Porsche Boxster 986 facelift (2002-2004) sensors gnd Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PINS 19-28 NOT USED SPEAKER 1 2 3 4 5 6 7 8 9 10 11 12 SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SENSORS + 1 2 3 SIGNAL BLK/BLU WIRE BLK/RED WIRE BRN WIRE BRN/BLK WIRE DIAGNOSIS DIAGNOSIS CONNECTOR (BELOW LEFT SIDE OF DASH) FUSE FUSE HOLDER GRN/ORG WIRE GRN/PNK WIRE GRN/RED WIRE GRN/YEL WIRE HOT IN RUN OR START INSTRUMENT CLUSTER J/C (BS 2/1) ORG/BLU WIRE PARK ASSIST INPUT PARKING ASSISTANT CONTROL UNIT RED WIRE RED/GRY WIRE RED/YEL WIRE REVERSE SIG SENSORS GND TERM 15 TERM 31 ULTRASONIC SENSOR 1 ULTRASONIC SENSOR 2 ULTRASONIC SENSOR 3 ULTRASONIC SENSOR 4

A/C SYSTEM ANTI-THEFT SYSTEM (ALARM SYSTEM CONTROL UNIT) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN TIPTRONIC LOW CAN TIPTRONIC HIGH ENG COMPT TEMP SEN ENG SPEED SENS SHD FUEL INJECTORS FUSE FUSE FUSE HOLDER C (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) GRN/RED WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION/OXYGEN SENSOR RELAY (ON RELAY SUPPORT 2) INJ VALVE/CYLINDER 4 INJ VALVE/CYLINDER 6 INTAKE TEMP SENSOR MASS AIRFLOW SENSOR (ON FRESH AIR INTAKE, NEAR AIR FILTER) MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) MFI-DI RELAY (ON RELAY SUPPORT 2) NCA WIRE NTC GND NTC COOLANT TEMP HFM SIGNAL THROTTLE VALVE SIG THROTTLE VALVE GND ORG/WHT WIRE OXYGEN SENSOR (CYL 1-3) (DOWNSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 1-3) (UPSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 4-6) (DOWNSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 4-6) (UPSTREAM OF CATALYTIC CONV) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SECOND AIR PUMP VALVE INJ VALVE/CYLINDER 3 SECONDARY AIR PUMP RELAY (ON RELAY SUPPORT 2) SENSORS GND STARTING/ CHARGING SYSTEM TRANS- MISSIONS SYSTEM TRANS- MISSIONS SYSTEM (TIPTRONIC CONTROL UNIT) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C SYSTEM ANTI-THEFT SYSTEM (ALARM SYSTEM CONTROL UNIT) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PNK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN TIPTRONIC LOW CAN TIPTRONIC HIGH ENG COMPT TEMP SEN ENG SPEED SENS SHD FUEL INJECTORS FUSE FUSE FUSE HOLDER C (INTEGRAL TO FUSE SUPPORT, AT LEFT KICK PANEL) GRN/RED WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES IGNITION/OXYGEN SENSOR RELAY (ON RELAY SUPPORT 2) INJ VALVE/CYLINDER 4 INJ VALVE/CYLINDER 6 INTAKE TEMP SENSOR MASS AIRFLOW SENSOR (ON FRESH AIR INTAKE, NEAR AIR FILTER) MFI-DI CONTROL UNIT (LEFT SIDE OF REAR LUGGAGE COMPT) MFI-DI RELAY (ON RELAY SUPPORT 2) NCA WIRE NTC GND NTC COOLANT TEMP HFM SIGNAL THROTTLE VALVE SIG THROTTLE VALVE GND ORG/WHT WIRE OXYGEN SENSOR (CYL 1-3) (DOWNSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 1-3) (UPSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 4-6) (DOWNSTREAM OF CATALYTIC CONV) OXYGEN SENSOR (CYL 4-6) (UPSTREAM OF CATALYTIC CONV) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SECOND AIR PUMP VALVE INJ VALVE/CYLINDER 3 SECONDARY AIR PUMP RELAY (ON RELAY SUPPORT 2) SENSORS GND STARTING/ CHARGING SYSTEM TRANS- MISSIONS SYSTEM TRANS- MISSIONS SYSTEM (TIPTRONIC CONTROL UNIT) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE