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" thoroug ...
Other materials:
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC ...
Sound Signal Circuit between Video Terminal and Television Display
DESCRIPTION
This is the sound signal circuit from the video (video adapter) terminal to
the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO
TERMINAL)
Disconnect the connectors from the video (vide ...
Illumination Circuit
DESCRIPTION
The Multiplex network body ECU controls illumination light as shown in the
chart below.
Room light assembly (Interior light, luggage component light) and
courtesy light with DOOR position
Map light assembly (Personal light)
Transponder key amplifier (Ignition ke ...
