Hyundai Tucson: Air Conditioning System / 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 light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control module so that the solar radiation compensation will be performed.
In car sensor Repair procedures
Inspection 1. Ignition "ON" 2. Blow air with changing temperature to the in car sensor air inlet. Measure sensor resistance between 1 and 2 terminals. 1. Sensor Ground2. Incar Sensor Signal ...

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 ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: SS-B Solenoid Valve(ON/OFF) Repair procedures
Inspection 1. Turn ignition switch OFF. 2. Disconnect the solenoid valve connector. 3. Measure resistance between sensor signal terminal and sensor ground terminal. 4. Check that the resistance is within the specification. Removal 1. Remove the air cleaner assembly and air d ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Explanation of scheduled  maintenance items
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and filter changes are required. Drive belts Inspect all drive belts for evidence of cuts, cracks, exces ...

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