Signal Faulty. Permanent Fault

Signal faulty. Permanent fault

Checking connector and wire








- Ignition off.
- Disconnect seat-belt buckle connector.
- Check the seat-belt buckle connector visually for contact resistance and oxidation Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
- Ignition on.

Hint: Using a narrow measuring probe, measure on the connector pin to check the voltage.

Check that there is supply voltage on connector #1.
Do the necessary corrective action.

Additional information
- To access/replace seat-belt buckle, see Service and Repair.









Select Continue when fault has been rectified.

Continue - Checking the component

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Checking the component




- Ignition off.
Check seat-belt buckle connector #1 and #2 for a short circuit to ground, as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Connect an ohmmeter between #1 and #2 on the seat-belt buckle and check that the resistance is approximately 20 M( when the seat-belt buckle is open.
Do the necessary corrective action.

Additional information
- To access/replace seat-belt buckle, see Service and Repair.













Select Continue when fault has been rectified.

Continue - Checking connector and wire

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Checking connector and wire








- Ignition off.
- Connect the seat-belt buckle connector.
- Check seat-belt buckle connector #2 for a short circuit to ground, as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
- Disconnect the control unit connector.
- Ignition on.
Connect a voltmeter to connector #8 of the control unit and check that there is power when the seat-belt buckle is locked.
Do the necessary corrective action.

Additional information
- To access/replace connector, see Service and Repair.









Select Continue when fault has been rectified.

Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the status of the diagnostic trouble code (DTC) has changed to intermittent.





Does the status change?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Trouble-shooting information

VERIFIED - FAULT FOUND

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Trouble-shooting information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking connector and wire

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