Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 1993 >> Allante >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Self-Diagnostic System >> Pcm Input Displays >> PI87: Low Coolant Level Switch

PI87: Low Coolant Level Switch

Low Coolant Level Switch. This input comes to the PCM at pin "1B16". PI87 should be "HI" with sufficient coolant in the coolant overflow bottle and "LO" with low coolant level.

scientia non olet · About Mike's Workshop Manuals