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 MANUALSMAZDA20096 V6-3.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCAMSHAFT POSITION SENSORTESTING AND INSPECTION
2009 Mazda 6 V6-3.7L
Camshaft Position Sensor: Testing and Inspection
2009 Mazda 6 V6-3.7LSECTION Testing and Inspection
CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZI-3.7]
Visual Inspection
1. Remove the CMP sensor. Service and Repair
2. Verify that there are no metal shavings on the CMP sensor.
- If it is a malfunction, replace the CMP sensor. Service and Repair
Resistance Inspection
1. Remove the CMP sensor connector.
2. Measure the resistance between the CMP sensor terminals.
- If not within the specification, replace the CMP sensor. Service and Repair
CMP sensor resistance
- 800-1,320 ohms [18-28 °C {64.4-82.4 °F}]
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.