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
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DESCRIPTION
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circuit, diagnosis circuit ...
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DESCRIPTION
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TWR*
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DESCRIPTION
DTC No.
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DTC No.
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