Inspection
1.

Ignition "ON"

2.

Manually operate the control switch and measure the voltage of blower motor between pin 1 and 2.

3.

Select the control switch to raise voltage until high speed.

[Specification]

Fan

Motor voltage

Motor Voltage

Manual

Auto

First speed

3.80±0.5

3.8±0.5

Second speed

4.29±0.5

4.9±0.5

Third speed

4.77±0.5

6.1±0.5

Forth speed

5.29±0.5

7.2±0.5

Fifth speed

5.74±0.5

8.3±0.5

Sixth speed

6.23±0.5

9.5±0.5

Seventh speed

6.71±0.5

10.6±0.5

Eighth speed

7.20±0.5

Battery (+)

Ninth speed

7.69±0.5

Tenth speed

8.17±0.5

Eleventh speed

8.66±0.5

Twelf speed

9.14±0.5

Thirteen speed

9.63±0.5

Fourteen speed

10.11±0.5

Fifteen speed

10.60±0.5

Sixteenth speed

Battery (+)

AUTO COOLING: Auto speed (4.5V~B+)

AUTO HEATING: Auto speed (4.6V~10.6V)

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.

Яндекс.Метрика