Ignition "ON"
Manually operate the control switch and measure the voltage of blower motor.
Select the control switch to raise voltage until high speed.
Fan | Motor Voltage |
Manual | |
First speed | 3.8 ±0.5V |
Second speed | 5.0 ±0.5V |
Third speed | 6.2 ±0.5V |
Fourth speed | 7.4 ±0.5V |
Fifth speed | 8.6 ±0.5V |
Sixth speed | 9.8 ±0.5V |
Seventh speed | 11.0 ±0.5V |
eighth speed | Battery |
*AUTO COOLING: Auto speed (4.5V~B+)
*AUTO HEATING: Auto speed (4.5V~11.0V)
If the measured voltage is not specification, substitute with a known-good power mosfet and check for proper operation.
If the problem is corrected, replace the power mosfet.
1. Disconnect the negative (-) battery terminal.
Remove the main crash pad lower cover (A).
Disconnect the power mosfet connector (A) and then remove the power mosfet (B) after loosening the mounting screws.
Installation is the reverse order of removal.
