Radiator Fan Control Relay Circuit

So be sure to test the relay as well as its power supply and ground connections.

Radiator fan control relay circuit.

What does that mean. In the painless performance electric fan relay kit we got from speedway motors a circuit breaker is supplied if you wanted to safely get power directly from the battery. Problems in the cooling fan circuit. The typical electric cooling fan circuit includes a temperature sensor a relay a control module and the fan motor.

The relay is the component that fails most often. Video on how to diagnose dtc p1491 radiator fan control relay circuit malfunction on a 2003 jeep liberty sport. With the key on or engine running system voltage over 10v fan relay commanded on the powertrain control module detects a shorted or open condition in the relay control circuit. Test the fan relay resistance it should be 30 70 ohms.

Cooling fan relay 1 control circuit. If the temperature reaches more than 223 f value depends on make model or engine of the vehicle the pcm automatically command the cooling fan relay to turn on its fan by supplying the ground to the relay. However specific troubleshooting steps will vary depending on the vehicle. We opted to tap into our.

Should there any problem within the circuit that will cause the fan to fail the engine will heat up causing it to overheat.