Toyota Sienna Service Manual: 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.
Front airbag sensor
COMPONENTS
...
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" thorough ...
Other materials:
Problem symptoms table
HINT:
If a normal code is displayed during the diagnostic trouble
code check although the trouble still occurs, check the
electrical circuits for each symptom in the order given in
the charts on the following pages and proceed to the page
given for troubleshooting.
The Matrix Chart is ...
Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU
Disconnect the G4 ECU connector.
Measure the voltage between the specified
terminals on the wire harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Measure the resistance between ...
Shift position purpose
*1: Shifting to the D position allows the system to select a gear suitable
for
the driving conditions. Setting the shift lever to the D position is recommended
for normal driving.
*2: Selecting shift ranges using S mode restricts the upper limit of the
possible
gear ranges, controls en ...