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.
CMP (Camshaft Position) Sensor Inspection
Reference: CMP (CAMSHAFT POSITION) SENSOR REMOVAL AND INSTALLATION
- Remove CMP sensor. See CMP (CAMSHAFT POSITION) SENSOR REMOVAL AND INSTALLATION .
- Check the following.
- Check that O-ring (1) is free from damage.
- Check that end face of sensor and signal rotor tooth are free from any metal particles and damage.
- Check CMP sensor as follows.
If faulty condition is found, replace CMP sensor.
- Connect battery (1) and ohmmeter (3) to CMP sensor as shown in figure.
- Check that CMP sensor resistance varies as specified below by passing magnetic substance (iron) (2).
If faulty condition is found, replace CMP sensor.
NOTE: Be sure to keep approximately 1 mm (0.03 in) gap "a" between magnetic substance (iron) and end face of CMP sensor.CMP sensor resistance
Resistance varies between less than 220 Ω (ON) and infinity (OFF)
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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.
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