Operation CHARM: Car repair manuals for everyone.

Checking Alarm Cause






Checking alarm cause

Checking alarm cause




- Ignition on.
Read off the alarm cause to determine the cause of the false alarm. Then fault-trace the circuit for the relevant alarm input.
Disconnect the Volvo Scan Tool (ST) from the VIDA station.




- Read off alarm cause.
For a more detailed description of alarm causes, see Diagnostic functions Diagnostic Functions
Remedy the relevant circuit as necessary. Then select "Continue".

Continue - Verification

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Verification

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








- Ignition off.
- Reconnect connectors, reinstall components
Carry out a function check of the alarm by activating the alarm and check that there are no false alarms.

Does the false alarm recur?

Yes - Fault-tracing information

No - FAULT FOUND

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Fault-tracing 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 alarm cause

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