P0480-Cooling Fan Control Circuit: Notes

Fig 1: Radiator Fan Control Circuit Schematic

Courtesy of CHRYSLER LLC

1. When Monitored  : With the engine running.
2. Set Condition  : When Engine Coolant temperature is less than 70°C (158°F) and the Powertrain Control Module (PCM) senses voltage greater than 2.5 volts on the Radiator Fan Control circuit or less than 2.0 volts above 85°C (185°F).

For a complete Powertrain Control Module Circuit Diagram, refer to SCHEMATICS AND DIAGRAMS .