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Home >> Cadillac >> 1993 >> Allante >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Self-Diagnostic System >> Pcm Input Displays >> PI79: Park/Neutral

PI79: Park/Neutral

Transaxle Range Switch Park/Neutral Input. This input comes to the PCM at pin "2D9". PI79 should be "LO" when the transaxle is in Park or Neutral and "HI" when the transaxle is in Reverse or any drive gear.