Camshaft Position Sensor: Description and Operation

Location

Sensor mounted in top of cylinder head, next to cam sprocket.

Purpose

The Control Module uses sensor input to determine fuel injection synchronization and cylinder identification.

Operation

Camshaft Sensor:

Camshaft Sprocket:

Sensor generates pulses corresponding to slots in camshaft gear.

NOTE: The distance between the sensor and camshaft sprocket is critical to system operation. Be sure paper spacer is attached to sensor face when installing sensor. SEE COMPONENT REPLACEMENT AND REPAIR PROCEDURES.