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Idle Speed Control Monitoring
13 Idle Speed Control MonitoringIdle speed control rationality diagnosis
General Description:
This diagnosis detects the stability of the idle speed. If the commanded idle speed and the actual idle speed is not within a calibratable value, above or below commanded, in spite of an activated idle speed controller the idle speed is considered to be out of range. If the deviation is > threshold, the idle speed controller monitor would detect a fault.
If the above failure conditions are detected, the appropriate DTC will be stored.