TOYOTA SEQUOIA 2001 Service Repair Manual

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.

I27710
ForwardRelease
I07253
(a)
(b)
2
1
1 2
I11936
21
I11937
21
I07254
(a)
(b)
21
1 2
BE±110
± BODY ELECTRICALPOWER SEAT CONTROL SYSTEM
3514 Author: Date:
2005 SEQUOIA (RM1146U)
3. INSPECT DRIVER'S LUMBAR SUPPORT CONTROL
SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Forward1 ± 2, 3 ± 4Continuity
OFF1 ± 2, 4 ± 5Continuity
Release1 ± 3, 4 ± 5Continuity
If continuity is not as specified, replace the switch.
4. INSPECT SLIDE 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.
5. INSPECT SLIDE MOTOR PTC THERMISTOR OPERA-
TION
( ): Passenger Side
(a) Connect the positive (+) lead from the battery to terminal
2 (1), the positive (+) lead from the ammeter to terminal
1 (2) and the negative (±) lead to the battery negative (±)
terminal, then move the seat cushion to the rear position.
(b) Continue to apply voltage, check that current changes to
less than 1 ampere within 4 to 90 seconds.
(c) Disconnect the leads from terminals.
(d) Approximately 60 seconds later, connect the positive (+)
lead from the battery to terminal 1 (2) and the negative (±)
lead to terminal 2 (1), check that the seat cushion begins
to move forwards.
If operation is not as specified, replace the seat adjuster.
6. INSPECT FRONT TILT 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.

N22086
21
N22087
21
I07255
(a)
1(b)
22
1
I11940
21
I11941
21
± BODY ELECTRICALPOWER SEAT CONTROL SYSTEM
BE±111
3515 Author: Date:
2005 SEQUOIA (RM1146U)
7. INSPECT FRONT TILT MOTOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
1, the positive (+) lead from the ammeter to terminal 2 and
the negative (±) lead to the battery negative (±) terminal,
then move the seat cushion to the highest 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 2 and the negative (±)
lead to terminal 1, check that the seat cushion begins to
descend.
If operation is not as specified, replace the seat adjuster.
8. INSPECT LIFTER 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.
9. INSPECT LIFTER MOTOR PTC THERMISTOR OPERA-
TION
(a) Connect the positive (+) lead from the battery to terminal
1, the positive (+) lead from the ammeter to terminal 2 and
the negative (±) lead to the battery negative (±) terminal,
then move the seat cushion to the lowest 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 2 and the negative (±)
lead to terminal 1, check that the seat cushion begins to
ascend.
If operation is not as specified, replace the seat adjuster.

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.

I04165
21
I04166
21
± BODY ELECTRICALPOWER SEAT CONTROL SYSTEM
BE±113
3517 Author: Date:
2005 SEQUOIA (RM1146U)
13. INSPECT LUMBAR SUPPORT MOTOR PTC THERM-
ISTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2 and the negative (±) lead to terminal 1 on the lumbar
support motor connector and move the lumbar support to
front end position.
(b) Continue to apply voltage, check that a circuit breaker op-
eration noise can be heard within 4 to 60 seconds.
(c) Reverse the polarity, check that the lumbar support be-
gins to move to release side within approximately 60 se-
conds.
If operation is not as specified, replace the motor.

BE03G±08
I28419
Outer Mirror Assembly

Mirror Motor
Instrument Panel J/BMirror Switch Ignition Switch
BE±114
± BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
3518 Author: Date:
2005 SEQUOIA (RM1146U)
POWER MIRROR CONTROL SYSTEM
LOCATION

BE2MJ±01
I18656
I18657
Retract
Mirror
± BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
BE±115
3519 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. w/o Retract Mirror and Driving Position Memory:
(a) Left Side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF±No continuity
UP4 ± 8, 6 ± 7Continuity
DOWN4 ± 7, 6 ± 8Continuity
LEFT5 ± 8, 6 ± 7Continuity
RIGHT5 ± 7, 6 ± 8Continuity
(b) Right Side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF±No continuity
UP3 ± 8, 6 ± 7Continuity
DOWN3 ± 7, 6 ± 8Continuity
LEFT2 ± 8, 6 ± 8Continuity
RIGHT2 ± 7, 6 ± 8Continuity
If continuity is not as specified, replace the switch.
2. w/ Retract Mirror only:
(a) Left Side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF±No continuity
UP4 ± 8, 6 ± 7Continuity
DOWN4 ± 7, 6 ± 8Continuity
LEFT5 ± 8, 6 ± 7Continuity
RIGHT5 ± 7, 6 ± 8Continuity
(b) Right side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF±No continuity
UP3 ± 8, 6 ± 7Continuity
DOWN3 ± 7, 6 ± 8Continuity
LEFT5 ± 8, 6 ± 7Continuity
RIGHT5 ± 7, 6 ± 8Continuity
If continuity is not as specified, replace the switch.

I28508
I18584
45
BE±116
± BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
3520 Author: Date:
2005 SEQUOIA (RM1146U)
(c) INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
DRIVE7 ± 9, 8 ± 10Continuity
RETRACT7 ± 10, 8 ± 9Continuity
If continuity is not as specified, replace the switch.
3. w/o Retract Mirror and Driving Position Memory:
(a) Left Side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF1 ± 210 kW or higher
UP2 ± 3100 W
DOWN2 ± 3470 W
LEFT2 ± 3800 W
RIGHT2 ± 3250 W
(b) Right Side:
INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF1 ± 210 kW or higher
UP2 ± 3100 W
DOWN2 ± 3470 W
LEFT2 ± 3800 W
RIGHT2 ± 3250 W
If continuity is not as specified, replace the switch.
(c) INSPECT MIRROR SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
DRIVE4 ± 7, 6 ± 8Continuity
RETRACT4 ± 8, 6 ± 7Continuity
4. w/ Retract Mirror only:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
4 and the negative (±) lead to terminal 5. Check that the
mirror turns leftward.

I18585
45
I18586
56
I18587
56
I24873
1
3
I24874
13
± BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
BE±117
3521 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Reverse the polarity and check that the mirror turns right-
ward.
(c) Connect the positive (+) lead from the battery to terminal
6 and the negative (±) lead to terminal 5. Check that the
mirror turns upward.
(d) Reverse the polarity and check that the mirror turns down-
ward.
If operation is not as specified, replace the mirror assembly.
5. w/o Retract Mirror and Driving Position Memory:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
3 and the negative (±) lead to terminal 1. Check that the
mirror turns leftward.
(b) Reverse the polarity and check that the mirror turns right-
ward.

I24875
1
2
I24876
1
2
I28510
7
8
I28511
7
8
I28512
8
9
BE±118
± BODY ELECTRICALPOWER MIRROR CONTROL SYSTEM
3522 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Connect the positive (+) lead from the battery to terminal
2 and the negative (±) lead to terminal 1. Check that the
mirror turns upward.
(d) Reverse the polarity and check that the mirror turns down-
ward.
If operation is not as specified, replace the mirror assembly.
6. w/ Retract Mirror and Driving Position Memory:
INSPECT MIRROR MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
7 and the negative (±) lead to terminal 8. Check that the
mirror turns upward.
(b) Reverse the polarity and check that the mirror turns down-
ward.
(c) Connect the positive (+) lead from the battery to terminal
8 and the negative (±) lead to terminal 9. Check that the
mirror turns leftward.