Toyota Sienna Service Manual: On-vehicle inspection

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

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

Perform a diagnostic system check.

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

Perform a diagnostic system check.
When the center pillar of the vehicle or its area is damaged, check if there is any damage to the side airbag sensor. If there are any defects as mentioned below, replace the side airbag sensor 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 SIDE AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

Replace the side airbag sensor.

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

HINT: The side airbag sensor on the impacted side should be replaced after the front seat side airbag assembly and curtain shield airbag assembly have 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:

Open in Curtain Shield Squib LH Circuit
DTC B1166/88 Open in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1166/88 is recorde ...

Symptom confirmation and diagnostic trouble code
HINT: The diagnostic system in the SIENNA has various functions. The first function is the Diagnostic Trouble Code (DTC) check. A DTC is a code stored in the ECU memory whenever a malfunction in the signal circuits to the ECU occurs. In a DTC check, a previous malfunction's DTC can be ...

Driving in vehicle-to-vehicle distance control mode
This mode employs a radar sensor to detect the presence of vehicles up to approximately 400 ft. (120 m) ahead, determines the current vehicle-to-vehicle following distance, and operates to maintain a suitable following distance from the vehicle ahead. Note that vehicle-to-vehicle distance will ...