Santa Fe L4-2.4L (2001)
Coolant Temperature Sensor / Switch HVAC: Description and Operation
WATER TEMPERATURE SENSOR
1. The water temperature sensor is located at the heater core, and detects coolant temperature flowing through heater core. It is an NTC device:
resistance will rise with lower temperature, and drop with higher temperature.
Check
2. Electromotive heating control
In AUTO mode, discharge mode to the FLOOR or Bi-LEVEL, if the coolant temperature is low, the sensor will the prevent cold air from being
discharged toward passenger's legs.
1. Operation control
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Discharge mode FLOOR or Bi-LEVEL with AUTO setting
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Coolant temperature is low
2. System operation
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Mode door: DEF -> MIX -> AUTO
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Blower level: AUTO LOW -> AUTO HI
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Intake door: Ambient air
3. Override operation conditions
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After the ignition is on for 10 minutes.
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Coolant temperature is high.
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Upon selecting blower mode manual operation, it will release the selected mode only. Upon selecting auto mode, it will re-enter the
selected mode.
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If the mode is released by the system it will not reset.
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It will prevail over max. hot feature.
