Hyundai Palisade (LX2): Rear Glass Defogger / Rear Glass Defogger Switch

Hyundai Palisade (LX2) 2020-2026 Service Manual / Body Electrical System / Rear Glass Defogger / Rear Glass Defogger Switch

Repair procedures

Diagnosis with Diagnostic tool
Diagnosis with Diagnostic tool
1.
In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).
The diagnostic system (Diagnostic tool) provides the following information.
(1)
Fault Code Searching : Checking failure and code number (DTC)
(2)
Data Analysis : Checking the system input/output data state
(3)
Actuation test : Checking the system operation condition
(4)
S/W Management : Controlling other features including system option setting and zero point adjustment
2.
If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle".

Hyundai Palisade. Repair procedures
3.
Select the 'Data Analysis' and 'Car model'.

Hyundai Palisade. Repair procedures
4.
Select the 'IBU_BCM' to search the current state of the input/output data.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
5.
To forcibly actuate the input value of the module to be checked, select option 'Actuation Test'.

Hyundai Palisade. Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the audio unit or the AVN head unit.
(Refer to Audio - "Audio Unit")
(Refer to AVN System - "AVN Head Unit")
3.
Remove the heater and A/C controll unit.
(Refer to Heating, Ventilation, Air Conditioning - "Heater & A/C Control Unit (Manual)")
(Refer to Heating, Ventilation, Air conditioning - "Heater & A/C Control Unit (DATC)")
Installation
1.
Install the heater and A/C control unit.
2.
Install the audio unit or the AVN head unit.
3.
Connect the negative (-) battery terminal.

    Repair procedures Inspection    Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line.

    Other information:

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Mode Control Actuator

    Description and operation Description The mode control actuator is located at the heater unit. It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level →

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Rear Temperature Control Actuator

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the luggage side trim (Refer to Body - "Luggage Side Trim ") 3. Separate the rear temperature actuator connector (A), loosen the mounting screws a

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