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Home >> Mazda >> 2023 >> CX-50 S >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System >> Negative Battery Terminal Disconnection/Connection >> Negative Battery Terminal Disconnection >> Vehicle with i-stop

Vehicle with i-stop

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Verify the "BATT_SOC" value using the M-MDS data logger function. (See PID/DATA MONITOR INSPECTION .)
  4. Record the "BATT_SOC" value.

    "BATT_SOC" value is less than 75% 

    "BATT_SOC" value is 75% or more 

    • Go to the next step.
  5. Switch the ignition off.
    CAUTION:
    • 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.
    • Be careful not to contact the positive battery terminal.
  6. Disconnect the current sensor connector.
    NOTE:
    • The positive battery cable nut cannot be removed to prevent it from falling off.
  7. Disconnect the negative battery terminal.
    • When disconnecting the plastic deformed negative battery terminal, expand the gap of the negative battery terminal using a flathead screwdriver, and remove the nut.
G09785421Courtesy of MAZDA MOTORS CORP.