Radiator Fan Control System Inspection
Keep hands, tools, and clothing away from engine cooling fan to help prevent personal injury. This fan is electric and can come on whether or not the engine is running. The fan can start automatically in response to the ECT sensor with the ignition switch in the “ON” position.
Check that radiator cooling fan operates at low and high speed corresponding to the following coolant temperature.
If radiator fan fails to operate properly, check radiator fan relays, radiator cooling fan motor, electrical circuit and ECT sensor.
Radiator cooling fan operating
Low speed ON 93 °C (199 °F) or higher
OFF Below 90 °C (194 °F)
High speed ON 96 °C (205 °F) or higher
OFF Below 93 °C (199 °F)