Possible Causes
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Cavity
- Circuit reference O_T_CLG Fan demand
- Prioritized List of Possible Causes
- Electronic viscous engine cooling fan connector is disconnected, connector pin is backed out, connector pin corrosion
- Electronic viscous engine cooling fan - Wiring integrity short circuit to ground, short circuit to power, open circuit, high resistance
- Electronic viscous engine cooling fan
- Seized
- Mechanical failure