Subaru BRZ 2013 · Service Manual Interior body & electrical

Front seat ASSY

Components Inspection Removal / installation

SEAT
FRONT SEAT ASSY
EXPLODED VIEW
REMOVAL
NOTE:
The following procedure is for LH side. Perform the same procedures for the RH side.
1. Precautions
WARNING:
·Before starting the work, read the precautions for the SRS airbag system to make sure to properly perform the work. (Refer to )
·If the side airbag module LH has been activated, replace the following parts with new ones: side airbag module ASSY LH, separate type front seat backrest frame ASSY LH, separate type front seat backrest cover LH, and the separate type front seat backrest pad LH.
CAUTION:
After turning the ignition switch to OFF, you may have to wait for a while before disconnecting the battery terminals. Check appropriate precautions for battery terminal disconnection before proceeding. (Refer to )
2. Disconnection of the battery ground terminal
WARNING:
·Turn the ignition switch to OFF, disconnect the battery ground terminal, and then wait for 60 seconds before starting the work.
·The air bag and pretensioner system are fitted with a backup power supply. If you start the work within 60 seconds after disconnecting the battery ground terminal, the air bag may be activated.
CAUTION:
To avoid damage to the molding, be sure to fully open the door glasses on both driver’s and passenger’s sides.
3. Removal of the front seat headrest ASSY
4. Removal of the front seat ASSY LH
(1) Slide the front seat ASSY LH to the most front position.
(2) Release the hook and turn over the front seat cushion cover LH.
(3) Disconnect the connectors and the wiring harness clamp.
(4) Using the torque socket wrench (E10), remove 2 bolts on the rear side of the front seat ASSY LH.
(5) Slide the front seat ASSY LH to the most rear position.
(6) Using the torque socket wrench (E10), remove 2 bolts on the front side of the front seat ASSY LH.
(7) Remove the front seat ASSY LH.
CAUTION:
·The front seat ASSY LH must be carried out of the vehicle with the front seat headrest ASSY removed, by more than one personnel.
·Be careful not to damage the front seat ASSY LH, the body exterior and interior.
DISASSEMBLY
NOTE:
The following procedure is for LH side. Unless otherwise specified, perform the same procedures for the RH side.
1. Removal of the reclining adjuster release handle LH
(1) Pull up the reclining adjuster release handle LH.
(2) As shown in the figure, release the claw by using the fine flat tip screwdriver wrapped with protective tape, and remove the reclining adjuster release handle LH.
Captions in illustration
*1
Protective tape
2. Removal of the vertical adjuster handle LH (driver’s side)
(1) Remove the screw and remove the vertical adjuster handle LH.
3. Removal of the front seat cushion shield LH
(1) Remove 2 screws.
(2) Release 4 claws, 5 guides, and the clip, and remove the front seat cushion shield LH.
4. Removal of the front seat cushion shield INN LH
(1) Release 2 claws, 4 guides, and the clip, and remove the front seat cushion shield INN LH.
6. Removal of the front seat backrest ASSY LH
(1) Release 2 hooks.
(2) Remove the rubber band of the separate type front seat backrest cover LH.
(3) Disconnect the connector and the clamp of the seat heater. (For the model with the seat heater)
(4) Release the fastener and disconnect the wiring harness of the side airbag module LH.
(5) Release the claw and 4 clamps, and disconnect the wiring harness of the side airbag module ASSY LH.
(6) Using the torque socket wrench (T40), remove 4 bolts, and remove the front seat backrest ASSY LH from the front seat cushion ASSY LH.
7. Removal of the separate type front seat backrest cover with pad
(1) Remove 5 hog rings.
(2) Open 2 fasteners.
(3) Turn over the separate type front seat backrest cover LH.
(4) Release 2 hooks.
(5) Remove the nut, and disconnect 3 brackets of the separate type front seat backrest cover LH.
(6) Release 4 claws and remove 2 front seat headrest supports.
(7) Remove the separate type front seat backrest cover with pad from the separate type front seat backrest frame ASSY LH.
8. Removal of the side airbag module LH (Refer to )
9. Removal of the separate type front seat backrest cover LH
(1) Remove 14 hog rings, and remove the separate type front seat backrest cover LH from the separate type front seat backrest pad LH.
10. Removal of the separate type front seat cushion cover with pad
(1) Release the claw, and disconnect the connector of the simplified occupant sensor. (Passenger’s side)
(2) Release the claw and 3 clamps, and disconnect the wiring harness of the seat heater. (For the model with the seat heater)
(3) Release the hooks, and remove the separate type front seat cushion cover with pad from the separate type front seat cushion frame ASSY LH.
(4) Release the hooks, and remove the separate type front seat cushion cover with pad from the separate type front seat cushion frame ASSY RH.
11. Removal of the separate type front seat cushion cover LH
(1) Remove 2 hog rings.
(2) Remove 12 hog rings, and remove the separate type front seat cushion cover LH from the separate type front seat cushion pad LH.
12. Removal of the front seat cushion shield LWR LH
(1) Remove the screw.
(2) Release the hook.
(3) Release the clip, and remove the front seat cushion shield LWR LH.
13. Removal of the front seat cushion shield LWR LH
NOTE:
Remove the part in the same manner as RH side.
14. Removal of the front seat cushion edge protector LH
(1) Remove the screw.
(2) Release 3 claws and remove the front seat cushion edge protector LH.
15. Removal of the front seat cushion edge protector LH
NOTE:
Remove the part in the same manner as RH side.
16. Removal of the seat track adjusting handle
(1) Remove 2 springs with a screwdriver, and remove the seat track adjusting handle from the separate type front seat cushion frame ASSY LH.
17. Removal of the reclining adjuster release band
(1) Remove the screw and remove the reclining adjuster release band.
18. Removal of the seat track cover OUT RH
(1) Release 2 claws and remove the seat track cover OUT RH.
NOTE:
Remove both parts using the same procedures.
19. Removal of the front seat cushion protector No.1
(1) Release 2 claws and remove the front seat cushion protector No.1.
NOTE:
Remove both parts using the same procedures.
ASSEMBLY
NOTE:
The following procedure is for LH side. Perform the same procedures for the RH side.
1. Installation of the seat track cover OUT LH
(1) Engage 2 claws and install the seat track cover OUT LH.
NOTE:
Install both parts using the same procedures.
2. Installation of the front seat cushion protector No.1
(1) Engage 2 claws and install the front seat cushion protector No.1.
NOTE:
Install both parts using the same procedures.
3. Installation of the reclining adjuster release band
(1) Remove the screw and install the reclining adjuster release band.
4. Installation of the seat track adjusting handle
(1) Install the seat track adjusting handle to the separate type front seat cushion frame ASSY RH.
CAUTION:
·Install the rear end of the seat track adjusting handle to the upper side of the seat track lever.
·Securely install 2 springs to the groove of the seat track adjusting handle.
5. Installation of the front seat cushion edge protector RH
(1) Engage 3 claws and install the front seat cushion edge protector RH of the RH seat.
(2) Install the screws.
6. Installation of the front seat cushion edge protector LH
NOTE:
Install the part in the same manner as RH side.
7. Installation of the front seat cushion shield LWR RH
(1) Temporally install the front seat cushion shield LWR RH with the clip.
(2) Engage the hook.
(3) Install the front seat cushion shield LWR RH with the screw.
8. Installation of the front seat cushion shield LWR LH
NOTE:
Install the part in the same manner as RH side.
9. Installation of the separate type front seat cushion cover LH
(1) Using hog ring pliers and 12 new hog rings, install the separate type front seat cushion cover LH to the separate type front seat cushion pad LH.
CAUTION:
·Be careful not to dirty or damage the separate type front seat cushion cover LH.
·Align the centers of the fabric and the separate type front seat cushion pad LH taking care not to make wrinkles, and attach the hog rings.
NOTE:
If the separate type front seat cushion cover LH for replacement is not provided with the retracting wire, reuse the original wire.
Captions in illustration
*1
New hog ring
*2
Hog ring pliers
10. Installation of the separate type front seat cushion cover with pad
(1) Engage the hooks, and install the separate type front seat cushion cover with pad to the separate type front seat cushion frame ASSY LH.
(2) Engage the claw and 3 clamps, and connect the wiring harness of the seat heater. (For the model with the seat heater)
(3) Engage the claw, and connect the connector of the simplified occupant sensor. (Passenger’s side)
11. Installation of the separate type front seat backrest cover LH
CAUTION:
·If the separate type front seat backrest cover LH is torn or frayed, the side airbag module LH may not be activated properly. In this case, replace the separate type front seat backrest cover LH with a new one.
·If the separate type front seat backrest cover LH is not installed securely, the side airbag module LH may not be activated properly. Therefore, keep strictly to the following procedures.
(1) Remove the 4 vertical tension wires that come inserted in the seat backrest cover to facilitate installation.
(2) Align the V notches (a) on the seat backrest cover center section with the guidelines (b) on the seat center, and secure with hog rings in order from (1) to (4).
(3) Insert the vertical tension wires into the vertical support sleeve of the seat cover, and pass the woven fabric reinforcement (b) for the side airbag through the pad hole (a).
(4) Secure (1) to (5) with hog rings, and once you have firmly installed the seat cover outer side, secure (6) to (10) with hog rings, and firmly install the seat backrest cover inner side.
CAUTION:
·Be careful not to dirty or damage the separate type front seat backrest cover RH.
·Align the centers of the fabric and the separate type front seat backrest pad RH, taking care not to make wrinkles, and attach the hog rings.
NOTE:
If the separate type front seat backrest cover RH for replacement is not provided with the retracting wire, reuse the original wire.
13. Installation of the separate type front seat backrest cover with pad
(1) Install the separate type front seat backrest cover with pad on the separate type front seat backrest frame ASSY RH.
(2) Pass the side airbag woven fabric reinforcements (a) through the pad slits.
(3) Set the woven fabric reinforcements, in numbered order, on the side frame stud bolt, and tighten them.

Standard value:
Tightening torque=5.5N·m { 56kgf·cm} {4.1ft·lbf}
WARNING:
·When installing the brackets, check that the band is not twisted.
·Wrap the side airbag module RH with the band, then install the brackets.
·If the brackets are not installed securely, the side airbag module RH may not be activated properly.
(4) Engage 4 claws and install 2 front seat headrest supports.
(5) Pass the plastic hook on the back of the seat backrest cover through the felt, and insert it into the plastic mat of the frame until it clicks.
(6) Insert the center part of the back felt into the frame interior, and secure the felt to the frame with a hog ring.
CAUTION:
Check thoroughly that the PAD is not caught on the edge of the frame.
(7) Close the fasteners on both sides, and put the fastener terminals on the back of the seat backrest cover.
NOTE:
If the separate type front seat backrest cover RH for replacement is not provided with the retracting wire, reuse the original wire.
(8) Secure the hog rings in order from (1) to (5).
CAUTION:
·When performing the securing operation using the hog rings on both sides, insert the gap covers under and fasten 2 hog rings together.
·Do not hook the gap covers on the frame.
·When pulling in the PAD lower edge, be careful not to tear the surface leather.
·Be careful not to dirty or damage the separate type front seat backrest cover RH.
NOTE:
If the separate type front seat backrest cover RH for replacement is not provided with the retracting wire, reuse the original wire.
Captions in illustration
*1
New hog ring
*2
Hog ring pliers
*a
Cushion cover
*b
Gap cover
*c
Seat backrest cover
 
 
(9) Hook the rubber of the carpet on the spring of the front cushion rear.
14. After assembling the seat cover, if there are any wrinkles, use an iron to finish the seat.
(1) Place a wet towel on the wrinkles.
(2) Use the iron which is warmed to a medium temperature.
CAUTION:
Do not stop moving the iron. Doing so will damage the surface leather.
15. Check if there are any tears or frays in the backrest cover or the seat cushion cover.
NOTE:
For seats with a side airbag, if there is a tear or a fray on the door side of the seat cover, the side airbag may not operate properly. Replace the seat cover with a new one.
16. Installation of the front seat backrest ASSY LH
(1) Using the torque socket wrench (T40) and 4 new bolts, install the front seat backrest ASSY LH to the front seat cushion ASSY LH.

Standard value:
Tightening torque=42N·m { 428kgf·cm} {31.0ft·lbf}
(2) Engage the claw and 4 clamps, and connect the wiring harness of the side airbag module.
(3) Secure the wiring harness of the side airbag module with the fastener.
(4) Connect the connector and the clamp of the seat heater. (For the model with the seat heater)
(5) Install the rubber band of the separate type front seat backrest cover LH.
(6) Engage 2 hooks.
18. Installation of the front seat inner belt ASSY RH (Refer to )
19. Installation of the front seat cushion shield INN LH
(1) Engage 2 claws and 5 guides, and install the front seat cushion shield INN LH.
20. Installation of the front seat cushion shield LH
(1) Engage 4 claws, 5 guides, and the clip, and install the front seat cushion shield LH.
(2) Install the screws.
21. Installation of the vertical adjuster handle LH
(1) Install the vertical adjuster handle LH with the screw.
22. Installation of the reclining adjuster release handle LH
(1) Engage the claw and install the reclining adjuster release handle LH.
INSTALLATION
NOTE:
The following procedure is for LH side. Unless otherwise specified, perform the same procedures for the RH side.
1. Installation of the front seat ASSY LH
(1) Return the front seat backrest ASSY to the upright position, and lock it.
(2) Carry in the front seat ASSY LH to the vehicle.
CAUTION:
·The front seat ASSY LH must be carried in to the vehicle with the front seat headrest ASSY removed, by more than one personnel.
·Be careful not to damage the front seat ASSY LH, the body exterior and interior.
(3) Slide the front seat ASSY LH to the most rear position.
(4) Using the torque socket wrench (E10), install the front side of the front seat ASSY LH with 2 bolts.
(5) Connect the connectors and the wiring harness clamp.
(6) Engage the hook and install the front seat cushion cover LH.
(7) Slide the front seat ASSY LH to the most front position.
(8) Using the torque socket wrench (E10), install the rear side of the front seat ASSY LH with 2 bolts.
(9) Slide the front seat ASSY LH to the most rear position.
(10) Using the torque socket wrench (E10), tighten 2 bolts on the front side of the front seat ASSY LH in the order shown in the figure.

Standard value:
Tightening torque=53N·m { 540kgf·cm} {39.1ft·lbf}
(11) Slide the front seat ASSY LH to the most front position.
(12) Using the torque socket wrench (E10), tighten 2 bolts on the rear side of the front seat ASSY LH in the order shown in the figure.

Standard value:
Tightening torque=53N·m { 540kgf·cm} {39.1ft·lbf}
2. Check of the synchronized locking operation of the slide adjusters
(1) Check that the right and left adjusters are simultaneously locked when the seat slides.
(2) If the sliders are not synchronized, loosen the bolts securing the seat and adjust them.
3. Installation of the front seat headrest ASSY
4. Connection of the battery ground terminal

Standard value:
Tightening torque=6.0N·m { 61kgf·cm} {4.4ft·lbf}
5. Function inspection of the seat belt (Refer to )
6. Settings when removing/installing battery terminals (Refer to )
7. Inspection of the airbag warning light (Refer to )
ON-VEHICLE INSPECTION
1. Inspection of the front seat ASSY
(1) Turn the ignition switch to ON.
(2) Check that the indicator light illuminates by turning the seat heater switch ON, and the seat surface of the front seat ASSY is warmed in approx. 5 minutes.