Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Battery Sensor Recalibration Procedure
If disconnecting the negative (-) battery cable from the battery during repair work for the vehicle equipped with Alternator Managing System (AMS) function,
Battery sensor recalibration procedure should be performed after finishing the repair work.
- Turn the Ignition switch ON and OFF.
- Park the vehicle about 4 hours under below states.
- Park the vehicle about 4 hours under below states.
- Closing the hood, trunk, and all doors.
- After 4 hours later, check whether the current data is displayed normally or not using GDS.
- Nominal capacity (AMS) = 45Ah [For Non-ISG type]
- Nominal capacity (AMS) = 60Ah [For ISG type or Russia region]
- State of Charge of Battery (AMS) = (0~100%)
- State of Health of Battery (AMS) = (0~100%)
- After cranking the engine 2 times or more, check "State of Function of Battery (AMS) =(0~12V)". [For ISG system only]
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.