Sonata V6-3.0L (1991)
1.
Remove the Air Conditioning Relay.
2.
Test terminals L and B for continuity, there should be no continuity.
3.
Apply 12v power across terminals S1 and S2.
4.
Test terminals L and B for continuity, there should be continuity.
5.
If the relay fails either test replace the relay.
NOTE: In referencing the wiring schematic in ELECTRONIC AND ELECTRICAL DIAGRAMS, the terminals 2 and 4 correlate to terminals L and
B as marked on the relay. Additionally terminals 1 and 3 correlate to S1 and S2 as marked on the relay.