Celica ST Ltd Ed Liftback L4-1762cc 1.8L DOHC MFI (1997)
EFI Main Relay: Testing and Inspection
EFI MAIN RELAY (Marking: EFI) INSPECTION
1. REMOVE EFI MAIN RELAY
LOCATION: In the engine compartment relay box.
2. INSPECT EFI MAIN RELAY
A. 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.
B. 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 operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY
