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Home >> Mazda >> 2025 >> CX-5 S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN M) >> Current Sensor Inspection (VIN M) >> Visual Inspection
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Visual Inspection

CAUTION:
  • Be careful not to contact the positive battery terminal.
  • If the nut for the current sensor is loosened with the negative battery terminal connected to the battery, excessive torque will be applied to the negative battery terminal and the battery terminal will be damaged. When removing the negative battery terminal and current sensor, be careful not to damage the battery terminal.
  • Connect the negative battery terminal before connecting the current sensor connector. If the current sensor connector is connected first, the PCM may mistakenly recognize a signal from the current sensor and learn the battery condition incorrectly.
  • Verifying the tightness while holding the current sensor may apply excessive force to the terminal and the terminal could loosen, causing poor engine starting. When verifying the tightness of the negative battery terminal, only hold the terminal area, not the current sensor.
  1. Disconnect the current sensor connector.
  2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the current sensor. (See CURRENT SENSOR REMOVAL/INSTALLATION (VIN M) .)
  4. Verify that there is no damage to the current sensor, and no corrosion and damage to the connector.
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