1. Mode control actuator
1.Turn the ignition switch OFF.
2.Disconnect the mode control actuator connector.
3.Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.Verify that the mode control actuator operates to the vent mode when connected in reverse.
1. -
2. -
3. Defrost mode
4. Vent mode
5. Sensor ground
6. Feedback signal
7. Sensor (+ 5V)
4.Connect the mode control actuator connector.
5.Turn the ignition switch ON.
6.Check the voltage between terminal 5 and 4.
Door position | Voltage (V) | Error detecting |
Vent | 0.5 ± 0.15V | Low voltage : 0.1V or less High voltage : 4.9V or more |
Defrost | 4.5 ± 0.15V |
7.If the measured voltage is not within specification, substitute with a known-good mode control actuator and check for proper operation.
8.Replace the mode control actuator if it is proved that there is a problem with it.
1.Disconnect the negative (-) battery terminal.
2.Remove the main crash pad assembly.(Refer to Body (Interior and Exterior) - "Main Crash Pad Assembly")
3.Remove the DC DC converter.(Refer to Engine Electrical System - "DC DC converter")
4.Disconnect the mode control actuator connector (A) and loosen the mounting screw and remove the mode control actuator (B).
5.Install in the reverse order of removal.
Hyundai Tucson (NX4) 2022-2025 Service Manual: Heater Unit
- Component Location
1. Heater unit assembly
- Components
1. Heater unit assembly2. Heater core cover3. Heater core assembly4. Mode control actuator [LH]5. DEF duct seal6. Evaporator assembly7. Flange seal8. Heater NVH pad9. Temperature control actuator [LH]10. Heater case [LH]11. Ve ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Fuel Filler Cap
- Description
A ratchet tightening device on the threaded fuel filler cap reduces the
chances of incorrect installation, which seals the fuel filler. After
the gasket on the fuel filler cap and the filler neck flange contact
each other, the ratchet produces a loud clicking noise indicating ...