Operation CHARM: Car repair manuals for everyone.

X9 - Measure Continuity of Power Ground to CCRM



- Key "OFF".

- Constant Control Relay Module (CCRM) disconnected.

- Measure resistance between battery negative post and Pin 15 at the CCRM vehicle harness connector.

- Is resistance less than 5.0 ohms?

Yes -- Service open in battery positive to CCRM Pin 8/Pin 10. Reconnect CCRM. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Service open in battery ground to CCRM Pin 15. Reconnect CCRM. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)