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:
Open in One Side of CAN Branch Line
DESCRIPTION
If 2 or more ECUs and/or sensors do not appear on the intelligent tester
"Communication Bus Check"
screen, one side of the CAN branch wire may be open. (One side of the CAN-H
[branch wire] / CAN-L
[branch wire] of the ECU and/or sensor is open.)
Symptom
...
Power back door drive unit
INSPECTION
1. INSPECT POWER BACK DOOR DRIVE UNIT
Remove the unit.
Apply battery voltage to the terminals and check the
motor operation.
Standard
If the result is not as specified, replace the drive
unit.
Check the resistance of the clutch terminals.
Resistance
If th ...
System description
1. SYSTEM DESCRIPTION
(a) The ECT (Electronic controlled automatic
transmission/transaxle) is an automatic
transmission/transaxle that electronically controls
shift timing using the ECM. The ECM detects
electrical signals that indicate engine and driving
conditions, and controls the shift poin ...
