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01-18
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Initial fan speed control for cooling/heating
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Cooling start control
When the intake temperature sensor indicates over 35°C, the driver might feel uncomfortable
by the air flow from the vent. Therefore, at the initial operation stage, the hot air is discharged to the
windshield (DEF mode) for about 5 seconds.
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Heating start control
When the engine coolant temperature is low or the wind temperature is not warmed up sufficiently,
the driver might feel uncomfortable by the air flow from the vent. Therefore, the fan speed is set to the
1st stage and the cool air is sent to the windshield until the coolant temperature increases to the
proper level (DEF mode). As the engine coolant temperature goes up, the mode is changed to
Defrost & Foot mode or AUTO mode to increase the speed of blower motor. This control is cancelled
when the output value of the water temperature sensor is approximately 62℃. However, the
control time must not exceed 10 minutes.
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Table of Contents
Troubleshooting
