Radiator Cooling Fan Motor Relay: Testing and Inspection
INSPECTION1. COOLING FAN RELAY
a. Inspect the cooling fan relay continuity.
1 Using an ohmmeter, check that there is continuity between terminals 1 and 2.
If there is no continuity, replace the relay.
2 Check that there is no continuity between terminals 3 and 5.
If there is continuity, replace the relay.
3 Apply battery voltage across terminals 1 and 2.
4 Using an ohmmeter, check that there is continuity between terminals 3 and 5.
If there is no continuity, replace the relay.