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 Owners Manual: Closing the fuel filler door
1. To install the fuel tank cap, turn it clockwise until it "clicks" one time. 2. Close the fuel filler door until it is latched securely. WARNING Gasoline is highly flammable and explosive. Failure to follow these guidelines may result in SERIOUS INJURY or DEATH: Read and follow all warnings pos ...

Hyundai Sonata LF 2014-2019 Service Manual: Ambient Temperature Sensor (ATS) Description and Operation
Description Ambient Temperature Sensor (ATS) is installed on the front-end module and senses the ambient temperature. ECM receives not only the intake air temperatue but also the ambient air temperature informations at the same time to control the intake air quantity precisely provided th ...

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