Kia Cee'd Quiz
Heating, Ventilation, and Air Conditioning

Photo Sensor Repair Procedures

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 15Maintenance — 7Engine Mechanical System — 84Engine Electrical System — 49Emission Control System — 22Fuel System — 95Clutch System — 28Manual Transmission — 21Dual Clutch Transmission (DCT) System — 47Drive Shaft and Axle — 20Suspension System — 36Steering — 23Restraints — 39Brake System — 54Body (Interior and Exterior) — 209Body Electrical System — 254Heating, Ventilation, and Air Conditioning — 56
7steps
~42min
2/5difficulty
Done 0 of 7

Inspection

  1. Turn the ignition on.
  2. Connect the GDS.
  3. Direct intense light onto the photo sensor using a lamp, and check the change in output voltage.
  4. The voltage will increase with brighter light and decrease with lower light intensity.
    1. Automatic light signal
    2. Automatic light ground
    3. Photo signal (right)
    4. LED power (battery)    		 5. LED ground (to BCM)
    6. Photo signal (left)
    7. Photo power (SW)
    8. Automatic light power (5 V)

Replacement

  1. Disconnect the negative (-) battery terminal.
  2. Using a flat-blade screwdriver, remove the photo sensor (A) from the center of the defroster nozzle after disconnecting the connector (B).
  3. Install in the reverse order of removal.

Test yourself

A quick Kia Cee'd quiz: every answer comes with an explanation and a link to the manual page.