Toyota Sienna Service Manual: Power steering system

Power steering

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Precaution

1. Handling precautions on steering system (a) Care must be taken when replacing parts. Incorrect replacement could affect the performance of the steering system and result in a driving hazard. 2. ...

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 ...

On-vehicle inspection
1. INSPECT CAMSHAFT TIMING CONTROL VALVE ASSEMBLY  Connect the intelligent tester to the DLC3.  Turn the ignition switch to the ON position.  Start the engine and warm it up.  Select the intelligent tester from the ACTIVE TEST menu.  Check the engine speed ...

Active Control Engine Mount System
DESCRIPTION LOCATION The Active Control Engine Mount (ACM) system decreases engine vibration at engine idling using the ACM VSV. The VSV is controlled by a pulse signal transmitted to the VSV from the ECM. The frequency of this pulse signal is matched to the engine speed to decrease engine ...