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Interior - Manual Lumbar Support Inoperative

TSB: 09-049/06

2006 - 2007 MAZDA6 - MANUAL LUMBAR SUPPORT REPLACEMENT PROCEDURE

APPLICABLE MODEL(S)/VINS
2006 - 2007 Mazda6 with driver's manual lumbar support

DESCRIPTION

On some vehicles equipped with a driver's manual lumbar support, the lumbar will not adjust position or may be inoperative.

A new manual lumbar support assembly is available as a replacement service part.

NOTE:
It is NOT necessary to replace the entire driver's seat assembly to restore the manual lumbar support function.

Customers having this concern should have their vehicle repaired using the following repair procedure.

REPAIR PROCEDURE

1. Verify customer concern.

2. Turn ignition switch to ON position.

3. Record all customer's pre-set radio stations.

4. Adjust driver's seat back to most forward position.

5. Turn ignition switch to LOCK position.

6. Rotate lumbar dial clockwise to fully relaxed position (end of travel).

7. Disconnect negative battery cable and wait for a minimum of one (1) minute.

8. Remove driver's seat from vehicle according to Workshop Manual (section 09-13 FRONT SEAT REMOVAL/INSTALLATION EXCEPT L3 WITH TC).





9. Remove side airbag module from driver's seat back according to Workshop Manual (section 08-10 SIDE AIR BAG MODULE REMOVAL/INSTALLATION).

WARNING:
Be sure to read all airbag SERVICE WARNINGS and SERVICE CAUTIONS contained in section 08-10 of the Workshop Manual before removing the side airbag module.

10. Remove power seat control switch knob.

NOTE:
Make sure lumbar is completely relaxed before removing knob.

11. Pull and remove the manual lumbar control knob.

12. Remove side cover and return any detached clips to side cover.

13. Separate seat control switch from side cover.

14. Remove two (2) screws and separate manual lumbar control from seat cushion frame.

15. Detach lumbar control from cable and remove.

16. Detach any cable retainers from seat cushion frame.

NOTE:
Observe the manual lumbar cable routing for installation.

17. Remove four (4) recliner-to-cushion frame bolts and remove backrest assembly.

18. Route out wire harness(es) and manual lumbar cable.

NOTE:
Observe routing for installation.

19. To install, tighten recliner-to-cushion frame bolts.

Tightening Torque: 55 Nm (41 lb.-ft.)

20. Remove plastic rivet attaching backrest trim cover to inboard recliner.

21. Release backrest trim cover lower J-clip.

22. Release hook-and-loop strips and invert trim cover to first row of hog rings.

CAUTION:
Use care when separating seat back trim cover from hook-and-loop strip, otherwise hook-and-loop strip can be torn from backrest foam pad.

23. Release two (2) manual lumbar spring clips from backrest frame.

24. Remove manual lumbar and route out lumbar cable.

25. To install, reverse the removal procedure from Steps 6-24.

26. Reconnect negative battery cable.

27. Insert key into ignition and start engine.

28. Verify airbag warning light does not stay illuminated.

^ If airbag warning light stays illuminated, inspect airbag harness connectors under driver's seat for proper connections.

29. Re-enter customer's preset radio stations.

30. Turn engine off.

31. Perform "Power Window Initialization Procedure" to restore "anti-pinch" and "auto open/close" window features before returning vehicle to customer or dealer inventory.

32. Verify repair.

POWER WINDOW INITIALIZATION PROCEDURE

1. Turn ignition to ON position.

2. From driver's seat ensure window lockout switch is NOT depressed.

3. Press window switch down to fully open door window.

4. Pull window switch up to fully close door window; hold switch up for two (2) seconds; release switch.

5. Move to front passenger seat and repeat Steps 3 - 4 on passenger window switch.

6. Verify proper window operation using each door switch.





PART(S) INFORMATION





WARRANTY INFORMATION

NOTE:
^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair. Refer to the Warranty Wizard for warranty term information.

^ Additional diagnostic time cannot be claimed for this repair.





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