Turn the ignition switch ON.
Manually operate the control switch and measure the voltage of blower motor.
Select the control switch to raise voltage until high speed.
Fan Speed | Motor Voltage |
1 | 3.75~4.5 ± 0.5V |
2 | 4.75~5.59 ± 0.5V |
3 | 5.87~6.71 ± 0.5V |
4 | 6.99~7.83 ± 0.5V |
5 | 8.11~8.95 ± 0.5V |
6 | 9.23~10.35 ± 0.5V |
7 | 10.63~11.75 ± 0.5V |
8 | Battery Voltage |
*AUTO COOLING: Auto speed (4.5V~B+)
*AUTO HEATING: Auto speed (4.5V~10.5V)
. 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.
Disconnect the negative (-) battery terminal.
Remove the passenger side crash pad under cover (A) and then disconnect the connector (B).
Disconnect the connector (A) and then remove the power mosfet (B) after loosening the mounting screws.
Install in the reverse order of removal.
