Hyundai Santa Fe (TM): Blower / Power Mosfet (DATC). Repair procedures

Hyundai Santa Fe (TM) 2019-2023 Service and Repair 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.

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
 4.2V
 3.4V
 4.2V
 3.4V
 ~ 4.6V
2
 5.3V
 4.6V
 5.3V
 4.6V
 4.6 ~ 5.5V
3
 6.2V
 5.5V
 6.2V
 5.5V
 5.5 ~ 6.6V
4
 6.9V
 6.6V
 6.9V
 6.6V
 6.6 ~ 7.8V
5
 8.0V
 8.0V
 8.0V
 8.0V
 7.8 ~ 9.0V
6
 9.2V
 9.4V
 9.2V
 9.4V
 9.0 ~ 10.2V
7
 11.0V
 11.0V
 11.0V
 11.0V
 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 glove box.
(Refer to Body - "Glove Box")
3.
Disconnect the connector (A) and then remove the power mosfet (B) after loosening the mounting screws.
4.
Install in the reverse order of removal.

    Inspection 1. Measure the resistance between the terminals. 2. The measured resistance is not within specification, the blower resistor must be replaced.

    Description The climate control air filter is located in the blower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust filter to ensure comfortable interior environment.

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Climate Control Air Filter. Repair procedures

    Replacement 1. Remove the glove box. (Refer to Body - "Glove Box") 2. Remove the filter cover (A) by pressing the knob. 3. Replace the air filter (A) with a new one according to the direction of air filter.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Heater & A/C Control Unit (Manual). Repair procedures

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the console upper cover (A). 3. Press the lock pin, separate the console upper cover connectors (A).

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