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.
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HOMESERVICE MANUALSMAZDA2001626 ES V6-2.5L DOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGREFRIGERANT PRESSURE SENSOR / SWITCHTESTING AND INSPECTION
2001 Mazda 626 ES V6-2.5L DOHC
Refrigerant Pressure Sensor / Switch: Testing and Inspection
2001 Mazda 626 ES V6-2.5L DOHCSECTION Testing and Inspection
REFRIGERANT PRESSURE SWITCH INSPECTION
1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.
3. Verify the high- and low-pressure side reading of manifold gauge.
4. Check for continuity between terminals of the refrigerant pressure switch.
- If not as specified, replace the refrigerant pressure switch.
1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.
3. Verify the high- and low-pressure side reading of manifold gauge.
4. Check for continuity between terminals of the refrigerant pressure switch.
- If not as specified, replace the refrigerant pressure switch.
RENDER: 1.0x
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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.