2001 TOYOTA SEQUOIA Back Seat

BE268±04
I08215
Lifter
Up
Down
Reclining Tilt
Up
Down
Front BackForward
Rear
I18601
Forward
FrontRear
Back
± BODY ELECTRICALPOWER SEAT CONTROL SYSTEM
BE±109
3513 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT DRIVER'S POWER SEAT SWITCH CONTI-
NUITY (w/o Driving Position Memory)
Slide Switch:
Switch positionTester connectionSpecified condition
FRONT1 ± 9, 4 ± 6Continuity
OFF4 ± 6 ± 9Continuity
BACK1 ± 6, 4 ± 9Continuity
Front Tilt Switch:
Switch positionTester connectionSpecified condition
UP1 ± 10, 4 ± 5Continuity
OFF4 ± 5 ± 10Continuity
DOWN1 ± 5, 4 ± 10Continuity
Rear Lifter Switch:
Switch positionTester connectionSpecified condition
UP1 ± 7, 4 ± 8Continuity
OFF4 ± 7 ± 8Continuity
DOWN1 ± 8, 4 ± 7Continuity
Reclining Switch:
Switch positionTester connectionSpecified condition
FORWARD1 ± 3, 2 ± 4Continuity
OFF2 ± 3 ± 4Continuity
REAR1 ± 2, 3 ± 4Continuity
If continuity is not as specified, replace the switch.
2. INSPECT PASSENGER'S POWER SEAT SWITCH
CONTINUITY
Slide Switch:
Switch positionTester connectionSpecified condition
FRONT1 ± 9, 4 ± 6Continuity
OFF4 ± 6 ± 9Continuity
BACK1 ± 6, 4 ± 9Continuity
Reclining Switch:
Switch positionTester connectionSpecified condition
FORWARD1 ± 3, 2 ± 4Continuity
OFF2 ± 3 ± 4Continuity
REAR1 ± 2, 3 ± 4Continuity
If continuity is not as specified, replace the switch.

I07256
(a)
(b)
21
1 2
N21868
21
N21869
21
I04163
21
I05473
21
BE±112
± BODY ELECTRICALPOWER SEAT CONTROL SYSTEM
3516 Author: Date:
2005 SEQUOIA (RM1146U)
10. INSPECT RECLINING MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (±) lead to terminal 2, check that the
motor turns clockwise.
(b) Reverse the polarity, check that the motor turns counter-
clockwise.
If operation is not as specified, replace the seat adjuster.
11. INSPECT RECLINING MOTOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
2, the positive (+) lead from the ammeter to terminal 1 and
the negative (±) lead to the battery negative (±) terminal,
then recline the seat back to the most forward position.
(b) Continue to apply voltage, check that the current changes
to less than 1 ampere within 4 to 90 seconds.
(c) Disconnect the leads from the terminals.
(d) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 1 and the negative (±)
lead to terminal 2, check that the seat back begins to fall
backward.
If operation is not as specified, replace the seat adjuster.
12. INSPECT LUMBAR SUPPORT MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (±) lead to terminal 2, check that the
lumbar support moves to release side.
(b) Reverse the polarity, check that the lumbar support
moves forward.
If operation is not as specified, replace the seat adjuster.

BE0GH±22
I28421
Ignition SwitchSeat Heater Switch
Instrument Panel J/B

SEAT HEATER Relay

SEAT HTR Fuse
Seat Heater CushionSeat Heater Back
± BODY ELECTRICALSEAT HEATER SYSTEM
BE±123
3527 Author: Date:
2005 SEQUOIA (RM1146U)
SEAT HEATER SYSTEM
LOCATION

I18624
I18623
I18625
Wire Harness Side:
± BODY ELECTRICALSEAT HEATER SYSTEM
BE±125
3529 Author: Date:
2005 SEQUOIA (RM1146U)
3. INSPECT SEAT HEATER CUSHION CONTINUITY
(a) Heat the thermostat with a light.
(b) Inspect the seat heater cushion continuity between termi-
nals, as shown.
Tester connectionConditionSpecified condition
2 ± 4AlwaysContinuity
1 ± 3Seat heater temperature below 30°C (86°F)Continuity
1 ± 3Seat heater temperature above 40°C (104°F)No continuity
If continuity is not as specified, replace the seat cushion pad.
4. INSPECT SEAT BACK CONTINUITY
(a) Heat the thermostat with a light.
(b) Inspect the seat heater cushion continuity between termi-
nals, as shown.
Tester connectionConditionSpecified condition
2 ± 3AlwaysContinuity
1 ± 2, 1 ± 3Seat heater temperature below 30°C (86°F)Continuity
1 ± 2, 1 ± 3Seat heater temperature above 50°C (122°F)No continuity
If continuity is not as specified, replace the seat back pad.
5. INSPECT SEAT HEATER CUSHION CIRCUIT
Inspect the seat heater inner cushion and front cushion continu-
ity between terminals, as shown.

I18626
Wire Harness Side:
I0502712
3 5
1
2 3
5
BE±126
± BODY ELECTRICALSEAT HEATER SYSTEM
3530 Author: Date:
2005 SEQUOIA (RM1146U)Tester connection
ConditionSpecified condition
1 ± Body groundSeat heater switch ONBattery positive voltage
If continuity is not as specified, replace the seat back pad.
6. INSPECT SEAT BACK CONTINUITY
Inspect the seat back continuity between terminals, as shown.
Tester connectionConditionSpecified condition
1 ± Body groundAlwaysContinuity
If continuity is not as specified, replace the seat back pad.
7. INSPECT SEAT HEATER RELAY CONTINUITY
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.

BO4S6±01
H24329
37 (380, 27)
37 (380, 27)
37 (380, 27)
37 (380, 27)
37 (380, 27)
42 (430, 32) Seatback Cover
Seat Cushion
Cover
Seat Cushion
PadArmrest CapArmrest Spacer
Armrest
Lock Plate
Spacer
Armrest
AssemblyHeadrest
Headrest Support Seatback Pad
Lumbar Support
Adjuster
Seat Frame Assembly Seat Position Sensor
Protector
Seat Position
Sensor
Seat Cushion
Inner Shield
Seat Cushion
Lower ShieldFront Seat Inner BeltRH Reclining
Adjuster Inside
CoverRH Seatback
ShieldVertical Adjuster
Bracket Inner Cover
Vertical Adjuster
Bracket Outer Cover
LH Reclining
Adjuster Inside Cover
Reclining Knob
Slide Knob
Seat Cushion Outer ShieldLumbar Switch Power Seat SwitchLH Seatback Shield

Hog RingSeat Track
Cover
Seat Track
CoverBushing

Hog Ring
Non±reusable part: Specified torque
N´m (kgf´cm, ft´lbf)


w/ Side airbag:
5.5 (56, 49 in.´lbf)
w/ Seat heater:
w/ Seat heater:
Seat Cushion Heater Assembly
Seatback
Heater Assembly
Occupant Classification ECUPassenger's seat:
Driver's seat:
Driver's seat:
BO±110
± BODYFRONT SEAT (Power Adjuster Type)
3663 Author: Date:
2005 SEQUOIA (RM1146U)
FRONT SEAT (Power Adjuster Type)
COMPONENTS
HINT:
The procedures listed below are for the LH side.

BO4S7±01
± BODYFRONT SEAT (Power Adjuster Type)
BO±111
3664 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
CAUTION:
Work must not be started until at least 90 seconds after the ignition switch is turned to the LOCK posi-
tion 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 discon-
necting the negative (±) terminal cable of the battery, the SRS may deploy.)
NOTICE:
When removing/installing and overhauling the passenger seat, check the passenger occupant clas-
sification system and perform the zero point calibration (see page DI±1128).
HINT:
The procedures listed below are for the LH side.
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
2. REMOVE SEAT TRACK COVERS
Using a screwdriver, remove the seat track covers.
HINT:
Tape the screwdriver tip before use.
3. 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.

H24314
H24315
H24316
H24317
± BODYFRONT SEAT (Power Adjuster Type)
BO±113
3666 Author: Date:
2005 SEQUOIA (RM1146U)
(e) Remove the 2 screws from the seat cushion lower shield.
(f) Disconnect the lumbar switch connector from the seat
cushion outer shield, and remove the seat cushion lower
shield, outer shield and inner shield.
(g) Remove the screw and separate the seat cushion lower
shield and seat cushion outer shield.
(h) Perform the same procedure on the other side.
4. REMOVE FRONT SEAT INNER BELT
(a) Disconnect the wire harness clamps and connectors.
(b) Remove the nut and front seat inner belt.
5. REMOVE LUMBAR SWITCH
Remove the 2 screws and lumbar switch from the seat cushion
outer shield.
6. REMOVE POWER SEAT SWITCH
Remove the 3 screws and power seat switch.
7. REMOVE ARMREST ASSEMBLY
(a) Using a screwdriver, remove the armrest cap.
(b) Remove the bolt, armrest spacer, armrest lock plate and
armrest assembly.
(c) Remove the spacer from the armrest assembly.
8. REMOVE SEATBACK COVER AND PAD
(a) Remove the hog rings from the seat frame assembly.
(b) Open the fastener.