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:
Correct driving posture
Adjust the angle of the seatback so that you are sitting straight up and
so that you do not have to lean forward to steer.
Adjust the seat so that you can depress the pedals fully and so that
your arms bend slightly at the elbow when gripping the steering wheel.
Lock the head rest ...
Drive information
Items displayed can be switched
by pressing the “DISP” switch.
Current fuel economy
Displays the current rate of fuel consumption.
Use the displayed current fuel consumption as a reference.
Average fuel economy
Displays the average fuel consumption since the function was reset
...
Inspection
1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY OPERATION
(a) Apply the parking brake and turn the ignition switch
to the ON position.
(b) Depress the brake pedal and check that the engine
starts only when the shift lever is in the N or P
position and the engine does not start when the shift ...
