Toyota Sienna Service Manual: Steering pad

Trouble in Passenger Airbag ON / OFF Indicator

DESCRIPTION The occupant classification system detects the front passenger seat condition. It then informs a passenger of the front passenger airbag, the front seat side airbag RH and front seat ...

On-vehicle inspection

1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION) Perform a diagnostic system check. With the steering pad installed on the vehicle, perform a visual check. If there are any defe ...

Other materials:

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 battery is connected to the lumbar support adjuster motor connector terminal. OK If the r ...

ECU Power Source Circuit
DESCRIPTION This circuit provides power to operate the theft deterrent (warning) ECU. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (ECU-B) Remove the ECU-B fuse from the engine room J/B. Measure the resistance. Standard resistance: Below 1 Ω 2 CHECK INSTRUMENT PANEL ...

Freeze frame data
1. FREEZE FRAME DATA (a) Whenever a DTC is detected or the ABS operates, the skid control ECU stores the current vehicle (sensor) state as freeze frame data. The skid control ECU stores the number of times (maximum: 31) the ignition switch has been turned from OFF to the ON position since th ...