Diagnostic procedure
STEP
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INSPECTION
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ACTION
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---|---|---|---|
1
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INSPECT DRIVER-SIDE SIDE AIR BAG SENSOR CONNECTOR
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Disconnect the driver-side side air bag sensor connector.
• Is there any malfunction of the driver-side side air bag sensor connector?
|
Yes
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Replace the air bag wiring harness.
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No
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Go to the next step.
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||
2
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INSPECT WIRING HARNESS BETWEEN DRIVER-SIDE SIDE AIR BAG SENSOR AND SAS CONTROL MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Disconnect the driver and passenger-side front seat connectors.
• Disconnect the driver and passenger-side curtain air bag module connectors.
• Remove the console.
• Disconnect the SAS control module connector.
• Disconnect the driver-side side air bag sensor connector.
• Connect the negative battery cable.
• Inspect the wiring harnesses between SAS control module terminal 2O and driver-side side air bag sensor terminal A, SAS control module terminal 2S and driver-side side air bag sensor terminal B for the following:
• Is the wiring harness normal?
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Yes
|
Replace the driver-side side air bag sensor, then go to the next step.
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No
|
Replace the air bag wiring harness.
|
||
3
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INSPECT SAS CONTROL MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Connect the SAS control module connector.
• Connect the driver-side side air bag sensor connector.
• Are DTCs B104B, B104E, B1051 and/or U2017 indicated?
|
Yes
|
Replace the SAS control module.
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No
|
DTC troubleshooting completed.
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