Seat Backrest - Front
SEAT BACKREST - FRONTSpecial Tool(s)
Special Tool(s):
Front Seat Backrest (Part 1):
Front Seat Backrest (Part 2):
Disassembly
WARNING:
- Always carry or place a live air bag module with the air bag and deployment door/trim cover/tear seam pointed away from the body. Do not set a live air bag module down with the deployment door/trim cover/tear seam face down. Failure to follow these instructions may result in serious personal injury in the event of an accidental deployment.
- Never probe the electrical connectors on air bag, safety canopy or side air curtain modules. Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
- If the seat side air bag cover has been damaged or separated from its mounting, or if the air bag material has been exposed, install a new seat side air bag module. Never try to repair the seat side air bag module. Failure to follow these instructions may result in the seat side air bag deploying incorrectly, which increases the risk of serious personal injury or death in a crash.
- Front seat backrest trim covers installed on seats equipped with seat side air bags cannot be repaired. A new trim cover must be installed. Cleaning is permissible. Failure to follow these instructions may result in the seat side air bag module deploying incorrectly and increase the risk of serious personal injury or death in a crash.
NOTE:
- If a side air bag deployment took place a new backrest foam pad, backrest trim cover and side air bag module must be installed. A new backrest frame should be installed if necessary.
- The air bag warning indicator illuminates when the restraint control module (RCM) fuse is removed and the ignition switch is ON. This is normal operation and does not indicate a supplemental restraint system (SRS) fault.
- The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
- The manual recliners and power recliners are serviced as part of the backrest frame.
All seats
1. Remove the front seat.
2. Remove the front seat backrest.
3. Remove the head restraint.
1. Using an appropriate tool, push in the hole while lifting up and release the head restraint from the head restraint guide.
2. Push in on the head restraint guide release tab and remove the head restraint.
4. Remove the plastic rivets attaching the backrest trim cover to the inboard and outboard recliners.
5. CAUTION: Use care when separating the seat back trim cover from the hook-and-loop strip, or the hook-and-loop strip can be torn from the backrest foam pad.
Release the backrest trim cover lower J-clip, hook-and-loop strips and invert the trim cover to the first row of hog rings.
6. Remove the first row of hog rings.
7. Release the hook-and-loop strips, invert the trim cover and remove the second row of hog rings.
8. NOTE: The head restraint guides are not interchangeable. Note location for installation.
Reach up into the backrest and squeeze the head restraint guide ends together to release. Pull the 2 head restraint guides out of the backrest frame.
9. Remove the backrest trim cover.
Heated seat
10. For power driver seat, disconnect the backrest heated seat mat electrical connector.
- If necessary, remove the backrest heated seat mat from the backrest foam pad.
All seats
11. Separate the backrest foam pad from the backrest frame.
12. NOTE: Note the side air bag module wire harness routing for assembly.
Release the side air bag module wire harness pin-type retainers, remove the bolts and the side air bag module with wire harness.
Seat with manual lumbar
13. Release the 2 manual lumbar spring clips from the backrest frame and remove the manual lumbar.
Seat with power lumbar
14. Remove the power lumbar adjust assembly in the following sequence.
1 Disconnect the power lumbar adjust assembly motor electrical connector.
2 Release the 2 power lumbar adjust assembly lower pin-type retainers to the backrest frame.
3 Slide the power lumbar adjust assembly rods out of the backrest frame at the top and remove the power lumbar adjust assembly.
Seat with power recline
15. Remove a one-way push clip from the recliner shaft and remove the recliner shaft.
16. Disconnect the electrical connector, remove the screw and the power recline motor.
Assembly
Seat with power recline
1. NOTE: The recliners are synchronized. Do not rotate the recliner shaft until completely installed.
Install the recliner motor.
- Position the recliner shaft through the inboard power recliner, power recline motor and outboard recliner.
- Slight turning of the recliner shaft may be necessary.
- Install a new one-way push clip at each end of the recliner shaft.
- Turn the power recline motor so the mounting hole lines up with the bolt hole in the inboard power recliner.
- Install the power recline motor bolt.
- Connect the power recline motor electrical connector.
Seat with power lumbar
2. Install the power lumbar adjust assembly.
- Slide the power lumbar adjust assembly rods into the backrest frame holes at the top.
- Attach the 2 power lumbar adjust assembly lower pin-type retainers to the backrest frame.
- Connect the power lumbar adjust assembly motor electrical connector.
Seat with manual lumbar
3. Attach the 2 manual lumbar spring clips to the backrest frame.
All seats
4. WARNING:
- Before installing the seat side air bag module/deployment chute assembly:
- Inspect the side air bag module and mounting surfaces for any damage or foreign material.
- Remove any foreign material from the mounting surfaces of the deployment chute, the seat backrest frame mounting bracket and the air bag module cavity in the seat backrest foam pad.
- Install new parts if damaged.
Failure to follow these instructions may result in the seat side air bag deploying incorrectly, which increases the risk of serious personal injury or death in a crash.
- If the seat side air bag cover has been damaged or separated from its mounting, or if the air bag material has been exposed, install a new seat side air bag module. Never try to repair the seat side air bag module. Failure to follow these instructions may result in the seat side air bag deploying incorrectly, which increases the risk of serious personal injury or death in a crash.
- Inspect the seat side air bag module cavity in the seat backrest foam pad for any foreign material. If any foreign material is found, remove it. Failure to follow these instructions may result in the seat side air bag module deploying incorrectly and increases the risk of serious personal injury or death in a crash.
CAUTION: Make sure the side air bag module wiring harness is not pinched between the side air bag module and the mounting bracket. Failure to follow this instruction may result in wiring harness damage.
Align the holes of the side air bag module bracket to the U-nuts on the backrest frame.
- Install new U-nuts if installing a new side air bag module.
5. Slide the side air bag module onto the backrest frame so the bracket hook wraps around the backrest frame.
6. Install the side air bag module bolts, route the wire harness as noted during disassembly and install the side air bag module wire harness pin-type retainers.
- Tighten to 10 Nm (89 lb-in).
Heated seat
7. If necessary, install the backrest heated seat mat.
- For driver seats with power recline, connect the backrest heated seat mat electrical connector.
All seats
8. Position the backrest foam pad around the backrest frame.
9. Position the backrest trim cover to the backrest frame and foam pad.
10. Roll the backrest trim cover down, attach the hook-and-loop strips and install the second row of hog rings.
11. Roll the backrest trim cover down, attach the hook-and-loop strips and install the first row of hog rings.
12. Roll the backrest trim cover down, attach the hook-and-loop strips and connect the backrest trim cover lower J-clip.
13. Position the backrest trim cover to the inboard and outboard recliners and install the plastic rivets.
14. NOTE: The head restraint guides are not interchangeable.
Install the head restraint guides.
15. Install the head restraint.
16. Install the front seat backrest.
17. Install the front seat and repower the SRS. If a passenger seat has been serviced, do not prove out the SRS at this time.
Passenger seat
18. Carry out the Occupant Classification Sensor (OCS) System Zero Seat Weight Test and prove out the SRS.