Front RH
Front Seat RH:
OVERHAUL
HINT:
- The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included.
- After removing/installing and overhauling the passenger seat, check that the passenger occupant classification system is functioning properly and perform the zero point calibration.
- A bolt without a torque specification is shown in the standard bolt chart.
CAUTION: Wear protective gloves. Sharp areas on the seatback frame and seat adjuster can cause injuries to your hands.
1. DISCONNECT BATTERY NEGATIVE TERMINAL
CAUTION: Work must be started at least 90 seconds after the ignition switch is turned OFF position and the negative (-) terminal cable is disconnected from the battery.
(The SRS is equipped with a back-up power source. If work is started within 90 seconds from turning the ignition switch OFF and disconnecting the negative (-) terminal cable of the battery, the SRS may deploy.)
2. REMOVE FRONT SEAT TRACK COVER RH REAR OUTER
a. Using a screwdriver, disengage the 4 claws and remove the cover.
HINT: Tape the screwdriver tip before use.
3. REMOVE FRONT SEAT TRACK COVER RH REAR INNER
a. Using a screwdriver, disengage the 2 claws and remove the cover.
HINT: Tape the screwdriver tip before use.
4. REMOVE FRONT SEAT HEADREST ASSEMBLY
5. REMOVE FRONT SEAT ASSEMBLY RH
a. Lift up the seat track adjusting handle and move the seat to the rearmost position.
b. Remove the 2 bolts on the front side of the seat.
c. Lift up the seat track adjusting handle and move the seat to the front-most position.
d. Remove the 2 bolts on the rear side of the seat.
e. Disconnect the connectors under the seat. Then remove the front seat.
NOTE: Be careful not to damage the vehicle body.
6. REMOVE OCCUPANT CLASSIFICATION ECU
7. REMOVE FRONT SEAT INNER BELT ASSEMBLY RH
a. Remove the bolt and belt.
b. Remove the screw.
c. Using a screwdriver, disengage the 2 claws and clip. Then remove the cushion shield inner RH together with the wire harness of the inner belt.
HINT: Tape the screwdriver tip before use.
d. Using a screwdriver, disengage the 3 claws and remove the cushion shield inner RH from the wire harness of the inner belt.
HINT: Tape the screwdriver tip before use.
e. Disengage the clamps and disconnect the connector. Then remove the belt.
8. REMOVE RECLINING ADJUSTER RELEASE HANDLE RH
a. Raise the reclining adjuster release handle to reveal the claw. Using a screwdriver, disengage the claw and remove the release handle.
HINT: Tape the screwdriver tip before use.
9. REMOVE FRONT SEAT CUSHION SHIELD RH
a. Remove the screw.
b. Using a screwdriver, disengage the 2 claws and clip. Then remove the cushion shield.
HINT: Tape the screwdriver tip before use.
10. REMOVE FRONT SEATBACK SHIELD LH
a. Using a screwdriver, disengage the claw and remove the reclining adjuster release handle.
HINT: Tape the screwdriver tip before use.
b. Remove the screw.
c. Using a screwdriver, disengage the 3 claws and remove the seatback shield.
HINT: Tape the screwdriver tip before use.
11. REMOVE FRONT SEATBACK SHIELD RH
HINT: Use the same procedures described for the LH side.
a. w/ Side airbag only:
Disengage the 4 claws and remove the wire harness of the side airbag from the seatback shield.
12. REMOVE FRONT SEATBACK ASSEMBLY RH
a. Remove the 4 bolts and seatback.
13. REMOVE FRONT SEATBACK BOARD RH
a. Using a clip remover, remove the 2 clips.
b. Pull the seatback board in the direction indicated by the arrow in the illustration and disengage the 2 hooks. Then, remove the seatback board.
14. REMOVE FRONT SEATBACK LOCK LH
a. Remove the 2 bolts and seatback lock (together with front seat hinge cover).
b. Disengage the 2 claws and remove the front seat hinge cover from the seatback lock.
15. REMOVE FRONT SEATBACK LOCK RH
HINT: Use the same procedures described for the LH side.
16. REMOVE FRONT SEATBACK LOCK HANDLE ROD
17. REMOVE FRONT SEATBACK COVER
a. Remove the hog rings. Then open the upper part of the seatback cover.
b. Disengage the 4 claws and remove the 2 headrest supports.
c. w/ Side airbag:
Remove the nut and 2 seatback cover brackets.
d. Remove the hog rings and seatback cover (together with the pad) from the seatback frame.
e. Remove the hog rings and seatback cover from the seat-back pad.
18. REMOVE FRONT SEAT CUSHION COVER
a. Disengage the hook and remove the hog rings and seat cushion cover (together with the pad) from the seat adjuster.
b. Remove the hog rings and cushion cover.
19. REMOVE RECLINING ADJUSTER INSIDE COVER LH (UPPER)
a. Remove the screw and inside cover.
20. REMOVE RECLINING ADJUSTER INSIDE COVER RH (UPPER)
a. Remove the screw and inside cover.
21. REMOVE RECLINING ADJUSTER INSIDE COVER LH (LOWER)
a. Remove the screw and inside cover.
22. REMOVE RECLINING ADJUSTER INSIDE COVER RH (LOWER)
a. Remove the screw and inside cover.
23. REMOVE FRONT SEAT WIRE RH
a. Disconnect the connectors and disengage the clamps. Then remove the seat wire.
24. INSTALL FRONT SEAT CUSHION COVER
NOTE:
- Be careful not to damage the cover.
- When installing the hog rings, take care to minimize wrinkles as much as possible.
a. Using hog ring pliers, install the seat cushion cover to the seat cushion pad with new hog rings.
b. Install the seat cushion cover (with pad) to the seat adjuster by using hog ring pliers to attach new hog rings and hooks.
25. INSTALL FRONT SEATBACK COVER
NOTE:
- Be careful not to damage the cover.
- When installing the hog rings, take care to minimize wrinkles as much as possible.
a. Using hog ring pliers, install the seatback cover to the seatback pad with new hog rings.
b. Install the seatback cover (with pad) to the seatback frame.
c. Install the 2 headrest supports.
d. w/ Side airbag:
Fully cover the airbag with the 2 seatback cover brackets and tighten the nut.
Torque: 5.5 N.m (56 kgf.cm, 49 in.lbf)
NOTE:
- For vehicles with side airbags, the seatback cover must be securely installed. Otherwise, the side airbag may not deploy properly.
- Make sure that the strap is not twisted after installing the bracket.
- Install the bracket securely.
e. Using hog ring pliers, install the seatback cover with new hog rings.
26. INSTALL FRONT SEATBACK LOCK LH
a. Install the front seat hinge cover to the seatback lock.
b. Install the seatback lock (with front seat hinge cover) with the 2 bolts.
Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)
27. INSTALL FRONT SEATBACK LOCK RH
HINT: Use the same procedures described for the LH side.
Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)
28. INSTALL FRONT SEATBACK ASSEMBLY RH
a. Install the seatback to the seat cushion with the 4 bolts.
Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)
29. INSTALL FRONT SEAT INNER BELT ASSEMBLY RH
a. Connect the connector and engage the clamps.
b. Engage the wire harness of the inner belt to the cushion shield inner RH.
c. Install the cushion shield inner RH (with wire harness) with the screw.
d. Install the belt with the bolt.
Torque: 41 N.m (418 kgf.cm, 30 ft.lbf)
30. INSTALL FRONT SEAT ASSEMBLY RH
a. Place the seat in the cabin.
b. Connect the connectors under the seat.
c. Tighten the 4 bolts in the order indicated in the illustration.
Torque: 47 N.m (480 kgf.cm, 35 ft.lbf)
31. CHECK SEAT RECLINING ADJUSTER LOCKS
a. During reclining operation of the front seat, check that the left and right adjusters lock simultaneously.
If the adjusters do not lock simultaneously, disassemble the seat to adjust the adjuster's positions.
32. CHECK SEAT SLIDE ADJUSTER LOCKS
a. During sliding operation of the front seat, check that the left and right adjusters move together smoothly and lock simultaneously.
If the adjusters do not lock simultaneously, loosen the seat fixation bolts to adjust the adjuster's positions.
33. CONNECT BATTERY NEGATIVE TERMINAL
34. CHECK SRS WARNING LAMP
35. INITIALIZE FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM
NOTE: Make sure that the seat is not occupied before performing the operation.
HINT: Perform the zero point calibration and sensitivity check when any of the following has occurred.
- The occupant classification ECU is replaced.
- Accessories (seatback tray, seat cover, etc.) are installed.
- The passenger seat is removed from the vehicle.
- The passenger airbag ON/OFF indicator OFF illuminate when the passenger seat is not occupied.
- The vehicle is brought to the workshop for repair due to an accident or a collision.
a. Zero point calibration and sensitivity check procedures.
HINT: Make sure that the zero point calibration has finished normally, and then perform the sensitivity check.
1. Adjust the seat position according to the table.
2. Connect the hand-held tester to the DLC3.
3. Turn the ignition switch ON.
4. Perform the zero point calibration by following the instructions on the tester screen.
HINT: Refer to the hand-held tester operator's manual for further details.
OK: COMPLETE is displayed.
5. Perform the sensitivity check by following the instructions on the tester screen.
6. Confirm that the beginning sensor reading is within the standard value.
Standard value: -3.2 to 3.2 kg (-7 to 7 lb)
7. Place a 30 kg (66.14 lb) weight (for example, a lead mass) onto the passenger seat.
8. Using the hand-held tester, perform the sensitivity check and confirm that the sensitivity is within the standard value.
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
HINT:
- When performing the sensitivity check, use a solid weight made from metal. The check results may be inaccurate if liquid is used as a weight.
- When the sensitivity deviates from the standard value, retighten the bolts of the passenger seat while taking care not to deform the seat rail. After performing this procedure, if the sensitivity is not within the standard value, replace the seat adjuster.
- When the zero point calibration produces errors, replace the seat adjuster.