Toyota Sienna Service Manual: On-vehicle inspection

Toyota Sienna Service Manual / Supplemental restraint system / Front airbag sensor / On-vehicle inspection

1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)

Perform a diagnostic system check.

2. INSPECT FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

Perform a diagnostic system check.
When the front bumper of the vehicle or its area is damaged, check if there is any damage to the front airbag sensor. If any of the front airbag sensors have defects as mentioned below, replace it with a new one:

Cracks, dents or chips on the sensor housing.
Cracks or other damage to the connector.
Peeling off of the label or damage to the serial number.

CAUTION: Be sure to follow the correct removal and installation procedures.

3. INSPECT FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

Replace the front airbag sensor.

CAUTION: Be sure to follow the correct removal and installation procedures.

HINT: The front airbag sensor on the impacted side should be replaced after the steering pad or front passenger airbag assembly has deployed.

Removal

HINT: Use the same procedures for the RH side and LH side. The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroug ...

Other materials:

Problem symptoms table
WINDOW DEFOGGER SYSTEM Symptom Suspected area w/ Deicer: Front window deicer does not operate. (indicator light ON) FR DEF fuse Front window deicer relay Front window deicer wire Wire harness w/ deicer: Front window deicer ...

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 ...

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 ...