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Wiring harness, engine A20NFT/LHU

Wiring harness, engine A20NFT/LHU

To remove


1. Protect against paint damage and dirt over the wings.

2. Remove the upper engine cover.

3. Remove the battery cover.

4. Undo the battery terminals and remove the battery.

5. Remove engine control module E39, see Control module, E39 (589) .

6. Undo the cable clip under the battery tray.

7. Unplug the bonnet switch connector.


8. Remove the battery tray (A).


9. Undo the top part of the fuse box (A) from the bottom (342).

10. Remove the engine wiring harness from the fuse box (B).


11. Remove clamps (A) and (B).

12. Undo connector (D) (H24-2).

13. Undo connector (C).

14. Unplug connector (D) from the intake air sensor (688).


- F40 Manual gearbox:

- Unplug connector (A) from the reversing light switch (31).

- Unplug the connector (B) gearbox output shaft speed sensor (533).

- AF40 Automatic transmission

- Unplug connector (G) from the TCM transmission control module (502A).

15. Unplug connector (C) from the engine coolant temperature sensor (202).

16. Unplug connector (D) from the exhaust camshaft position sensor (555E).

17. Unplug connector (F) from the intake camshaft position sensor (555I).

18. Unplug connector (E) from the front heated oxygen sensor (592).


19. Unplug both electrical contacts (A) on the alternator (2).

20. Unplug electrical connections (F) on the starter motor (4).

21. Unplug the connectors from the knock sensor (B) and (D), (178a, 178b).

22. Unplug connector (C) from the electronic throttle actuator (604).

23. Unplug connector (E) engine oil pressure sensor(696).

24. Unplug the ground cable connections (H) and (G) from the starter motor and engine block.

25. Unplug connector (I) from the engine oil level switch (243).

26. Unplug connector (J) from the A/C compressor (170).


27. Unplug connector (A) from the fuel rail pressure sensor (653).

28. Separate connector (B) nozzle wiring harness (H8-9).

29. Unplug connector (C) from the turbo by-pass solenoid valve (605).

30. Unplug connector (D) from the EVAP solenoid valve (321).

31. Unplug connector (E) from the intake manifold temperature and pressure sensor (431).

32. Unplug connector (F) from the high pressure fuel pump (801).

Important

Take care when plugging in the connector so as not to damage or press out the pins/sleeves in the connector. For further information regarding connectors, refer to Connectors, handling and inspection .



33. Unplug connector (B) from the SCM control module (587).

34. Detach the wiring harness from the clips on the end of the camshaft cover.


35. Unplug the connector from the wastegate solenoid valve (A) (179a).

36. Unplug connector (B) from the heated oxygen sensor (593).

37. Unplug connector (C) mass air flow sensor (686).

38. Unplug connector (D) atmospheric pressure sensor (539).

39. Unplug connector (E) from A/C pressure sensor(620).


40. Unplug connector (A) from the ignition coils (320 a, b, c, d).

41. Unscrew the wiring harness bracket (B), 3 x screws.

42. Unplug connector (C) variable camshaft solenoid valve (693, 694).

43. Dismantle the bumper shell, see Bumper shell, front or Bumper shell, front, 9-3X .


44. Unplug connector (A) power steering unit (745).

45. Detach the wiring harness from clips and fixings.

46. Lift up the wiring harness in the area between the radiator fan and the oil filter.


To fit


1. Lower the wiring harness in the area between the radiator fan and the oil filter.

2. Place the electrical connectors near the connecting points and fasten.


3. Start by mounting the electrical harness connector to the fuse box (B) (342).

4. Assemble the top and bottom of the fuse box (A).


5. Fit clamps (A) and (B).

6. Assemble connector (D) (H24-2).

7. Plug in the connector (C).

8. Plug in connector (D) intake air connector (688).

9.

- F40 Manual gearbox:

- Plug in connector (A) to the reversing light switch (31).

- Plug in the connector (B) gearbox output shaft speed sensor (533).

- AF40 Automatic transmission

- Plug in connector (G) to the TCM transmission control module (502A).


10. Plug in connector (C) engine coolant temperature sensor (202).

11. Plug in connector (D) to the exhaust camshaft position sensor (555E).

12. Plug in connector (F) to the intake camshaft position sensor (555I).

13. Plug in connector (E) to the front heated oxygen sensor (592).


14. Plug in both electrical contacts (A) on the alternator (2).

15. Plug in electrical connections (F) on the starter motor (4).

16. Plug in connector (B) and (D) knock sensor (178a, 178b).

17. Plug in connector (C) electronic throttle actuator (604).

18. Plug in connector (E) engine oil pressure sensor(696).

19. Plug in the ground cable connections (H) and (G) to the starter motor and engine block.

20. Plug in connector (I) engine oil level switch (243).

21. Plug in connector (J) A/C compressor (170).


22. Plug in connector (A) fuel rail pressure sensor (653).

23. Assemble connector (B) nozzle wiring harness (H8-9).

24. Plug in connector (C) turbo by-pass solenoid valve (605).

25. Plug in connector (D) EVAP solenoid valve (321).

26. Plug in connector (E) intake manifold temperature and pressure sensor (431).

27. Plug in connector (F) high pressure fuel pump (801).

Important

Take care when plugging in the connector so as not to damage or press out the pins/sleeves in the connector. For further information regarding connectors, refer to Connectors, handling and inspection .



28. Plug in connector (B) SCM control module (587).


29. Plug in the wiring harness to the end of the camshaft cover.

30. Plug in connector (A) to the wastegate solenoid valve (179a).

31. Plug in connector (B) heated oxygen sensor (593).

32. Plug in connector (C) mass air flow sensor (686).

33. Plug in connector (D) atmospheric pressure sensor (539).

34. Plug in connector (E) A/C pressure sensor (620).


35. Plug in connector (A) ignition coils (320 a, b, c, d).

36. Screw on the wiring harness bracket (B), 3 x screws.

37. Plug in connector (C) variable camshaft solenoid valve (693, 694)


38. Plug in connector (A) power steering unit (745)

39. Attach wiring harness to clips and fixings

40. Assemble the bumper shell, see Bumper shell, front or Bumper shell, front, 9-3X .

41. Fit the bottom of the battery cover.

42. Fit engine control module E39, see Control module, E39 (589) .

43. Fit the battery and batter cover.

44. Fit the upper engine cover and remove the wing covers.

45. Restore the car electrical functions, see Procedures after battery disconnection .