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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System Diagnosis - 2.0L (Except HEV) (1 Of 6)) >> Component (Location) And Function >> Component Function >> Battery Sensor

Battery Sensor

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Battery sensor is connected to the (-) battery terminal. It sends battery voltage, current, temperature information to the Engine Control Module (ECM). Then, the ECM adjusts voltage by duty cycle based on these signals.

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