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: Front Pillar Trim Components and Components Location

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Hyundai Sonata LF 2014-2019 Service Manual: Starter Description and Operation

Description The starting system includes the battery, starter, solenoid switch, ignition switch, inhibitor switch (A/T), clutch pedal switch (M/T), ignition lock switch, connection wires and the battery cable. When the ignition key is turned to the start position, current flows and energizes the starter motor's solenoid coil...