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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Charging System - Engine) >> Negative Battery Cable Disconnection/Connection [SKYACTIV-G 2.0, SKYACTIV-G 2.5] >> With i-ELOOP >> Negative battery cable terminal disconnection

Negative battery cable terminal disconnection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Switch the ignition off.
    CAUTION:
    • If the nut for the current sensor is loosened with the negative battery cable terminal connected to the battery, excessive torque will be applied to the negative battery cable terminal and the battery terminal will be damaged. When removing the negative battery cable terminal and current sensor, be careful not to damage the battery terminal.
    • Disconnect the current sensor connector before disconnecting the negative battery cable. If the negative battery cable is disconnected first, the PCM may mistakenly recognize a signal from the current sensor causing interference with engine control.
  2. Disconnect the current sensor connector.
  3. Disconnect the negative battery cable terminal.
    • When disconnecting the plastic deformed negative battery cable, expand the gap of the negative battery terminal using a flathead screwdriver, and remove the nut.
    Fig 1: Removing Nut Using Flathead Screwdriver
    G09785421Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • The negative battery cable nut cannot be removed to prevent it from falling off.
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