Supra Sport Roof L6-2997cc 3.0L DOHC MFI (1998)
EFI Main Relay: Testing and Inspection
INSPECTION
1. REMOVE EFI MAIN RELAY
2. INSPECT EFI MAIN 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 EFI MAIN RELAY OPERATION
(a) Apply battery positive 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
