Tercel Sedan 4-Door L4-1456cc 1.5L SOHC (3E-E) (1992)
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EFI Main Relay: Testing and Inspection
MFI Main Relay Circuit
MFI Main Relay Inspection
Inspect Relay Continuity
- Check that there is continuity between terminals 1 and 3.
- Check that there is no continuity between terminals 2 and 4.
- Check that there is no continuity between terminals 3 and 4.
- If continuity is not as specified, replace the relay.
MFI Main Relay Inspection - Checking Continuity
Inspect Relay Operation
- Apply battery voltage across terminals 1 and 3.
- Check that there is continuity between terminals 2 and 4.
- If operation is not as specified, replace the relay.
