Hyundai Tucson: Controller / Heater & A/C Control Unit(Manual) Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console upper cover (A).

3.
Using the screwdriver, remove the center facia lower cover (A).

4.
Using the screwdriver, remove the center facia lower switch assembly (A).

5.
Disconnect the connectors and then remove the center facia lower switch assembly (A).

6.
Loosen the control panel mounting screws and then remove the control panel (A).

7.
Disconnect the connectors and then remove the control panel (A).

8.
Install in the reverse order of removal.
Heater & A/C Control Unit(Manual) Components and Components Location
Components Connector Pin Function ConnectorPin NoFunctionConnectorPin NOFunctionConnector(A)1Middle HighConnector(B)1Tail Lamp (ILL+)2-2Battery 3GND3Mode Actuator (VENT)4High4Mode Actuator (DEF)5M ...

Heater & A/C Control Unit(Dual) Components and Components Location
Components Control Panel Connector Pin Function ConnectorPin NOFunctionConnectorPin NOFunctionConnector(A)1BatteryConnector(B)1CAN (LOW)2Tail Lamp (ILL+)2CAN (HIGH)3IG23Intake Actuator (F/B)4DR ...

Other information:

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