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Sensors and Switches - Powertrain Management > < Main Relay (Computer/Fuel System)|Locations|Page 1098
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Main Relay (Computer/Fuel System): Testing and Inspection

1. REMOVE EFI MAIN RELAY.
2. INSPECT EFI MAIN RELAY.

A. Inspect relay continuity.

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Using an ohmmeter, check that there is continuity between terminals 1 and 2.

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Check that there is no continuity between terminals 3 and 5.
If continuity is not as specified, replace the relay.

B. Inspect relay operation.

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Apply battery voltage across terminals 1 and 2.

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Using an ohmmeter, check that there is continuity between terminals 3 and 5. If operation is not as specified, replace the relay.

3. REINSTALL EFI MAIN RELAY.

Sensors and Switches - Powertrain Management > < Main Relay (Computer/Fuel System)|Locations|Page 1098