FixVault
Home
›
Cadillac
›
1995
›
Eldorado Base
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/Codes
›
Diagnostic Parameters
›
Pcm Specific Input Codes
›
PO20: A/C Compressor Clutch Relay
PO20: A/C Compressor Clutch Relay
A/C clutch control relay will cycle on and off about every 4 seconds.