EFI Main Relay
- Ensure ignition is off. Remove EFI main relay. See EFI MAIN RELAY LOCATION table. Using ohmmeter, check continuity between specified terminals. See Fig 1.
- Check EFI main relay operation by applying battery voltage and checking continuity between specified terminals. See Fig 1. Replace EFI main relay if defective.
NOTE:
The EFI main relay may also be identified by appropriate illustration in THEORY/OPERATION
article in the ENGINE PERFORMANCE Section or wire color. See appropriate wiring diagram in WIRING DIAGRAMS
article in the ENGINE PERFORMANCE Section.
EFI MAIN RELAY LOCATION
| Application | Location |
|---|---|
| Corolla | Relay Box Near Left Front Fenderwell |