Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 19 pscsy insp
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BE-99
BODY ELECTRICAL - POWER SEAT CONTROL SYSTEM
BE1ZN-01
Lifter Up
INSPECTION
1. INSPECT DRIVER'S SEAT SWITCH CONTINUITY
Slide switch:
Switch position Tester connection Specified condition
FRONT 2 - 11, 4 - 7 Continuity
OFF 4 - 11, 4 - 7 Continuity
Slide Down
Front Rear BACK 2 - 7, 4 - 11 Continuity
Reclining Left switch:
Switch position Tester connection Specified condition
UP 2 - 5, 4 - 8 Continuity
Forward Rear OFF 4 - 5, 4 - 8 Continuity
DOWN 2 - 8, 4 - 5 Continuity
Reclining switch:
Switch position Tester connection Specified condition
FORWARD 2 - 12, 4 - 6 Continuity
OFF 4 - 12, 4 - 6 Continuity
N21911 REAR 2 - 6, 4 - 12 Continuity
If continuity is not as specified, replace the switch.
2. INSPECT SLIDE MOTOR OPERATION
(a) (b)
(a) Connect the positive (+) lead from the battery to terminal
3 and the negative (-) lead to terminal 2, check that the
3 2 3 2 motor turns counterclockwise.
(b) Reverse the polarity, check that the motor turns clock-
wise.
REAR FRONT If operation is not as specified, replace the seat adjuster.
I21514
3. INSPECT LIFTER MOTOR OPERATION
(a) (b)
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 4, check that the
motor turns counterclockwise.
1 1
(b) Reverse the polarity, check that the motor turns clock-
wise.
4 4 If operation is not as specified, replace the seat adjuster.
DOWN UP
I21515
2001 SIENNA (RM787U)
Author : Date : 1617
BE-100
BODY ELECTRICAL - POWER SEAT CONTROL SYSTEM
4. OPERATION CHECK FOR PTC IN POWER SEAT MO-
TOR
NOTICE:
Check should be coulducted with the power seat motor at-
tached to the adjuster.
(a) Slide the seat as much as to the front or the back,and to
the top bottom with the power seat switch.
Wait for about 60 secondes.
I14717 (b) Operate the power seat switch to the same directions and
check the time it takes to shut-off the electric current (Mo-
tor opretion sound stops.).
Standard time to shut-off; about 4-40 secondes.
(c) Wait for about 60 seconds after finishing the shut-off
chesk,then oparate the power seat switch to the opposite
directions and make sure that the power seat motor func-
tions.
If operation is not as specified, replace the seat adjuster.
5. INSPECT RECLINING MOTOR PTC THERMISTOR OP-
ERATION
(a) Connect the positive (+) lead from the battery to terminal
6 5 6 5 5 and the negative (-) lead to the terminal 6, check that
the motor turns counterclockwise.
(b) Reverse the polarity, check that the motor turns clock-
wise.
R E A R- F O R-
WARD WARD If operation is not as specified, replace the seat adjuster.
I21516
2001 SIENNA (RM787U)
Author : Date : 1618
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