Visual Inspection
WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- Disconnect the current sensor connector before disconnecting the negative battery cable terminal. If the negative battery cable terminal is disconnected first, the PCM may mistakenly recognize a signal from the current sensor causing interference with engine control.
- Disconnect the current sensor connector.
- Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
- Remove the current sensor. (See CURRENT SENSOR REMOVAL/INSTALLATION .)
- Verify that there is no damage to the current sensor, and no corrosion and damage to the connector.
- If there is a malfunction, replace the current sensor. (See CURRENT SENSOR REMOVAL/INSTALLATION .)