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Home >> Lexus >> 1995 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Main Relay (Computer/Fuel System) >> Testing and Inspection
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Main Relay (Computer/Fuel System): Testing and Inspection




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




Continuity Test
- Using an ohmmeter, check that there is continuity between terminals 1 and 2.
- Check that there is no continuity between terminals 3 and 5.
- If continuity is not as specified, replace the relay.




Operational Test
- Apply battery voltage across terminals 1 and 2.
- 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.