Pcm Code EO98, Park/Neutral To Drive/Reverse While Outside Of ISC Control Range: Action:

PCM will retard ignition timing and set Code EO98. No service message.

This test monitors idle speed and gear selection from Park or Neutral to Drive or Reverse when the throttle is in ISC speed range. If idle speed is greater than desired, PCM will retard spark advance and set the code.

Fig 1: PCM Code EO98, Schematic, Park/Neutral To Drive/Reverse While Outside Of ISC Control Range