Heating, Ventilation, and Air Conditioning
In-Car Sensor Repair Procedures
In this manual: Heating, Ventilation, and Air Conditioning
6steps
~36min
2/5difficulty
Done 0 of 6
Inspection
- Turn the ignition on.
- Blow warm air into the aspirator of the in-car sensor. Measure the resistance of the sensor between terminals 1 and 3.

1. Sensor Ground
2. Blower Motor (-)3. In-Car Sensor (+)
4. Ignition 2
SpecificationTemperature [°C(°F)] Resistance between terminals 1 and 3 (kΩ) -30(-22) 509,57 -20(-4) 285,61 -10(14) 164,65 0 (32) 97,71 10(50) 59,67 20(68) 37,48 30(86) 24.17 40(104) 15,98
The in-car sensor is a negative temperature coefficient (NTC) thermistor. Resistance increases at lower temperatures and decreases at higher temperatures.
Replacement
- Disconnect the negative (-) battery terminal.
- Remove the airbag center panel. (Refer to Body - "Airbag Side Garnish Assembly")
- Remove the in-car sensor (A).

- Install in the reverse order of removal.
Test yourself
A quick Hyundai Genesis DH quiz: every answer comes with an explanation and a link to the manual page.
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