Hyundai Sonata: Engine Control System / Injector Schematic Diagrams

Circuit Diagram

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 fro ...

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. 4. Check that the resistance is within t ...

Other information:

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). 5. Remove the fuel ...

Hyundai Sonata LF 2014-2019 Service Manual: Advanced Smart Cruise Control (ASCC) Unit-Radar Repair procedures
Removal 1. Remove the bumper. (Refer to Body - "Front Bumper") 2. Disconnect the smart cruise control unit connector. 3. Remove the smart cruise control unit assembly (A) from vehicle after loosening mounting bolts. Installation 1. Install in the reverse order of removal. ...

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