DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Main relay voltage is 8-18 volts.
- Engine speed is more than 40 RPM.
DTC sets when cooling fan relay 1 voltage is 2.6-4.6 volts (ECM pull-up voltage indicating an open circuit) for more than 0.5 second when cooling fan relay 1 is commanded off.