Hyundai Palisade: Blower / Power Mosfet (DATC)

Hyundai Palisade (LX2) 2020-2024 Service Manual / Heating,Ventilation And Air Conditioning / Blower / Power Mosfet (DATC)

Repair procedures
Inspection
1.
Turn the ignition switch ON.
2.
Manually operate the control switch and measure the voltage of the blower motor.
3.
Select the control switch to raise the voltage until high speed.

Hyundai Palisade. Repair procedures

Specification
Fan Speed
Manual Control
Auto Control
A/C ON
A/C OFF
Floor, MIX mode
Not floor, MIX mode
Floor, MIX mode
Not floor, MIX mode
1
4.5V
3.8V
4.5V
3.8V
~ 4.6V
2
5.3V
5V
5.3V
5V
4.6 ~ 5.5V
3
6.2V
6.1V
6.2V
6.1V
5.5 ~ 6.6V
4
6.9V
7.3V
6.9V
7.3V
6.6 ~ 7.8V
5
8.0V
8.5V
8.0V
8.5V
7.8 ~ 9.0V
6
9.2V
9.7V
9.2V
9.7V
9.0 ~ 10.2V
7
11.0V
10.9V
11.0V
10.9V
10.2 ~ 12.5V
8
BATTERY (B+)

4.
If the measured voltage is not within specification, substitute with a known-good power mosfet and check for proper operation.
5.
Replace the power mosfet if it is proved that there is a problem with it.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the passenger side crash pad under cover (A).

Hyundai Palisade. Repair procedures

3.
Loosen the mounting screws and remove the passenger shower duct (A).

Hyundai Palisade. Repair procedures

4.
Separate the connector (A), loosen the mounting screws and remove the power mosfet (B).

Hyundai Palisade. Repair procedures

5.
Install in the reverse order of removal.

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