Hyundai Sonata LF: Engine Control System / Injector Schematic Diagrams

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...

Injector Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance between the injector terminals 1 and 2...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: A/C Pressure Transducer Repair procedures

Inspection 1. Measure the pressure of high pressure line by measuring voltage output between terminal "1" and "2". 2. Inspect the voltage value whether it is sufficient to be regular value or not. Vdd * (0.001758 * Pressure(Psia) + 0.074126 3...

Hyundai Sonata LF 2014-2019 Service Manual: Seat Heater Switch Repair procedures

Removal [Front Seat] 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and A/C control unit. (Refer to Heating, Ventilation and Air Conditioning - "Controller") [Rear Seat] 1. Disconnect the negative (-) battery terminal...