X160 - Check HFC Relay Primary Circuit For Open In CCRM

- Key "OFF".

- AC Clutch Supply (ACCS) disconnected.

- Constant Control Relay Module (CCRM) disconnected.

- Measure resistance between Pin 17 and Pin 24 of the CCRM.

- Is resistance between 50 and 100 ohms?

Yes -- No fault found. Verify test results. If all OK, reconnect all components. Return to Diagnostic Routines to continue diagnosis. Symptom Related Diagnostic Procedures

No -- Replace CCRM. Reconnect all components. Re-evaluate symptom.