Engine Main Relay Inspection

INSPECTION





1. Remove relay box cover.
2. Remove engine main relay. (Marking: ENGINE MAIN)





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





4. Inspect engine main relay operation.
a. Apply battery positive voltage across terminals 3 and 5.
b. Using an ohmmeter, check that there is no continuity between terminals 2 and 4.
If there is continuity replace the relay.
c. Check that there is continuity between terminals 1 and 2.
If there is no continuity replace the relay.
5. Reinstall engine main relay.
6. Reinstall relay box cover.