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Home >> Chevrolet >> 2012 >> Orlando LS, Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Repair Instructions >> Engine Control Module Wiring Harness Replacement (2.0L Diesel LNP) >> Installation Procedure
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Installation Procedure

    Fig 1: Engine Wiring Harness And Connectors
    GM2511661Courtesy of GENERAL MOTORS COMPANY
  1. Position the engine wiring harness to the vehicle.
  2. Clip the engine wiring harness channel (6) to the 3 exhaust gas recirculation cooler brackets.
  3. Clip the 4 engine wiring harness clips (2, 4) to the camshaft cover.
  4. Connect the 4 fuel injector wiring harness plugs (1).
  5. Connect the fuel injection rail pressure sensor wiring harness plug (3).
  6. Connect the 4 glow plug wiring harness plugs (5).
  7. Connect the fuel injection pressure sensor wiring harness plug (3).
  8. Connect the intake actuator valve wiring harness plug (7).
  9. Connect the exhaust gas recirculation valve wiring harness plug (9).
  10. Connect the vacuum solenoid valve wiring harness plug (8).
    11. Fig 2: Engine Wiring Harness And Connectors
    GM2511659Courtesy of GENERAL MOTORS COMPANY
  11. Clip the 4 wiring harness clips (1, 4) to the wiring harness bracket.
  12. Connect the engine coolant temperature sensor wiring harness plug (5).
  13. Connect the fuel pump wiring harness plug (3).
  14. Clip and connect the glow plug wiring harness plug (2) to the engine wiring harness bracket.
    15. Fig 3: Charge Air Cooler Outlet Hose
    GM2511669Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution.

  15. Position the front charge air cooler outlet hose (1) along with the front charge air cooler outlet hose clamp (4) to the rear charge air cooler outlet hose (3) and tighten the clamp to 3.5 N.m (31 lb in).
  16. Install the front charge air cooler outlet hose bolt (2) to the wiring harness bracket and tighten to 10 N.m (89 lb in).
  17. Raise the vehicle.
    18. Fig 4: Engine Oil Level Indicator Wiring Harness Plug And Air Conditioning Wiring Harness Plug
    GM2511658Courtesy of GENERAL MOTORS COMPANY
  18. Position the wiring harness.
  19. Connect the air conditioning wiring harness plug (1) and the engine oil level indicator wiring harness plug (2).
    20. Fig 5: Crankshaft Position Sensor Wiring Harness Plug And Throttle Body Wiring Harness Plug
    GM2511656Courtesy of GENERAL MOTORS COMPANY
  20. Clip the wiring harness clip (2) to the charge air cooler outlet hose.
  21. Connect the throttle body wiring harness plug (1).
  22. Connect the crankshaft position sensor wiring harness plug (3).
    23. Fig 6: Engine Wiring Harness And Connectors
    GM2511655Courtesy of GENERAL MOTORS COMPANY
  23. Install the 2 wiring harness clips (5) to the 2 brackets.
  24. Connect the vacuum solenoid valve wiring harness plug (1) and the vacuum solenoid valve wiring harness plug (2).
  25. Connect the starter wiring harness plug (7).
  26. Connect the generator wiring harness plug (4).
  27. Connect the 2 knock sensor wiring harness plugs (3, 6).
  28. Install the engine compartment insulator. Refer to Front Compartment Insulator Replacement.
  29. Lower the vehicle.
    30. Fig 7: Backup Lamp Switch
    GM2511654Courtesy of GENERAL MOTORS COMPANY
  30. Install the wiring harness clip (1) to the transmission.
  31. Connect the backup lamp switch wiring harness plug to the transmission.
    32. Fig 8: Engine Wiring Harness And Connectors
    GM2511653Courtesy of GENERAL MOTORS COMPANY
  32. Connect the 2 wiring harness clips (4) to the oil filter assembly and to the intake manifold.
  33. Connect the intake air pressure/temperature sensor wiring harness plug (5).
  34. Install the 2 wiring harness channel bolts (1) to the wiring harness channel and tighten to 10 N.m (89 lb in).
  35. Install the wiring harness clip (3) to the charge air control vacuum hose.
  36. Connect the oil pressure sensor wiring harness plug (2).
    37. Fig 9: Engine Wiring Harness And Connectors
    GM2511650Courtesy of GENERAL MOTORS COMPANY
  37. Connect the mass air flow sensor wiring harness plug (1) and install the wiring harness clip to the air cleaner housing.
  38. Connect the turbocharger wastegate actuator wiring harness plug (8).
  39. Connect the exhaust temperature sensor wiring harness plug (4) and clip the wiring harness clip (3) to the steering pump.
  40. Connect the exhaust temperature sensor wiring harness plug (2).
  41. Install the 2 charge air cooler inlet air hose bolts (7) to the 2 charge air cooler inlet air hose nuts (5) and tighten to 22 N.m (16 lb ft).
  42. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
    43. Fig 10: Engine Wiring Harness And Connectors
    GM2511649Courtesy of GENERAL MOTORS COMPANY
  43. Connect the camshaft position sensor wiring harness plug (1).
  44. Connect the exhaust pressure differential sensor hose wiring harness plug (2).
  45. Clip the heated oxygen sensor wiring harness plug (3) to the retainer clip (4) and connect the heated oxygen sensor wiring harness plug (3).
  46. Connect the exhaust temperature sensor wiring harness plug (5).
    47. Fig 11: Wiring Harness Ground Cable
    GM2506210Courtesy of GENERAL MOTORS COMPANY
  47. Install the 2 wiring harness clips to the drivetrain and front suspension frame front inner support and to the charge air cooler outlet hose.
  48. Connect the wiring harness connection adapter plug (4).
  49. Install the wiring harness plug (1) to the front compartment fuse block housing.
  50. Install the wiring harness ground cable (3) and install the wiring harness ground cable nut (2) and tighten to 9 N.m (80 lb in).
  51. Install the front compartment fuse block. Refer to Front Compartment Fuse Block Replacement.
  52. Install the engine sight shield. Refer to Engine Sight Shield Replacement.
  53. Install the windshield washer solvent container filler tube. Refer to Windshield Washer Solvent Container Filler Tube Replacement.
  54. Install the battery tray. Refer to Battery Tray Replacement (without Start/Stop System) .
    55. Fig 12: Engine Control Module
    GM2506326Courtesy of GENERAL MOTORS COMPANY
  55. Install the engine control module bracket (2) along with the engine control module (1) to the battery tray (3).
    56. Fig 13: Engine Control Module Wiring Harness Plugs
    GM2506324Courtesy of GENERAL MOTORS COMPANY
  56. Connect the 2 engine control module wiring harness plugs (1) to the engine control module (2).
  57. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (without Start/Stop System) .
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