Celica GT Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1999)
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EFI Main Relay: Testing and Inspection
1. REMOVE EFI MAIN RELAY
2. 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.
3. 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 EFI MAIN RELAY