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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Crankshaft Position (CKP) Sensor Inspection >> Visual Inspection
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Visual Inspection

CAUTION:
  • When replacing the CKP sensor, make sure there is no foreign matter on it such as metal shavings. If it is installed with foreign matter, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and cause a deterioration in engine control.
  1. Turn the steering wheel to full right lock.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Lift up the vehicle.
  4. Remove the front splash shield (RH). (See FRONT SPLASH SHIELD REMOVAL/INSTALLATION .)
  5. Remove the service hole cover (installed to front under cover No. 2). (See OIL FILTER REPLACEMENT .)
  6. Disconnect the CKP sensor connector.
  7. Remove the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
  8. Verify that there are no metal shavings on the sensor.
    • If there is a malfunction, remove any metal shavings that are adhering.
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