Toyota Sienna Service Manual: Half Connection in Center Airbag Sensor Assembly Connectors
DTC B1135/24 Half Connection in Center Airbag Sensor Assembly Connectors
DESCRIPTION
The center airbag sensor assembly connector has a mechanism that electrically detects half connection.
The center airbag sensor assembly monitors the voltage applied to the disconnection detection pins and detects half connection.
DTC B1135/24 is recorded when the center airbag sensor assembly detects an open circuit in the electrical connection check mechanism of the airbag sensor connector or in the airbag sensor circuit.
INSPECTION PROCEDURE
1 CHECK CENTER AIRBAG SENSOR ASSEMBLY CONNECTOR
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Check the connection of the center airbag sensor assembly connectors.
OK: The connectors are connected.
HINT: When the connectors are not firmly connected, disconnect them once and reconnect them securely
2 CHECK CENTER AIRBAG SENSOR ASSEMBLY
- Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
- Turn the ignition switch to the ON position, and wait for at least 60 seconds.
- Clear the DTCs stored in memory.
- Turn the ignition switch to the LOCK position.
- Turn the ignition switch to the ON position, and wait for at least 60 seconds.
- Check the DTCs.
OK: DTC B1135/24 is not output.
HINT: Codes other than code B1135/24 may be output at this time, but they are not related to this check.
END
3 PERFORM VISUAL CHECK OF DISCONNECTION DETECTION PIN
- Turn the ignition switch to the LOCK position.
- Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
- Disconnect the connectors from the center airbag sensor assembly.
- Check the disconnection detection pin of the connector.
HINT: Compare one connector with the other 2 connectors.
OK: No deformation is identified.
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
Center Airbag Sensor Assembly Malfunction
DTC B1100/31 Center Airbag Sensor Assembly Malfunction
DESCRIPTION
The center airbag sensor assembly consists of the center airbag sensor
assembly, safing sensor, drive
circuit, diagnosis circuit ...
Side Airbag Sensor Assembly RH Circuit Malfunction
DTC B1140/32 Side Airbag Sensor Assembly RH Circuit Malfunction
DESCRIPTION
The side airbag sensor RH circuit consists of the center airbag sensor
assembly and side airbag sensor
RH.
If the ce ...
Other materials:
Installation
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. INSTALL SIDE AIRBAG SENSOR LH
Check that the ignition switch is off.
Check that the battery negative (-) terminal is
disconnected.
CAUTION:
Afte ...
Installing child restraints using a seat belt (child restraint lock
function belt)
Rear facing - Infant seat/convertible seat
Place the child restraint system
on the rear seat facing
the rear of the vehicle.
Run the seat belt through the
child restraint system and
insert the plate into the
buckle. Make sure that the
belt is not twisted.
Full ...
Back door lock
INSPECTION
1. INSPECT BACK DOOR LOCK ASSEMBLY (W/O
CLOSER)
Check operation of the door lock.
Using a screwdriver, push the latch in order to
put the back door lock in the locked condition
(full-latch position).
Connect the battery positive (+) lead to terminal ...
