20/06/2022 11:52:17

Harness - Body - LH (Remove and Replace)

Correction Code 17101702

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Note
This procedure explains how to remove the front left body harness from a vehicle with the 2nd Generation High Voltage configuration. Vehicles with the 1st Generation High Voltage configuration might be different.
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Note
These graphics show a LHD vehicle produced in mid-2014. Earlier and later production vehicles might have slight differences in the location of mounting clips and the exact design of the harness.
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Note
In this procedure, it is necessary to access both the underhood storage area and remove the front LH wheel.

Removal

  1. Raise and support the vehicle so that there is access to the underhood area and to the front LH wheelwell.
  2. Perform the vehicle electrical isolation procedure (refer to procedure).
  3. Remove the front LH wheel.
  4. Remove the front left wheel arch liner(refer to procedure).
  5. Remove the underhood storage unit (refer to procedure).
  6. Remove the wiper arms (refer to procedure).
  7. Record the positions of the small-gauge cables on the 12V fusebox.
  8. Release the nuts (x6) that attach the top layer of harnesses to the 12V fusebox (torque 5 Nm). Release the harnesses from the fuse box.
  9. Remove the wire separator to expose the bottom layer of harnesses.
  10. Release the nuts (x5) that attach the lower layer of harnesses to the 12V fusebox (torque 5 Nm). Release the harnesses from the fuse box.
  11. If the vehicle is equipped with air suspension, release the bolts (x2) that attach the air reservoir (torque 2.5 Nm). Carefully set the reservoir in the RH side of the front trunk.
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    Note
    It is not necessary to disconnect the air lines.
  12. Release the bolts (x2) that attach fusebox 2 to the crosscar beam (torque 6 Nm).
  13. Slide the harness connector off of the base of the coolant heater assembly.
  14. Release the bolts (x2) that attach the coolant heater assembly to the crossmember (torque 8 Nm). Carefully set the coolant heater assembly aside.
  15. On the firewall above the forward junction box, disconnect the 3 power transfer connectors.
  16. Release the RH side of the harness from the supports on the firewall.
  17. Disconnect the remaining connectors on the firewall.
  18. Remove the front LH wheel.
  19. Remove the front left wheel arch liner(refer to procedure).
  20. Working from the front LH wheelwell, disconnect the connectors shown.
  21. Release the harness from the supports on the RH side of the firewall.
  22. Release the harness from the supports inside the wheelwell.
  23. Pull the rear section of the harness out through the front LH wheelwell.
  24. Pull the rear section of the harness into the underhood area.
  25. Release the screws (x2) that attach the 12V positive jump post to the bumper (torque 3 Nm).
  26. Release the nut that attaches the ground connections on the LH side rail (torque 9 Nm). Remove the ground connections from the stud.
  27. Disconnect all the connectors on the LH side rail.
  28. Release the harness from the supports on the LH side rail.
  29. Disconnect the connectors on the front of the harness.
  30. Release the harness from the supports at the front of the vehicle.
  31. Pull the harness out from the front of the vehicle.

Installation

Installation procedure is the reverse of removal.