Vibe FWD L4-1.8L VIN L (2005)
Camshaft Position Sensor: Description and Operation
CAMSHAFT POSITION (CMP) SENSOR
The camshaft position (CMP) sensor is located in the cylinder head near the number 4 fuel injector. The CMP sensor is a signal generator that is
composed of a magnet and a coil with an iron core. The PCM relies on the AC signal provided by the CMP sensor in order perform the following:
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To optimize the ignition timing
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To optimize the fuel delivery
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To detect any engine misfire
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To monitor CMP actuator solenoid valve operation
