Toyota Sienna Service Manual: Front power seat lumbar switch

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 conne ...

Lumbar support adjuster assembly

INSPECTION 1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY  Check operation of the lumbar support adjuster motor.  Check if the lumbar support adjuster moves smoothly when the ...

Other materials:

Throttle Actuator Control System
DESCRIPTION The throttle actuator is operated by the ECM, and opens and closes the throttle valve using the gears. The opening angle of the throttle valve is detected by the Throttle Position (TP) sensor, which is mounted on the throttle body. The TP sensor provides feedback to the ECM ...

Display check mode
HINT:  This mode checks the color display on the display.  Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. 1. ENTER DIAGNOSTIC MODE 2. D ...

Rear door lock
INSPECTION 1. INSPECT REAR DOOR LOCK ACTUATOR ASSEMBLY LH  Apply battery voltage to the door lock and check operation of the motor. OK HINT: If the result is not as specified, replace the door lock assembly.  Measure the resistance according to the value(s) in the ...