Hyundai Genesis: Air Conditioning System / Ambient Temperature Sensor Description and Operation
The ambient temperature sensor is located inside the side
mirror and detects ambient air temperature. It is a negative type
thermistor; resistance will increase with lower temperature, and
decrease with higher temperature.
The sensor output will be used for discharge temperature
control, temperature regulation door control, blower motor level
control, mix mode control and in-car humidity control.

If the ambient temperature is below 1.0°C (33.8°F), the A/C compressor will stop operating.
The compressor will operate manually.
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Inspection
1.
Turn the ignition switch ON.
2.
Connect the GDS.
3.
Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.
4.
The voltage will ri ...
Inspection
1.
Check the resistance of the ambient temperature sensor
between terminals 1 and 2 whether it changes by changing the ambient
temperature.
1. Ambient Sensor (+)2. Sensor ground
...
Other information:
Removal
1.
Remove the filler neck mounting screws (A) after opening the fuel filler door.
2.
Remove the rear-left wheel & tire and wheel house cover.
3.
Disconnect the fuel filler hose (A) and leveling hose (B).
4.
Disconnect the vent hose quick-connector (C).
5.
Remove the ...
Before you start driving, adjust the
rearview mirror to the center on the
view through the rear window.
WARNING
Make sure your line of sight is
not obstructed. Do not place
objects in the rear seat, cargo
area, or behind the rear headrests
which could interfere with
your vision throu ...