Toyota Sienna Service Manual: 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 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)

- 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.
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:
Rear Occupant Classification Sensor LH Circuit
Malfunction
DTC B1782 Rear Occupant Classification Sensor LH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor LH circuit consists of the occupant
classification ECU and the rear
occupant classification sensor LH.
DTC B1782 is recorded when a malfunction is detected in the rear oc ...
Communication Error from ECM to Distance
Control ECU
DTC P1616 Communication Error from ECM to Distance
Control ECU
DTC U0100 Lost Communication with ECM/PCM "A"
DESCRIPTION
The ECM receives signals from each sensor and ECU, then sends signals such as
A/T signals, cruise
control operation signals, low speed operation signals, brake co ...
Preparation 2gr-fe engine mechanical
SST
RECOMMENDED TOOLS
EQUIPMENT
HINT:
Torx is registered trademark of Textron Inc.
SSM
...