Operation CHARM: Car repair manuals for everyone.

X68 - Check ACPSW Circuit Continuity to CCRM



- Key "OFF".

- AC Pressure Switch (ACPSW) disconnected.

- Disconnect Constant Control Relay Module (CCRM).

- Measure resistance between Pin 17 of the CCRM vehicle harness connector and the ACPSW circuit at the ACPSW vehicle harness connector.

- Is resistance less than 5.0 ohms?

Yes -- Go to X160. X160 - Check HFC Relay Primary Circuit For Open In CCRM

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