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 BUCKLE SWITCH CIRCUIT
• Using the WDS or equivalent, verify the following PID/DATA monitor. (See PID/DATA MONITOR TABLE.)
• Is the driver-side front buckle switch normal?
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Yes
|
[Present malfunction diagnosis]
• Replace the SAS unit.
[Past malfunction diagnosis]
• DTC troubleshooting completed.
|
No
|
Go to the next step.
|
||
2
|
INSPECT DRIVER-SIDE BUCKLE MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Remove the driver-side front buckle.
• Inspect the driver-side front buckle switch.
• Is the driver-side front buckle switch normal?
|
Yes
|
Go to the next step.
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No
|
Replace the driver-side front buckle.
|
||
3
|
INSPECT WIRING HARNESS BETWEEN DRIVER-SIDE BUCKLE SWITCH AND GROUND
• Inspect the wiring harness between driver-side front buckle switch terminal H (manual seat) or terminal C (power seat) and ground for the following:
• Is the wiring harness normal?
|
Yes
|
Go to the next step.
|
No
|
Replace the wiring harness.
|
||
4
|
INSPECT WIRING HARNESS BETWEEN DRIVER-SIDE BUCKLE SWITCH AND SAS UNIT
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Remove the column cover.
• Disconnect the clock spring connector.
• Remove the glove compartment.
• Disconnect the passenger-side air bag module connector.
• Disconnect the driver and passenger-side side air bag module connectors.
• Disconnect the driver and passenger-side curtain air bag module connectors.
• Remove the rear door lower trim.
• Disconnect the driver and passenger-side pre-tensioner seat belt connectors.
• Partially peel back the floor covering.
• Disconnect the SAS unit connector.
• Inspect the wiring harness between SAS unit terminal 2T and driver-side front buckle switch terminal G (manual seat) or terminal D (power seat) for the following:
• Is the wiring harness normal?
|
Yes
|
[Present malfunction diagnosis]
• Replace the SAS unit.
[Past malfunction diagnosis]
• DTC troubleshooting completed.
|
No
|
Replace the wiring harness.
|