHT REAR OF FRONT LUGGAGE COMPT) MFI-DI CONTROL UNIT (ON LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE ORG/ WIRE PAS (DRIVER RECOGNITION) CONTROL UNIT (AT RIGHT KICK PANEL) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT RADIATOR FAN MOTOR TERM 87 VIO/YEL WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 GND BATT 1 2 LEFT FAN + LEFT FAN - 1 2 RIGHT FAN + RIGHT FAN _ 1 2 TERM 15 ACTUATION INPUT ACTUATION CONTROL UNIT BLK WIRE BRN WIRE CAN LOW COMFORT CAN HIGH COMFORT COMPUTER DATA LINES SYSTEM COOLING WATER BLOWER CONTROL UNIT FRONT END CONTROL UNIT (AT RIGHT SIDE OF FRONT LUGGAGE COMPT) HOT AT ALL TIMES LEFT RADIATOR FAN MOTOR MAXI FUSE (FAN) RIGHT REAR OF FRONT LUGGAGE COMPT) NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT RADIATOR FAN MOTOR TERM 15 FINAL STAGE YEL WIRE YEL/BLU WIRE

1 2 3 4 5 6 TERM 31 CAN DISPLAY LOW 10 11 CAN HIGH DRIVE CAN LOW DRIVE 25 8 10 24 THROTTLE VLV GND THROTTLE VLV SIG 7 8 9 12 13 14 1 PDL VALUE SENS 1 GND PDL VALUE SENS 1 SIG 7 9 THROTTLE VLV MTR (+) THROTTLE VLV MTR (-) BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRIDGE PLUG (RELAY SUPPORT 1) BRN WIRE BRN/YEL WIRE BS+ CAN COMFORT HIGH CAN COMFORT LOW CAN DRIVE HIGH CAN DRIVE LOW COMPUTER DATA LINES SYSTEM CRUISE CONTROL CLUTCH INTERLOCK SWITCH (AT CLUTCH PEDAL) 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/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES MFI-DI CONTROL UNIT (ON LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE PAS(DRIVER'S RECOGNITION) CONTROL UNIT (BEHIND LEFT SIDE OF DASH) PDL VALUE SENS 2 GND PDL VALUE 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 STOPLIGHT SWITCH (ON BRAKE PEDAL LINKAGE) 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

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

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 INJ VALVE/CYLINDER 4 INJ VALVE/CYLINDER 6 INJ VALVE/CYLINDER 5 TANK VENTING VALVE INTAKE PIPE CHG-OVER TEMP MOTOR OIL INTAKE TEMP SENSOR MASS AIRFLOW SENSOR (LEFT SIDE OF ENG COMPT) MAXI FUSE MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE NTC COOLANT TEMP HFM SIGNAL THROTTLE VALVE SIG THROTTLE VALVE GND ORG/BLK WIRE OXYGEN SENSOR (BEFORE CAT 1) OXYGEN SENSOR (BEFORE CAT 2) OXYGEN SENSOR (CYL 1-3) (ON EXHAUST MANIFOLD) OXYGEN SENSOR (CYL 4-6) (ON EXHAUST MANIFOLD) PAS (DRIVER RECOGNITION) CONTROL MODULE (UNDER DASH, LEFT OF STEERING COLUMN) 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 PUM (NEXT TO INTAKE BRIDGE) SECONDARY AIR PUMP REAR MAXI FUSE (ON REAR RELAY SUPPORT) 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

A/C, COOLING FANS SYSTEMS BLK WIRE BLU/ORG WIRE BLU/PNK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT ADJUSTMENT 1 (CYL 1-3) TANK VENTING VALVE (NEAR FUEL FILL FLAP) CAMSHAFT ADJUSTMENT 2 (CYL 4-6) CURRENT DISTRIBUTOR FUSE ENGINE COOLANT TEMPERATURE SENSOR (IN WATER BOX) ENGINE SPEED SENSOR (ON REAR OF ENGINE, RIGHT OF CRANKSHAFT) ENGINE TEMPERATURE SENSOR (MIDDLE OF ENG) FUSE FUSE FUSE FUSE FUSE HOLDER D (UNDER LEFT SIDE OF DASH, AT KICK PANEL) GRN/BLK WIRE GRN/RED WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES INTAKE PIPE CHANGE- OVER VALVE INTAKE PIPE FLAP VALVE NCA WIRE OIL TEMPERATURE, OIL LEVEL SENSOR (ON ENG OIL PAN) POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE THROTTLE VALVE (ON THROTTLE VALVE ASSEMBLY) VIO WIRE WHT WIRE YEL/BLK WIRE YEL/WHT WIRE

A/C SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CAN-HIGH CAN-LOW CLUTCH INTERLOCK SWITCH (AT CLUTCH PEDAL) CONDENSER COOLING FANS SYSTEM COOLING WATER VALVE CRASH SHUT-DOWN DMTL DMTL HEATING ELEMENT DMTL PUMP DMTL VALVE ENG SPEED SENSOR ENG SPEED SENSOR FUEL INJECTORS 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/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 4 IGNITION COIL 5 IGNITION COIL 6 INJ VALVE/CYLINDER 2 INJ VALVE/CYLINDER 1 KNOCK SENS 1 KNOCK SENS 1 KNOCK SENS 2 KNOCK SENS 2 MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) NCA WIRE OIL PRESSURE SWITCH ENG COMPT BLWR RLY MFI+DI RELAY CTRL A/C RLY PDL VALUE SENS 1 GND PDL VALUE SENS 1 SIG PDL VALUE SENS 2 GND PDL VALUE SENS 2 SIG PLUG SPARK RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RELEASE SPARK PLUG STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE