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.
Sensor, Camshaft Position: Operation: Notes
The signal circuit of the Camshaft Position (CMP) sensor (2) has a voltage of approximately 5V. The camshaft has a reluctor wheel bolted to the front of left exhaust camshaft, the CMP signal is approximately 0V. This 0V to 5V signal is used by the Powertrain Control Module (PCM) for detecting ignition TDC of cylinder 1 as the engine rotates. If no signal is supplied by the CMP the vehicle will not start.
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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.