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:

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
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Hyundai Tucson (LM) 2010-2015 Service Manual: Rheostat Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to the BD group - "Crash pad") 3. Remove the crash pad side switch assembly (A) as shown below picture.     Put on gloves to protect your hands. 4. Remove th ...

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