Visual inspection
CAUTION:
- 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.
- Remove the exhaust CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION ).
- Verify that there are no metal shavings on the exhaust CMP sensor.
- If there is a malfunction, remove any metal shavings that are adhering.