Celica GT Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1999)
Radiator Cooling Fan Motor Relay: Testing and Inspection
Engine Main Relay
INSPECTION
1. REMOVE RELAY BOX COVER
2. REMOVE ENGINE MAIN RELAY (Marking: E/G MAIN)
3. INSPECT 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 RELAY OPERATION
a. Apply battery 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