Hyundai Sonata LF: Charging System / Battery Troubleshooting

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Charging System / Battery Troubleshooting

Troubleshooting

    Battery Repair procedures

    Removal 1. Remove the air duct. (Refer to Engine Mechanical System - "Air Cleaner") 2. Disconnect the battery (-)terminal (A) and then (+)terminal (B)...

    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...

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Injector Troubleshooting


    Signal Waveform The three waveforms below are taken from the #1 and #4 injectors. The top waveform is from the high side (feed side) of the #1 and #4 injectors, while the middle waveform is from the low side (ground side) of the #1 injector and the bottom waveform is from the low side of the #4 injector...

    Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pump Control Module (FPCM) Repair procedures


    Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. emove the rear seat cushion. ( Refer to Body - "Rear Seat Assembly") 3. Remove the fuel pump service cover (A). 4. Disconnect the fuel pump control module connector (A)...

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