Celica Coupe L4-132 2164cc 2.2L DOHC (5S-FE) (1992)
1. Inspect cooling fan relay ("FAN NO. 1").
A. Inspect relay continuity
1. Using an ohmmeter. check that there is continuity between terminals 1 and 2.
2. Check that there is continuity between terminals 3 and 4.
If continuity is not as specified, replace the relay.
B. Inspect relay operation.
1. Apply battery voltage across terminals 1 and 2.
2. Using an ohmmeter, check that there is no continuity between terminals 3 and 4.
If operation is not as specified. replace the relay.
2. Inspect engine main relay ("ENGINE MAIN").
A. Inspect relay continuity.
1. Using an ohmmeter, check that there is continuity between terminals 1 and 3.
2. Check that there is continuity between terminals 2 and 4.
3. Check that there is no continuity between terminals 4 and 5.
If continuity is not as specified, replace the relay.
B. Inspect relay operation
1. Apply battery voltage across terminals 1 and 3.
2. Using an ohmmeter, check that there is no continuity between terminals 2 and 4.
3. Check that there is continuity between terminals 4 and 5.
If operation is not as specified replace the relay.