Turn the ignition key to the OFF position.
Connect the service connector (1) of the fuel pump (black) directly to the "+" of the battery and check if the sound of the pump operating can be heard.

Note: To improve the audibility of the sound of the operating pump, unscrew the fuel tank filler cap.
Check for pressure by squeezing the fuel hose.
[The original material is located on the website: hyundaibook.ru]
