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.
Steering pad
Components
...
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:
Services
General information
If the vehicle has a wireless network connection,
this enables data to be exchanged between the
vehicle and other systems. The wireless network
connection is realized via an in-vehicle transmitter
and receiver unit or via personal mobile devices
brought into the vehicle, for inst ...
Installation
1. INSTALL THROTTLE BODY
Install a new throttle body gasket to the intake air
surge tank.
Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
Connect the 2 water by-pass hoses.
Connect the throttle body connector and clamp.
2. ...
Speedometer Malfunction
DESCRIPTION
Factors that affect the indicated vehicle speed include tire size, tire
inflation, and tire wear. The speed indicated on the speedometer has an
allowable margin of error. This can be tested using a speedometer tester
(calibrated chassis dynamometer). For details about testing and ...
