Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT REAR AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
2. INSPECT REAR AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
- Perform a diagnostic system check.
- When the quarter panel of the vehicle or its area is damaged, check if there is any damage to the rear airbag sensor. If there are any defects as mentioned below, replace the rear 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 REAR AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)
- Replace the rear airbag sensor.
CAUTION: Be sure to follow the correct removal and installation procedures.
HINT: The rear airbag sensor on the impacted side should be replaced after the curtain shield airbag assembly has deployed.
Rear 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:
Door Courtesy Switch Circuit
DESCRIPTION
The Multiplex network body ECU detects the condition of the door courtesy
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch to ON and push the intelligent
tester ...
Description of initialization
(a) Perform initialization in the following cases:
Before delivery of a new vehicle.
After replacement of the tire pressure warning
ECU*.
After replacement of the tire pressure warning
valve and transmitter.
Specified tire pressure changes depending on
the size or type of the tire.
...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch to the
radio receiver.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch.
If there is a short in the circuit, the same condition as that when the switch
is ...
