DTC P0481: A/C Condenser Fan Control Circuit Malfunction: Description

A/C condenser fan is turned ON and OFF by A/C condenser fan relay. Relay is controlled by the Engine Control Module (ECM). A/C condenser fan is turned ON when ECM outputs A/C ON signal to A/C control module (amplifier), or when engine coolant temperature is 230°F (110°C) or more.