Code Enable Criteria

Conditions for running DTC:

• Engine is running and 24X reference pulses are being received.

Conditions for setting DTC:

• Ratio of 24X reference pulses to 3X reference pulses received by PCM does not equal 8.
• Ratio of 24X reference pulses to camshaft position PCM input pulses received by PCM equals 48.
• Conditions are present for more than 10 seconds.