Toyota Sienna Service Manual: Front seat frame with adjuster
Inspection
1. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY LH
- Check operation of the seat frame (slide motor).
- Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (front vertical motor).
- Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (lifter motor).
- Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (reclining motor).
- Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
2. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY RH
- Check operation of the seat frame (slide motor).
- Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (reclining motor).
- Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
Power seat switch
Inspection
1. INSPECT FRONT POWER SEAT SWITCH
Inspect the driver side power seat switch.
Measure the resistance according to the
value(s) in the table below.
Standard resista ...
Front power seat lumbar switch
Inspection
1. INSPECT FRONT POWER SEAT LUMBAR SWITCH
Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the result is not as specified ...
Other materials:
Automatic transaxle fluid
On-vehicle inspection
1. CHECK FLUID LEVEL
HINT:
Drive the vehicle so that the engine and transaxle are at
normal operating temperature.
Fluid temperature:
70 to 80°C (158 to 176°F)
(a) Park the vehicle on a level surface and set the
parking brake.
(b) With the engine idling and the ...
Rear Occupant Classification Sensor LH Collision
Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1787 is output when the occupant classification ECU receives a collision
detection signal sent by
the rear occupant classification sensor LH if an accident occurs.
DTC B1787 is also output when the front s ...
Removal
1. Remove v-bank cover sub-assembly (see
page em-28)
2. Remove front wheel rh
3. Remove no. 1 Engine under cover (see page
em-26)
4. Remove front fender apron seal rh (see
page em-26)
5. Drain engine coolant (see page co-6)
6. Remove no. 2 Air cleaner inlet (see page em-
28)
7. Remove batt ...
