Hyundai Tucson: Air Conditioning System / Photo Sensor Repair procedures

Inspection
1.
Ignition "ON"
2.
Using the scan tool.
3.
Emit intensive light toward 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. Sensor Ground
2. 5V (Vcc)
3. Photo Sensor Signal
4. -
5. Photo Sensor (+)
6. Photo Sensor (-)

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
With the (-) driver, remove the photo sensor (A) from the center of defrost nozzle.

3.
Install in the reverse order of removal.
Photo Sensor Description and Operation
Description 1. The photo sensor is located at the right of defrost nozzle. 2. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its lig ...

Ambient Sensor Description and Operation
Description 1. 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 lowe ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Instrument panel fuse replacement
1. Turn the engine off. 2. Turn all other switches OFF. 3. Open the fuse panel cover. 4. Refer to the label on the inside of the fuse panel cover to locate the suspected fuse location 5. Pull the suspected fuse straight out. Use the removal tool provided in the engine compartment fus ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Interior Body Repair
Interior A Interior B Interior C Interior D ...

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