| TUCSON(LM) >2012 > G 2.4 DOHC > Heating,Ventilation, Air Conditioning > 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.