Circuit Opening Relay

ON-VEHICLE INSPECTION

1. REMOVE RELAY BOX COVER
2. REMOVE CIRCUIT OPENING RELAY
3. INSPECT CIRCUIT OPENING RELAY CONTINUITY




a. Using an ohmmeter, check that there is continuity between terminals 1 and 2.

If there is no continuity, replace the relay.

b. Check that there is no continuity between terminals 3 and 5.

If there is continuity, replace the relay.

4. INSPECT CIRCUIT OPENING RELAY OPERATION




a. Apply battery positive voltage across terminals 1 and 2.
b. Using an ohmmeter, check that there is continuity between terminals 3 and 5.

If there is no continuity, replace the relay.

5. REINSTALL CIRCUIT OPENING RELAY
6. REINSTALL RELAY BOX COVER