Operation CHARM: Car repair manuals for everyone.

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.
For a more detailed description of alarm causes see Description of On-Board Diagnostics.

- Read off alarm cause.

Remedy the relevant circuit as necessary

After performing this procedure, see Verification. Verification