
1. Fuel filler door release actuator
1.Disconnect the negative (-) battery terminal.
2.Remove the fuel filler housing after opening the fuel filler door.(Refer to Body - "Fuel Filler Door")
3.Disconnect the connector (A) and then remove tht release actuator (B) after loosening mounting screws.

4.Check for continuity between terminal No. 1 and No. 2. If there is no continuity, replace the fuel filler door release actuator (A).

IMS Control SwitchHyundai Tucson (NX4) 2022-2026 Service Manual: General Information
- General Troubleshooting Information
Before Troubleshooting
1.Check applicable fuses in the appropriate fuse/relay box.
2.Using the battery checker (MCR-570 KIT), check the battery for
damage, state of charge, and clean and tight connections.(Refer to
Engine Electrical System - "Battery") ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Rear Glass Defogger Printed Heater
- Inspection
Wrap tin foil around the end of the voltmeter test lead to prevent
damaging the heater line. Apply finger pressure on the tin foil, moving
the tin foil along the grid line to check for open circuits.
1.Turn on the defogger switch and use a voltmeter to mea ...