headrest TOYOTA SEQUOIA 2001 Service Repair Manual

DIDGK±01
A08841
Hand±held Tester
DLC3
DI±1128
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1322 Author: Date:
2005 SEQUOIA (RM1146U)
INITIALIZATION
ZERO POINT CALIBRATION AND SENSITIVITY CHECK
NOTICE:
Make sure that the seat is not occupied before performing
the operation.
HINT:
Perform the zero point calibration and sensitivity check if any of
the following conditions occur.

The occupant classification ECU is replaced.

Accessories (seatback tray and seat cover, etc.) are
installed.

The passenger seat is removed from the vehicle.

The passenger airbag ON/OFF indicator (ºOFFº) comes
on when the passenger seat is not occupied.

The vehicle is brought to the workshop for repair due to
an accident or a collision.
Zero point calibration and sensitivity check procedures.
HINT:
Make sure that zero point calibration has finished normally, and
then perform the sensitivity check.
(1) Adjust the seat position according to the table be-
low.
Adjustment ComponentPosition
Slide DirectionRearmost position
Reclining AngleUpright position
Headrest HeightLowest position
Lifter HeightLowest position
(2) Connect the hand±held tester to the DLC3.
(3) Turn the ignition switch to the ON position.
(4) Perform the zero point calibration by following the
prompts on the tester screen shown in 2 pages lat-
er.
HINT:
Refer to the hand±held tester operator's manual for further de-
tails.
OK:
The ºCOMPLETEº is displayed.

DIAGNOSTIC MENU
OCCUPANT DETECT
1: DATA LIST
2: DTC INFO
5: ZERO CALIBRATION
6: SENSITIVITY CHK 4: SNAPSHOT
NOTICE
Please confirm seat
position.
Slide: Max rear
Recline: Max upright
Headrest: Max down
Lifter: Max down
PRESS [ENTER] or [EXIT]NOTICE
Confirm that
nothing is placed
on the passenger
seat.
PRESS [ENTER] or [EXIT]
NOTICE
Do you wish to
start ºZERO
CALIBRATIONº?
PRESS [YES] or [NO]ZERO CALIBRATION
COMPLETED
Next, perform the
SENSITIVITY CHECK.
PRESS [ENTER]
ZERO POINT CALIBRATION PROCEDURE
º1: DIAGNOSISº ± º1: OBD/MOBDº ± ºMODEL YEARº ± ºMODEL SELECTION = SEQUOIAº ±
Select the option parts ± º9: OCCUPANT DETECTº ± Refer to the following screen flow.
ZERO CALIBRATION
FAILED
EEPROM writing error
Please check DTCs
PRESS [ENTER]ZERO CALIBRATION
FAILED
Failed to SECURITY
ACCESS.
PRESS [ENTER]Try again
ZERO CALIBRATION
FAILED
Sensor range
Front Left
PRESS [ENTER] over malfunction
Front Right
Rear Left
Rear Right±±±±[ ]
±±±±[ ]
±±±±[ ]
±±±±[ ]Sensor information is
expressed as OK, MAX or MIN
in [ ].
If MAX or MIN is displayed,
replace the front seat assembly RH. Perform sensitivity check.
Perform DTC check and repair. DI±1130
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1324 Author: Date:
2005 SEQUOIA (RM1146U)

RS0T9±06
H23932
37 (377, 27)
37 (377, 27)
37 (377, 27)
37 (377, 27)
37 (377, 27)
42 (428, 31)
N´m (kgf´cm, ft´lbf) : Specified torque
Non±reusable part
Seat Cushion Outer Shield
Slide KnobReclining Knob Lumbar Switch Power Seat Switch
Seat Cushion Lower ShieldSeat Position Sensor Seat Cushion Inner Shield
Driver's seat:
Torx) Screw
Seat Position
Sensor Protector
Driver's seat:
Hog Ring

Front Seat Inner BeltHeadrest Support
Seat Frame Assembly Seatback CoverSeatback Pad
Spacer
Seat Track Cover Seat Track CoverArmrest Assembly Armrest CapArmrest SpacerArmrest Lock Plate
Headrest
8.0 (82, 72 in.´lbf)
w/ Side Airbag:
5.5 (56, 49 in.´lbf)
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
RS±45
3328 Author: Date:
2005 SEQUOIA (RM1146U)
SIDE AIRBAG ASSEMBLY (Power Adjuster Type)
COMPONENTS

RS0TA±03
H24311
H24312
RS±46
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
3329 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
HINT:

Use the same procedures for the RH side and LH side.

The procedures listed below are for the LH side.
NOTICE:

If the wiring connector of the SRS is disconnected
and the ignition switch is in the ON or ACC position,
DTCs will be recorded.

Never use airbag parts from another vehicle. When
replacing parts, replace them with new ones.
1. PRECAUTION (SEE PAGE RS±1 and RS±3)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the
airbag working.
3. REMOVE SEAT TRACK COVERS
Using a screwdriver, remove the 2 seat track covers.
HINT:
Tape the screwdriver tip before use.
4. REMOVE FRONT SEAT
(a) Remove the 4 bolts.
(b) w/ Side airbag:
Disconnect the connectors.
(c) Remove the front seat.
CAUTION:
Be careful not to damage the body.
5. REMOVE HEADREST
6. REMOVE SLIDE KNOB AND RECLINING KNOB
Using a screwdriver, remove the slide knob and reclining knob.
HINT:
Tape the screwdriver tip before use.
7. REMOVE SEAT CUSHION LOWER SHIELD, SEAT
CUSHION OUTER SHIELD AND SEAT CUSHION IN-
NER SHIELD
(a) Remove the screw from the seat cushion outer shield.
(b) Perform the same procedure as for the seat cushion inner
shield.

H24317
H24861
H24321
Hog Ring
H24318Hog Ring
H24319
RS±48
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
3331 Author: Date:
2005 SEQUOIA (RM1146U)
12. REMOVE SEATBACK COVER AND PAD
(a) Remove the hog rings from the seat frame assembly.
(b) Open the fastener.
(c) w/ Side airbag:
Remove the nut and disconnect the seatback cover
bracket from the seat frame assembly.
(d) Remove the hog rings from the seat frame assembly.
(e) Remove the hog rings from the seat frame assembly.
(f) Remove the seatback cover and pad from the seat frame
assembly.
13. REMOVE SEATBACK COVER
(a) Turn up the seatback cover and remove the hog rings.
(b) Remove the 2 headrest supports.
(c) Remove the seatback cover from the seatback pad.

RS11C±01
H24319
H24318Hog Ring
H24321Hog Ring
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
RS±57
3340 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
HINT:

Use the same procedures for the RH side and LH side.

The procedures listed below are for the LH side.
NOTICE:

If the side airbag assembly has been dropped, or
there are cracks, dents or other defects in the case or
connector, replace the side airbag assembly with a
new one.

When installing the side airbag assembly, take care
it is not pinched between other parts.

Never use airbag parts from another vehicle. When
replacing parts, replace them with new ones.
1. INSTALL SEATBACK COVER
(a) Install the seatback cover to the seatback pad.
(b) Install the 2 headrest supports.
(c) Turn up the seatback cover and install the hog rings.
2. INSTALL SEATBACK COVER AND PAD
(a) Install the seatback cover and pad to the seat frame as-
sembly.
(b) Install the 2 headrest supports to the seat frame assem-
bly.
(c) Install the hog rings to the seat frame assembly.
(d) Install the hog rings to the seat frame assembly.

H24314
H24313
H24312
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Power Adjuster Type)
RS±59
3342 Author: Date:
2005 SEQUOIA (RM1146U)
(d) Install the 2 screws to the seat cushion lower shield.
(e) Install the 2 screws to the seat cushion inner shield.
(f) Install the 2 screws to the seat cushion outer shield.
(g) Install the screw to the seat cushion outer shield.
8. INSTALL SLIDE KNOB AND RECLINING KNOB
9. INSTALL HEADREST
10. INSTALL FRONT SEAT
Mount the front seat to the vehicle.
NOTICE:
Be careful not to damage the body.
(a) w/ Side airbag:
Connect the connectors.
(b) Connect the connectors.
(c) Slide the front seat to the rearmost position.
(d) Tighten the bolts on the front side temporarily, starting
from the bolt on the inner side.
(e) Tighten them completely.
Torque: 37 N´m (377 kgf´cm, 27 ft´lbf)
(f) Slide the front seat to the foremost position.
(g) Tighten the bolts on the rear side temporarily, starting
from the bolt on the inner side.
(h) Tighten them completely.
Torque: 37 N´m (377 kgf´cm, 27 ft´lbf)
11. INSTALL SEAT TRACK COVERS
12. CONNECT CABLE TO NEGATIVE BATTERY TERMI-
NAL
13. PERFORM INITIALIZATION (SEE PAGE BE±77)
Some system need initialization when disconnecting the cable
from the negative battery terminal.
14. INSPECT SRS WARNING LIGHT (SEE PAGE DI±1137)

RS0TD±04
H24667
42 (428, 31)
37 (377, 27)
8.0 (82, 72 in.´lbf)
37 (377, 27)
37 (377, 27)
37 (377, 27)
37 (377, 27)
Seatback CoverSeatback Pad
Front Seat Inner Belt Seat Cushion Inner Shield
Seat Cushion Outer ShieldArmrest CapArmrest SpacerArmrest Lock Plate
Headrest
Headrest Support
Armrest Assembly
Seat Track Cover
Seat Track Cover
Seat Position
Sensor Protector
Driver's seat:
Seat Position Sensor
Driver's seat:
Torx) Screw Seat Frame Assembly Hog Ring

N´m (kgf´cm, ft´lbf) : Specified torque
Non±reusable part
Spacer
Reclining Adjuster Release Handle
Vertical Adjuster Handle Cap
Vertical Adjuster Handle
w/ Side Airbag:
5.5 (56, 49 in.´lbf)
RS±60
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Manual Adjuster Type)
3343 Author: Date:
2005 SEQUOIA (RM1146U)
SIDE AIRBAG ASSEMBLY (Manual Adjuster Type)
COMPONENTS

RS11D±01
H24331ClawClip
H24332
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Manual Adjuster Type)
RS±61
3344 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
HINT:

Use the same procedures for the RH side and LH side.

The procedures listed below are for the LH side.
NOTICE:

If the wiring connector of the SRS is disconnected
and the ignition switch is in the ON or ACC position,
DTCs will be recorded.

Never use airbag parts from another vehicle. When
replacing parts, replace them with new ones.
1. PRECAUTION (SEE PAGE RS±1 and RS±3)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the
airbag working.
3. REMOVE SEAT TRACK COVERS
Using a screwdriver, remove the 2 seat track covers.
HINT:
Tape the screwdriver tip before use.
4. REMOVE FRONT SEAT
(a) Remove the 4 bolts.
(b) Disconnect the connectors.
(c) w/ Side airbag:
Disconnect the airbag connector.
(d) Remove the front seat.
NOTICE:
Be careful not to damage the body.
5. REMOVE HEADREST
6. REMOVE SEAT CUSHION OUTER SHIELD
(a) Remove the screw from the seat cushion outer shield.
(b) Using a screwdriver, remove the seat cushion outer
shield.
HINT:
Tape the screwdriver tip before use.
7. REMOVE RECLINING ADJUSTER RELEASE HANDLE
8. REMOVE VERTICAL ADJUSTER HANDLE
(a) Using a screwdriver, remove the vertical adjuster handle
cap.
HINT:
Tape the screwdriver tip before use.

H24338Hog Ring
H24339Hog Ring
H24319
± SUPPLEMENTAL RESTRAINT SYSTEMSIDE AIRBAG ASSEMBLY (Manual Adjuster Type)
RS±63
3346 Author: Date:
2005 SEQUOIA (RM1146U)
(d) Remove the hog rings shown in the illustration from the
seat frame assembly.
(e) Remove the hog rings from the seat frame assembly.
(f) Remove the seatback cover and pad from the seat frame
assembly.
13. REMOVE SEATBACK COVER
(a) Turn up the seatback cover and remove the hog rings.
(b) Remove the 2 headrest supports.
(c) Remove the seatback cover from the seatback pad.