No. 3 Cooling Fan Relay Inspection (With A/C)
1. Remove relay box cover.
2. Remove No. 3 cooling fan relay.
3. Inspect No. 3 cooling fan relay.
A. Inspect 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.
B. Inspect relay operation.
(a) Apply battery 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.
4. Reinstall No. 3 cooling fan relay.
5. Reinstall relay box cover.