Corolla Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
EFI Main Relay: Testing and Inspection
EFI MAIN RELAY (Marking : EFI)
INSPECTION
1. REMOVE EFI MAIN RELAY
2. INSPECT EFI MAIN RELAY(NIPPONDENSO)
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 there is no continuity, replace the relay.
3. INSPECT EFI MAIN RELAY(BOSCH)
A. Inspect relay continuity
(a) Using an ohmmeter, check that there is continuity between terminals 86 and 85.
