Inspection |
1. |
Turn the ignition switch ON. |
2. |
Manually operate the control switch and measure the voltage of blower motor. |
3. |
Select the control switch to raise voltage until high speed.
Specification
*AUTO COOLING: Auto speed (4.5V~B+) *AUTO HEATING: Auto speed (4.5V~10.5V) |
4. |
If the measured voltage is not specification, substitute with a known-good power mosfet and check for proper operation. |
5. |
If the problem is corrected, replace the power mosfet. |
Replacement |
1. |
Disconnect the negative (-) battery terminal. |
2. |
Disconnect the connector (A) and then remove the power mosfet (B) after loosening the mounting screws.
|
3. |
Installation is the reverse order of removal. |