Mazdaspeed3 L4-2.3L Turbo (2010)
Camshaft Position Sensor: Service and Repair
CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [L3 WITH TC]
CAUTION:
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When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the
sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control.
1. Remove the battery cover. See: Starting and Charging/Battery/Service and Repair/Removal and Replacement
2. Disconnect the negative battery cable.
3. Remove the charge air cooler cover. (See See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair.)
4. Disconnect the CMP sensor connector.
5. Remove the CMP sensor.
6. Install in the reverse order of removal.