EFI Main Relay
NOTE:
Supra Turbo also uses a EFI No. 2 relay along with EFI main relay. For testing procedures, see EFI NO. 2 RELAY under RELAYS.
- Ensure ignition is off. Remove EFI main relay from fuse/relay box near driver's side front corner of engine compartment, near the battery.
- To test EFI main relay continuity, use ohmmeter to check continuity between specified terminals. See Fig 1 or Fig 2.
- To test EFI main relay operation, apply battery voltage and ground to relay and use ohmmeter to check continuity between specified terminals. See Fig 1 or Fig 2. Replace EFI main relay if defective.