Corolla S Sedan L4-1794cc 1.8L DOHC MFI (2001)
b. Remove the NO.2 cooling fan relay. (Marking: FAN NO.2)
c. Inspect the NO.2 cooling fan relay continuity.
1. Using an ohmmeter, check that there is continuity between terminals 1 and 2. If there is no continuity, replace the relay.
2. Check that there is continuity between terminals 3 and 4. If there is no continuity, replace the relay.
3. Check that there is no continuity between terminals 3 and 5. If there is continuity, replace the relay.
d. Inspect the NO.2 cooling fan relay operation.
1. Apply battery positive voltage across terminals 1 and 2.
2. Using an ohmmeter, check that there is no continuity between terminals 3 and 4. If there is continuity, replace the relay.
3. Check that there is continuity between terminals 3 and 5. If there is no continuity, replace the relay.
e. Reinstall the NO.2 cooling fan relay.
f.
Reinstall the relay box cover.
3. w/ A/C: INSPECT NO.3 COOLING FAN RELAY
a. Remove the relay box cover.
b. Remove the NO.3 cooling fan relay. (Marking: A.C FAN NO.3)
c. Inspect the NO.3 cooling fan relay continuity.
1. Using an ohmmeter, check that there is continuity between terminals 1 and 2. If there is no continuity, replace the relay.
2. Check that there is no continuity between terminals 3 and 5. If there is continuity, replace the relay.