EFI Main Relay

NOTE: EFI main relay may also be referred to as EFI relay.

Ensure ignition is off. Remove EFI main relay. See EFI MAIN RELAY LOCATION table.

NOTE: The EFI main relay may also be identified using appropriate illustration in THEORY/OPERATION article.

EFI MAIN RELAY LOCATION

Application

Location

Previa

⁽¹⁾ Behind Instrument Cluster, In Relay Block Located Above Accelerator Pedal Area

⁽¹⁾	EFI main relay is a round relay at lower right corner of relay block.

To test EFI main relay continuity, using ohmmeter, check continuity between specified terminals. See Fig 1 and 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 and Fig 2. Replace EFI main relay if defective.

Fig 1: Testing EFI Main Relay - Checking Continuity

Fig 2: Testing EFI Main Relay - Checking Operation