Operation CHARM: Car repair manuals for everyone.

KM2 - Check Power-to-Clutch Circuit Continuity

- Key "OFF".

- A/C clutch disconnected.

- Measure resistance between the ground pin at the A/C clutch vehicle harness connector and the battery negative post.

- Is resistance less than 5.0 ohms?

Yes -- Go to KM3. KM3 - Check For Power On A/C Demand Circuit

No -- Service open circuit. Reconnect all components. Re-evaluate symptom.