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: Voice Command List
Common Commands: These commands can be used in most operations. (However a few commands may not be available during certain operations) FM/AM radio commands: available during FM, AM radio operation Satellite radio commands: Commands that can be used while listening to Satellite R ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Aux, USB and iPod® port (if equipped)
If your vehicle has an aux and/or USB(universal serial bus) port or iPod port, you can use an aux port to connect audio devices and the USB port to plug in a USB device. Both ports are used together with the accessory iPod cable to connect an iPod. ✽ NOTICE When using a portable audio d ...

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