Removing Main Wiring Harness - Engine Compartment On Left

Remove left front wheel housing liner → Removing front wheel housing liner .

Remove left front main headlight. → Removing Main Headlights

Remove front apron → Removing front apron .

1. Push in latch -b-  on connector for sensor -a-  until it is felt to engage -Arrow A-  .
   Fig 1: Removing Locking Mechanism Latch

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Release locking mechanism latch -b- -Arrow B-  and pull connector off the sensor -a- -Arrow C-  .
3. Remove line together with lock carrier support -Arrow D-  .
4. Turn bulb holder (wheel housing) slightly and remove -Arrow A-  .
   Fig 2: Removing Bulb Holder (Wheel Housing)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Only for vehicles with tyre pressure monitoring system. 

5. Release connector on antenna for tyre pressure monitoring system (wheel housing) -Arrow B-  and disconnect it -Arrow C- 
6. Release central connector for additional heating -Arrow A-  and remove -Arrow B-  .
   Fig 3: Removing Central Connector

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Release connector on lateral acceleration sensor (wheel housing) -Arrow A-  and remove -Arrow B-  .
   Fig 4: Removing Lateral Acceleration Sensor Connector (Wheel Housing)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Open clip -Arrow C-  and remove line -Arrow D-  .

   Only in cars with additional heating 

9. Release connector on circulating pump -Arrow E-  and pull it off -Arrow F-  .
10. Open clip -Arrow G-  and remove line -Arrow G-  .
11. Release plug connection for ABS sensor and brake pad wear indicator (wheel housing) -Arrow A-  and disconnect it -Arrow B-  .
    Fig 5: Removing Plug Connection For ABS Sensor

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
12. Open clips -Arrow C-  and remove line -Arrow D-  .

    Only for vehicles with automatic headlight levelling system. 

    Fig 6: Removing Angle Sensor Connector (Rear Wheel Suspension)

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
13. Release connector on angle sensor (rear wheel suspension) -Arrows A-  and remove -Arrow B-  .
14. Release connector (front cross member) -Arrow A-  and pull it off -Arrow B-  .
    Fig 7: Removing Connector (Front Cross Member)

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
15. Unclip socket -Arrow C-  .
16. Unscrew fastening nut and remove ground straps together with twist lock from threaded bolt -Arrow D-  .
17. Release connector on air flow sensor -Arrow A-  and pull it off -Arrow B-  .
    Fig 8: Removing Connector On Air Flow Sensor

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
18. Open clips -Arrow C-  and remove line -Arrow D-  .
19. Open clips (on radiator) -Arrows A-  and remove line -Arrows B-  .
    Fig 9: Removing Radiator Line

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
20. Release the two connectors -Arrows C-  and remove them -Arrows D-  .
21. Unscrew fastening nut -1-  (front side member) and remove ground straps together with twist lock -a-  from threaded bolt -Arrow E-  .
22. Remove air cleaner housing → Removing Air Cleaner Housing .
23. Release connector on headlight housing -Arrow A-  and pull it off -Arrow B-  .
    Fig 10: Removing Headlight Housing Connector

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
24. Open clips -Arrows C-  and remove line -Arrows D-  .
25. Cut tie-wrap (upper side member) -A-  .
    Fig 11: Cutting Tie-Wrap (Upper Side Member)

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
26. Release clips -Arrows B-  , open them -Arrows C-  and remove line -Arrow D-  .
27. Open clips -Arrows E-  and remove line -Arrow F-  .
28. Open upper cover of external power connection -Arrow A-  .
    Fig 12: Opening Upper Cover Of External Power Connection

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
29. Undo fastening nut -2-  and remove line -Arrow B-  .
30. Open lower cover -Arrow C-  .
31. Undo fastening nut -3-  and remove line -Arrow D-  .
32. Remove relay carrier in plenum panel E-Box → Removing Relay Carrier In Plenum Chamber E-Box  .
33. Release connector on alarm siren -Arrows A-  and pull it off -Arrow B-  .
    Fig 13: Removing Alarm Siren Connector

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
34. Open clips -Arrows C-  and remove line -Arrows D-  .
35. Unscrew fastening nut -1-  (next to relay carrier in plenum panel E-Box) and remove ground straps together with twist lock -Arrow A-  .
    Fig 14: Removing Ground Straps Together With Twist Lock

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
36. Press out rubber sleeve (firewall) -Arrow B-  and remove line inwards.

    Remove main wire harness - dashboard area and centre console → Removing Main Wiring Harness  .