Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- Even if the airbag was not deployed, check if there
is any damage to the seat position sensor.
If there are any defects as mentioned below, replace the seat position sensor with a new one:
- Cracks, dents or chips on the sensor housing.
- Cracks or other damage to the connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
12. REMOVE SEAT SLIDE POSITION SENSOR PROTECTOR
- Remove the seat slide position sensor protector from the seat position sensor.
13. REMOVE SEAT POSITION SENSOR
- Disconnect the connector from the seat position sensor.
- Using a "torx" socket wrench (T30), remove the "torx" screw and the seat position sensor.
Seat position sensor
COMPONENTS
...
Installation
1. INSTALL SEAT POSITION AIRBAG SENSOR
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the neg ...
Other materials:
System description
1. MULTIPLEX COMMUNICATION SYSTEM (BEAN)
The BEAN communication line is used to control the
combination meter, the A/C amplifier, the airbag
sensor assembly, the multiplex network body ECU,
the power slide door ECU LH, the power slide door
ECU RH, the power back door ECU, the seat
posi ...
Brake Switch "B" Circuit High
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling while
driving in lock-up condition when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ECM. Then
the ECM cancels the
operation of the lock-up clutch while ...
Installation
1. INSTALL OCCUPANT CLASSIFICATION ECU
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the negative battery
terminal, wait for at least 90 seconds before
starting the operation.
...
