Toyota Sienna Service Manual: Rear wheel alignment
ADJUSTMENT
NOTICE: For vehicles equipped with VSC, if wheel alignment has been adjusted, and if suspension or underbody components have been removed/installed or replaced, be sure to perform the following initialization procedure in order for the system to function normally: 1. Disconnect the negative battery terminal for more than 2 seconds.
2. Reconnect the negative battery terminal.
3. Perform zero point calibration of the yaw rate and acceleration sensor and test mode inspection.
HINT: (See page BC-70)
1. INSPECT TIRE
HINT: (See page TW-2)
2. MEASURE VEHICLE HEIGHT
NOTICE: Before inspecting the wheel alignment, adjust the vehicle height to the specified valve.
3. INSPECT TOE-IN
(a) Inspect the toe-in.
Toe-in
FF 
4WD 
HINT: If the toe-in is not within the specified value, inspect the suspension parts and replace them if necessary.
4. INSPECT CAMBER
(a) Install the camber-caster-kingpin gauge or position the vehicle on the wheel alignment tester.
(b) Inspect the camber.
Camber
FF 
4WD 
HINT: If the measured value is not within the specified value, inspect the suspension parts for damage and the wear and replace them if necessary because camber is not adjustable.
Front wheel alignment
Adjustment
NOTICE:
For vehicles equipped with VSC, if wheel alignment has
been adjusted, and if suspension or underbody
components have been removed/installed or replaced, be
sure to perform the ...
Front shock absorber with coil spring
COMPONENTS
...
Other materials:
Active head restraints
When the occupant’s lower back
presses against the seatback during
a rear-end collision, the head
restraint moves slightly forward
and upward to help reduce the
risk of whiplash on the seat occupant
Active head restraints
Even small forces applied to the seatback may cause the head rest ...
Back-up Power Source Circuit
DESCRIPTION
This is the back-up power source for the A/C amplifier. Power is supplied
even when the ignition switch is
off and is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
(a) Remove the ECU-B fuse from the engine room juncti ...
Mute Signal Circuit between Radio Receiver and Stereo Component
Amplifier
DESCRIPTION
This circuit sends a signal to the stereo component amplifier to mute noise.
Because of that, the noise
produced by changing the sound source ceases.
If there is an open in the circuit, noise can be heard from the speakers when
changing the sound source.
If there is a short i ...
