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Hyundai Equus Manuals

Hyundai Equus: Mode Control Actuator Repair procedures - Heater - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Mode Control Actuator Repair procedures

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Heating, Ventilation and Air Conditioning / Heater / Mode Control Actuator Repair procedures

Inspection
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 6 and 5.
Specification
Door position
Voltage (V)
Error detecting
Vent
0.3±0.15
 Low voltage : 0.1V or less
Defrost
4.7±0.15
 High voltage : 4.9V or more

It will feedback the current position of the actuator to controls.
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.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the driver's side crash pad side cover.

3.
After loosening the mounting screws, remove the crash pad lower panel (A).

4.
Disconnect the crash pad lower panel switch connector (A) and knee air bag connector (B).

5.
Remove the driver's side shower duct (A) after loosening the screw.

6.
Loosen the mounting screws and remove the AVM unit (A).

7.
Disconnect the connector (A) and then remove the mode control actuator (B) after loosening the mounting screws.

8.
Install in the reverse order of removal.
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