Inspection
1. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY LH

OK

If the result is not as specified, replace the seat frame with adjuster.

OK

If the result is not as specified, replace the seat frame with adjuster.

OK

If the result is not as specified, replace the seat frame with adjuster.

OK

If the result is not as specified, replace the seat frame with adjuster.
2. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY RH

OK

If the result is not as specified, replace the seat frame with adjuster.

OK

If the result is not as specified, replace the seat frame with adjuster.
Power seat switch
Front power seat lumbar switchGeneral information
A large number of ECU controlled systems are used in the
SIENNA. In general, ECU controlled systems are considered
to be very intricate, requiring a high level of technical
knowledge to troubleshoot. However, most problem checking
procedures only involve inspecting the ECU controlled
system's c ...
Adjustment
1. VEHICLE PREPARATION FOR HEADLIGHT AIMING
ADJUSTMENT
Prepare the vehicle:
Ensure there is no damage or deformation to the
body around the headlights.
Fill the fuel tank.
Make sure that the oil is filled to the specified
level.
Make sure that the c ...
Inspection
1. INSPECT UNDERDRIVE PACK CLEARANCE
(a) Install the underdrive clutch to the transaxle case.
NOTICE:
Be careful not to damage the oil seal rings.
(b) Install a dial indicator as shown in the illustration.
(c) Measure the underdrive clutch pack clearance while
applying and releasing comp ...