Celica GT L4-1.8L (1ZZ-FE) (2001)
Radiator Cooling Fan Motor Relay: Testing and Inspection
No. 1 Cooling Fan Relay
INSPECTION
1. INSPECT NO. 1 COOLING FAN RELAY
a. Remove the relay box cover.
b. Remove the No. 1 cooling fan relay. (Marking: FAN No. 1 )
c. Inspect the No. 1 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.
d. Inspect the No. 1 cooling fan relay operation.
1. Apply battery positive voltage across terminals 1 and 2.
2. Using an ohmmeter, check that there is continuity between terminals 3 and 5.
If there is no continuity, replace the relay.
e. Reinstall the No. 3 cooling fan relay.
f.
Reinstall the relay box cover.
2. w/ A/C: INSPECT NO. 2 COOLING FAN RELAY
a. Remove the relay box cover.