Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
X53 - Check Continuity of ACPSW to CCRM
1994 Ford Taurus V6-182 3.0L DOHC SHOSECTION X53 - Check Continuity of ACPSW to CCRM
- Key "OFF".
- AC Pressure Switch (ACPSW) disconnected.
- Constant Control Relay Module (CCRM) disconnected.
ACPSW View:
- Measure resistance between the A/C demand to CCRM pin at the ACPSW vehicle harness connector and Pin 21 of the CCRM vehicle harness connector.
- Is resistance less than 5.0 ohms?
Yes -- Reconnect CCRM. Go to Heating and Air Conditioning to check the operation of the ACPSW. After any service, reconnect all other components and re-evaluate symptom.
No -- Service open circuit. Reconnect all components. Re-evaluate symptom.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.