Driver or Passenger Seat Back Cushion Heater Replacement

Driver or Passenger Seat Back Cushion Heater Replacement

Removal Procedure

Warning: Refer to SIR Warning SIR Warning.


1. Disable the SIR System. Refer to SIR Disabling and Enabling Service and Repair.

2. Remove the driver or passenger seat. Refer to Driver or Passenger Seat Removal and Installation (Oshawa 2/4/6-Way Hybrid, 6-Way Sport) .

3. Remove the front seat outer adjuster finish cover. Refer to Driver or Passenger Seat Outer Adjuster Finish Cover Replacement (8-Way Power) Driver or Passenger Seat Outer Adjuster Finish Cover Replacement (8-Way Power).

4. Remove the driver or passenger seat recliner lever, if equipped. Refer to Driver or Passenger Seat Recliner Lever Replacement Driver or Passenger Seat Recliner Lever Replacement.

5. Remove the driver or passenger seat adjuster finish cover. Refer to Driver or Passenger Seat Adjuster Finish Cover Replacement (8-Way-Power) Driver or Passenger Seat Adjuster Finish Cover Replacement (8-Way-Power).

6. Remove the driver or passenger seat inner recliner finish cover. Refer to Driver or Passenger Seat Inner Recliner Finish Cover Replacement (2/4/6-Way Hybrid, 6-Way Hybrid Sport) .

7. Remove the driver or passenger seat head restraint. Refer to Driver or Passenger Seat Head Restraint Replacement (without AHS) Driver or Passenger Seat Head Restraint Replacement (without AHS).

8. Remove the front seat head restraint guide bezel. Refer to Front Seat Head Restraint Guide Bezel Replacement (8-Way Power) Front Seat Head Restraint Guide Bezel Replacement (8-Way Power)Front Seat Head Restraint Guide Bezel Replacement (2/4/6-Way Hybrid, 6-Way Hybrid Sport) .

9. Remove the front seat head restraint adjust rod guide. Refer to Front Seat Head Restraint Guide Replacement Front Seat Head Restraint Guide Replacement.




10. Clip out securing (1) of recliner control shaft (2).




11. Remove the recliner control (1) from the recliner shaft (2). Unhinge the cushion strap (3) at seat frame.





Note: For loosening move the cushion upper and pull from backrest frame.

12. Loosen the front seat back cushion at backrest left side (1) and right side (2).

13. Clip out the front seat back cushion vent fan mat (3) of vent fan (4). Pull the cushion (5) in front to surface.




14. Loosen both nuts (1, 2) from the seat side inflatable restraint module (3).




15. Disconnect the wiring harness connector (2) from the seat side inflatable restraint module (1).




16. Disconnect the wiring harness connector (1) of the seat back cushion heater.




17. Remove the front seat back cushion with cushion pad (1) from the backrest frame (2).




18. Remove the seat side inflatable restraint module (1) out of the textile straps (2).




19. Remove the hog rings from the under side of the seat cushion (1), pull the cushion cover off of the pad (2).




20. Install the seat side inflatable restraint module (1) at cushion cover with the textile straps (2).




21. Label the position of the seat back cushion heater (1) with marker.





Note: Remove the heating mat careful from seat back cushion pad. If the seat cushion pad is too strongly damaged, this must be replaced.

22. Remove the seat back cushion heater (1) from the seat back cushion pad (2).




23. Install seat back cushion heater (1) at cushion pad:
Remove the foil from the new seat back cushion heater mat, and install the seat back cushion heater at cushion pad. Proof the correct position and gluing of the seat back cushion heater.




24. Install the front seat cushion cover (1) at the cushion pad (2) with hog rings.




25. Install the seat side inflatable restraint module (1) at cushion cover with the textile straps (2).




26. Install the front seat back cushion with cushion pad (1) at the backrest frame (2).




27. Connect the wiring harness connector (1) of the seat back cushion heater.





Note: Proof the correct locking of wiring harness connector (2).

28. Connect the wiring harness connector (2) from seat side inflatable restraint module (1).





Caution: Refer to Fastener Caution Fastener Caution.

29. Position the seat side inflatable restraint module (3) the backrest frame. Screw both nuts (1, 2) from seat side inflatable restraint module (3) and tighten to 3.25 Nm (29 lb in).




30. Clip in the front seat back cushion vent fan mat (3) at the vent fan (4). Position the cushion (5).

31. Install the front seat back cushion at backrest left side (1) and right side (2).

32. Install the front seat head restraint adjust rod guide. Refer to Front Seat Head Restraint Guide Replacement Front Seat Head Restraint Guide Replacement.

33. Install the front seat head restraint guide bezel. Refer to Front Seat Head Restraint Guide Bezel Replacement (8-Way Power) Front Seat Head Restraint Guide Bezel Replacement (8-Way Power)Front Seat Head Restraint Guide Bezel Replacement (2/4/6-Way Hybrid, 6-Way Hybrid Sport) .

34. Install the front seat head restraint. Refer to Driver or Passenger Seat Head Restraint Replacement (without AHS) Driver or Passenger Seat Head Restraint Replacement (without AHS).

35. Close the cushion at backrest rear side.

36. Install the driver or passenger seat inner recliner finish cover. Refer to Driver or Passenger Seat Inner Recliner Finish Cover Replacement (2/4/6-Way Hybrid, 6-Way Hybrid Sport) .

37. Install the driver or passenger seat adjuster finish cover. Refer to Driver or Passenger Seat Adjuster Finish Cover Replacement (8-Way-Power) Driver or Passenger Seat Adjuster Finish Cover Replacement (8-Way-Power).

38. Install the driver or passenger seat recliner lever, if equipped. Refer to Driver or Passenger Seat Recliner Lever Replacement Driver or Passenger Seat Recliner Lever Replacement.

39. Install the front seat outer adjuster finish cover. Refer to Driver or Passenger Seat Outer Adjuster Finish Cover Replacement (8-Way Power) Driver or Passenger Seat Outer Adjuster Finish Cover Replacement (8-Way Power).

40. Remove the driver or passenger seat. Refer to Driver or Passenger Seat Removal and Installation (Oshawa 2/4/6-Way Hybrid, 6-Way Sport) .