Diesel Data: Automotive Repair

Engine Control System

INSPECT EFI RELAY




Inspect the resistance.

Using an ohmmeter, measure the resistance between the terminals.




If the result is not as specified, replace the EFI relay.

INSPECT CIRCUIT OPENING RELAY




Inspect the resistance.

Using an ohmmeter, measure the resistance between the terminals.




If the result is not as specified, replace the circuit opening relay.