Toyota Sienna Service Manual: On-vehicle inspection

Toyota Sienna Service Manual / Supplemental restraint system / Steering pad / On-vehicle inspection

1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION)

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 defects as mentioned below, replace the steering pad with a new one: Cuts, minute cracks or marked discoloration on the steering pad top surface or in the grooved portion.

2. INSPECT STEERING PAD (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

INSPECT STEERING PAD (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

Perform a diagnostic system check.
With the steering pad removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the steering pad or steering wheel assembly with a new one:

Cuts, minute cracks or marked discoloration on the steering pad top surface or in the grooved portion.
Cracks or other damage to the connectors.
Deformation of the steering wheel assembly.
Deformation of the horn button contact plate of the steering pad.
There should be no interference between the steering pad and steering wheel assembly, and the clearance should be uniform all the way around when the new steering pad is installed on the steering wheel assembly.

CAUTION: Be sure to follow the correct removal and installation procedures.

Removal

1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting th ...

Other materials:

Inspection
1. INSPECT SHOCK ABSORBER ASSEMBLY FRONT LH (a) Compress and extend the shock absorber rod and check that there is no unusual resistance or unusual sound during operation. If there is any abnormality, replace the shock absorber assembly front LH with a new one. NOTICE: When disposing of ...

Removal
CAUTION: Wear safety gloves, because the sharp surfaces of the seatback frame and seat adjuster may injure your hand. Work must be started more than 90 seconds after the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from ...

Knock Sensor Circuit Low Input/ Knock Sensor Circuit High Input
DTC P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) DTC P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) DTC P0332 Knock Sensor 2 Circuit Low Input (Bank 2) DTC P0333 Knock Sensor 2 Circuit High Input (Bank 2) DESCRIPTION A flat type knock sensor (non-resona ...