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Relays and Modules - Fuel Delivery and Air Induction > < Main Relay (Computer/Fuel System)|Locations|Page 3081
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Main Relay (Computer/Fuel System): Testing and Inspection

INSPECTION 

1. REMOVE EFI MAIN RELAY (Marking: EFI)

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

Relays and Modules - Fuel Delivery and Air Induction > < Main Relay (Computer/Fuel System)|Locations|Page 3081