Hyundai Santa Fe: Blower / Power Mosfet (DATC). Repair procedures
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.
|
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:
Connect the registered digital key with personalized profile. Then in case you
lock or unlock the door with the digital key NFC function or unlock the door remotely
by digital key application Bluetooth connection, the vehicle will play the personalized
user profile settings...
Temperature control
The temperature will increase by turning the knob to the right. The temperature
will decrease by turning the knob to the left.
Air intake control
This is used to select outside (fresh) air position or recirculated air position.
To change the air intake control position, press the control button...
Categories
Speedometer
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The speedometer indicates the speed of the vehicle and is calibrated in miles
per hour (MPH) and/or kilometers per hour (km/h).
Tachometer
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