Set Conditions

Set Condition:
The Powertrain Control Module (PCM) requests the Totally Integrated Power Module (TIPM) to turn on the radiator fan and it is not operating. The TIPM detects an open in the coil control circuit of both the radiator fan high relay (20) and radiator fan high/low control relay (19). One trip fault. Three good trips to turn off the Malfunction Indicator Lamp (MIL).