Hyundai Elantra: Blower / Power Mosfet
Description and operation
It is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor.
Repair procedures
1. | Manually operate the control switch and measure the voltage of the blower motor. |
2. | Select the control switch to raise the voltage until high speed. 
Fan Speed
| Motor Voltage (V) (Manual)
| 1
| 3.8
| 2
| 5
| 3
| 6.1
| 4
| 7.3
| 5
| 8.5
| 6
| 9.7
| 7
| 10.9
| 8
| Battery +
|
|
1. | Disconnect the negative (-) battery terminal. |
2. | Disconnect the power mosfet connector (A) and then remove the power mosfet (B) after loosening the mounting screws. 
|
3. | To install, reverse the removal procedure. |
Repair procedures
Inspection1.Connect the battery voltage and check the blower motor rotation.Replacement1.Disconnect the negative (-) battery terminal...
Repair procedures
Inspection1.Measure the resistance between the terminals.2.The measured resistance is not within specification, the blower resistor must be replaced...
Other information:
You need to keep sufficient distance
between your vehicle and the vehicle in
front of you.
Apply the brakes gently. Speeding, rapid
acceleration, sudden brake applications,
and sharp turns are potentially
very hazardous practices. During
deceleration, use engine braking to the
fullest extent...
Recirculated air position
With the recirculated air
position selected, air from the
passenger compartment will
be drawn through the heating
system and heated or cooled
according to the function
selected.
Outside (fresh) air position
With the outside (fresh) air
position selected, air enters
the vehicle from outside and
is heated or cooled according
to the function selected...