Hyundai Sonata LF: Charging System / Battery Sensor Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Charging System / Battery Sensor Description and Operation

Description
Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power supply as there diverse sensors giving a variety of information. Battery sensor is mounted on battery (-) terminal. It transmits battery voltage, current, temperature information to ECM. ECM controls generating voltage by duty cycle based on these signals.

    Battery Troubleshooting

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    Battery Sensor Repair procedures

    Removal 1. Disconnect the battery negative (-) cable. 2. Disconnect the battery sensor connector (A). 3. Remove the battery negative (-) cable after removing the bolts (B)...

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    Hyundai Sonata LF 2014-2019 Service Manual: Electric WGT Control Actuator Repair procedures


    Inspection [Motor] 1. Turn ignition switch OFF. 2. Disconnect the EWGA connector. 3. Check that the EWGA is stuck by foreign material. 4. Measure resistance between motor (+) and (-) control terminals of the motor. 5. Check that the resistance is within the specification...

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