Toyota Sienna Service Manual: Air fuel ratio sensor (for 2wd)

Installation

1. INSTALL VENTILATION VALVE (a) Install the ventilation valve. (1) Apply adhesive to 2 or 3 threads. Adhesive: Part No. 08833-00070, Three Bond 1324 or equivalent (2) Install the vent ...

On-vehicle inspection

HINT: The type of ignition switch on this model differs according to the specifications of the vehicle. For the expressions used in this section, refer to the "EXPRESSIONS OF IGNITION SWITCH& ...

Other materials:

Removal
HINT: Replace the RH side by the same procedures as the LH side. 1. REMOVE REAR WHEEL 2. REMOVE REAR DISC BRAKE CALIPER ASSEMBLY LH (a) Removing the 2 bolts, separate the rear disc brake caliper assembly LH for disc rear brake type. NOTICE: Using a string and so on, hang down the disc brake ...

Hydraulic test
1. Perform hydraulic test (a) Measure the line pressure. NOTICE: Perform the test at the normal operating ATF (Automatic Transmission Fluid) temperature: 50 to 80°C (122 to 176°F). The line pressure test should always be carried out in pairs. One technician should ...

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 ...