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Hyundai Equus: Photo Sensor Repair procedures - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Photo Sensor Repair procedures

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Photo Sensor Repair procedures

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 rise with higher intensive light and reduce with lower intensive light.

1. Battery
2. LIN (Local Interconnect Network)
3. Ground

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the inside rearview mirror cover (A).

3.
Disconnect the photo sensor (A), and then remove the sensor (B).

4.
Install in the reverse order of removal.
    Photo Sensor Description and Operation
    Description The photo sensor is located at the wind shield glass. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving p ...

    Ambient Temperature Sensor Description and Operation
    Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower te ...

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