Radiator Cooling Fan Motor Relay: Testing and Inspection

INSPECT COOLING FAN RELAY ("FAN NO.1")

A. Inspect relay continuity





(a) Using an ohmmeter, check that there is continuity between terminals 1 and 2.
(b) Check that there is continuity between terminals 3 and 4.

If continuity is not as specified, replace the relay.


B. Inspect relay operation





(a) Apply battery voltage across terminal 1 and 2.
(b) Using an ohmmeter, check that there is no continuity between terminals 3 and 4.

If operation is not as specified, replace the relay.