The monitor will execute when all entry conditions have been satisfied.
The diagnostic functions by monitoring the engine speed. If the actual engine speed is more than 100 RPM below the target engine speed, then a counter is started. Once this counter exceeds the failure time limit a failure judgement is made for idle speed lower than expected. If the actual engine speed is more than 200 RPM above the target engine speed a counter is started. Once this counter exceeds the failure time limit a failure judgement is made for idle speed higher than expected.
