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.
Seat position sensor
COMPONENTS
...
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting th ...
Other materials:
Passenger Airbag ON/OFF Indicator Circuit
Malfunction
DTC B1152/28 Passenger Airbag ON/OFF Indicator Circuit
Malfunction
DESCRIPTION
The passenger airbag ON/OFF indicator circuit consists of the center airbag
sensor assembly and
passenger airbag ON/OFF indicator.
This circuit indicates the operation condition of the front passenger airbag,
t ...
Rear Blower Motor Circuit
DESCRIPTION
Power to the rear blower motor is supplied from the battery via the RR A/C
relay.
The rear blower motor speed level varies between 0 and 31 based on the voltage
difference measured
between the terminals of the motor.
The voltage difference measured between the terminals of th ...
Short in Front Passenger Side Squib 2nd Step
Circuit
DTC B1185/57 Short in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
...
