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:

Abnormal Temperature Inside ID1 Tire
DESCRIPTION Each tire pressure warning valve and transmitter measures the internal temperature of its tire as well as tire pressure, and transmits the information to the tire pressure warning ECU along with the transmitter ID. If the measured temperature is out of the specified range, t ...

Throttle / Pedal Position Sensor / Switch "A"
HINT: These DTCs relate to the Throttle Position (TP) sensor. DESCRIPTION HINT: This ETC (Electrical Throttle Control System) does not use a throttle cable. The Throttle Position (TP) sensor is mounted on the throttle body, and detects the opening angle of the throttle valve. This sens ...

On-vehicle inspection
1. CHECK POWER MIRROR SWITCH OPERATION  Remote control The mirror adjust switch can control the adjustment axis of the mirror surface.  Reverse-linked This function tilts the mirror surface downward to improve the visibility when driving in reverse, provided that all the co ...