Main Relay

INSPECTION





1. REMOVE RELAY BOX COVER
2. REMOVE RADIATOR FAN MAIN RELAY (Marking: RAD FAN MAIN)
3. INSPECT RADIATOR FAN MAIN RELAY





a. Inspect the relay continuity.
1) Using an ohmmeter, check that there is continuity between terminals 3 and 5.
If there is no continuity, replace the relay.
2) Check that there is continuity between terminals 2 and 4.
If there is no continuity, replace the relay.
3) Check that there is no continuity between terminals 1 and 2.
If there is continuity, replace the relay.





b. Inspect the relay operation.
1) Apply battery positive voltage across terminals 3 and 5.
2) Using an ohmmeter, check that there is no continuity between terminals 2 and 4.
If there is continuity, replace the relay.
3) Check that there is continuity between terminals 1 and 2.
If there is no continuity, replace the relay.
4. REINSTALL RADIATOR FAN MAIN RELAY
5. REINSTALL RELAY BOX COVER