KM80 - A/C Always On: Check Clutch Circuit For Short to Power

NOTE: Before entering this test, verify Key On Engine Off (KOEO) DTC 539 or 559 was not received. If DTC 539 or 559 is present, refer to Diagnostic Trouble Code Charts for proper Pinpoint Test direction. Manufacturer Code Charts

- Key "OFF".

- Disconnect A/C relay.

- Disconnect A/C clutch.

- Key On.

- Measure voltage between power side of A/C Clutch vehicle harness connector and battery negative post.

- Is voltage less than 1.0 volt?

Yes -- Go to KM81. KM81 - Check A/C Relay

No -- Service short to power. Reconnect all components. Re-evaluate symptom.