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Hyundai Equus Manuals

Hyundai Equus: Ambient Temperature Sensor Repair procedures - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2022 Service ManualHyundai Equus: Ambient Temperature Sensor Repair procedures

Second generation VI (2009–2022) / Hyundai Equus VI 2009-2022 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Ambient Temperature Sensor Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Remove the front bumper.
(Refer to Body - "Front Bumper Cover")
3.
Disconnect ambient temperature sensor.
4.
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. Ambient Sensor (-)

Specification
Ambient temperature
[°C(°F)]
 Resistance between terminal 1 and 2 (kx)
-30 (-22)
480.41
-20 (-4)
271.21
-10 (14)
158.18
0 (32)
95.1
10 (50)
58.8
20 (68)
37.32
30 (86)
23.26
40 (104)
16.13
50 (122)
10.95

5.
If the measured resistance is not within specification, substitute with a known-good ambient temperature sensor and check for proper operation.
6.
Replace the ambient temperature sensor if it is proved that there is a problem with the sensor.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front bumper.
(Refer to Body - "Front Bumper Cover")
3.
Disconnect the smart cruise control unit connector (A).
4.
Loosen the bolts and then remove the smart cruise control unit bracket (B).

5.
Disconnect the connector and then remove the ambient temperature sensor (A).
[Smart Cruise Control system]

[Non-Smart Cruise Control system]

6.
Install in the reverse order of removal.
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