Toyota Sienna Service Manual: On-vehicle inspection

Toyota Sienna Service Manual / Engine / 2Gr-fe intake / Intake air control valve / On-vehicle inspection

1. Inspect intake air surge tank assembly

(A) inspection procedure when applying voltage between the terminals:

Inspect intake air surge tank assembly

(1) Disconnect the connector from the intake air control valve.

(2) Apply battery voltage between terminals 1 (-) and 2 (+) of the intake air control valve. Check that a clicking sound is heard from the intake air control valve.

If the result is not as specified, replace the intake air surge tank.

Removal

1. Remove no. 2 Air cleaner inlet (see page em- 28) 2. Remove air cleaner cap sub-assembly (a) Disconnect the 3 vacuum hoses. (b) Loosen the bolt, disconnect the 2 connectors, and remove ...

Other materials:

Installation
HINT: Install the RH side by the same procedure as the LH side. 1. INSTALL FRONT DISC BRAKE CYLINDER SLIDE BUSH (a) Apply the lithium soap base glycol grease to a new front disc brake cylinder slide bush. (b) Install the cylinder slide bush to the bottom side of the front disc brake cyli ...

ACIS Control Circuit
DESCRIPTION This circuit opens and closes the Intake Air Control Valve (IACV) in response to changes in the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System). When the engine speed is between 0 and 4450 rpm and the throttle valve opening angl ...

Blower Motor Circuit
DESCRIPTION The blower motor is operated by signals from the A/C amplifier. Blower motor speed signals are transmitted by changes in the Duty Ratio. Duty Ratio The duty ratio is the ratio of the period of continuity in one cycle. For example, if A is the period of continuity in one cycl ...