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Home >> Porsche >> 2021 >> Macan Base >> Repair and Diagnosis >> Accessories & Equipment >> Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.) >> 97 Lines -- 95B - MACAN (95B) >> WM, 975219 Removing And Installing Wire Harness For Engine (R4) >> Removing Wire Harness For Engine (R4)

Removing Wire Harness For Engine (R4)

  1. Disconnect Section of line at the left.
    G15163035Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line at the left

    1. 1.1 Release and disconnect electric plug connection on oil level sensor -1-  .
    2. 1.2 Release and disconnect electric plug connection on water pump -2-  .
    3. 1.3 Release and disconnect electric plug connection for oil pressure control valve -3-  .
    4. 1.4 Loosen fixing clips -4-  .
  2. Unclip fixing clip -1-  and guide Section of line -2-  to the rear under the coolant pipes -Arrow-  .
    G15163036Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Coolant pipes

  3. Disconnect Section of line for oil pressure switch.
    G15163037Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Electric plug connection

    1. 3.1 Release and disconnect electric plug connection on oil pressure switch -1-  .
    2. 3.2 Release and disconnect electric plug connection for pulse sender -2-  .
    3. 3.3 Release and disconnect cable holder -3-  .
  4. Disconnect Section of line at the left.
    G15163038Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line at the left

    1. 4.1 Release and disconnect electric plug connection on throttle valve -1-  .
    2. 4.2 Release and disconnect electric plug connection for fuel injectors -2-  .
    3. 4.3 Release and disconnect electric plug connection for fuel pressure sensor -3-  .
    4. 4.4 Loosen fixing clips -4-  .
    5. 4.5 Release and disconnect electric plug connection for knock sensor -5-  .
    6. 4.6 Release and disconnect electric plug connection on vacuum valve -6-  .
  5. Release and disconnect electric plug connections for Section of line at the right.
    G15163039Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line at the right

    1. 5.1 Release and disconnect electric plug connection on oil pressure switch -1-  .
    2. 5.2 Release and disconnect electric plug connection for oil pressure control valve -2-  .
    3. 5.3 Release and disconnect electric plug connection on oil pressure switch -3-  .
    4. 5.4 Release and disconnect electric plug connection on vacuum valve -4-  .
    5. 5.5 Unclip fixing clips for Section of line at the top right -5-  .
  6. Release and disconnect electric plug connection on pressure sensor -1-  .
    G15163040Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pressure sensor

  7. Disconnect Section of line for camshaft control valve.
    G15163041Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line at the top

    1. 7.1 Release and disconnect electric plug connection for intake camshaft control valve -1-  .
    2. 7.2 Release and disconnect electric plug connection for exhaust camshaft control valve -2-  .
    3. 7.3 Release and disconnect electric plug connection for boost pressure adjuster -3-  .
    4. 7.4 Unclip fixing clip -4-  .
  8. Disconnect Section of line for fuel pressure control valve.
    G15163042Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fuel pressure control valve

    1. 8.1 Release and disconnect electric plug connection for fuel pressure control valve -1-  .
    2. 8.2 Unclip fixing clip -2-  .
  9. Disconnect Section of line for oxygen sensor -2-  .
    G15163043Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line for oxygen sensor

    1. 9.1 Unclip electric plug connection for oxygen sensor -1-  from cable duct bracket -3-  and release and disconnect it.
    2. 9.2 Unclip section of line for oxygen sensor -2-  from cable duct bracket -4-  .
  10. Disconnect Section of line for recirculating air valve for turbocharger.
    G15163044Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Section of line for recirculating air valve for turbocharger

    1. 10.1 Release and disconnect electric plug connection for recirculating air valve for turbocharger -1-  .
    2. 10.2 Release and disconnect electric plug connection for coolant temperature sensor -2-  .
    3. 10.3 Unclip omega clip -3-  for Section of line for recirculating air valve for turbocharger.
  11. Expose the cable duct.
    G15163045Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Ignition coils

    1. 11.1 Release and disconnect electric plug connection for ignition coils -1-  .
    2. 11.2 Release and disconnect electric plug connection on camshaft pulse sender -2-  .
    3. 11.3 Release and disconnect electric plug connection for camshaft actuator -3-  .
  12. Unscrew fastening nuts for ground lines -1-  and disconnect ground lines -2-  from cylinder head.
    G15163046Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Ground straps

  13. Pull cable duct -1-  off bracket -2-  and bracket -3-  and set it aside.
    G15163047Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cable duct

  14. Guide wire harness for engine (R4) to the left side and set it down.
  15. Disconnect wire harness for engine (R4) from engine control unit.
    G15163048Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Engine control module

    1. 15.1 Release and disconnect electric plug connection for main wire harness -1-  .
    2. 15.2 Release and disconnect electric plug connections for engine control unit -2-  .
    3. 15.3 Unclip fixing clip -3-  for Section of line for engine control unit.
  16. Remove wire harness for engine (R4) from the vehicle.
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