Kia Cee'd: Troubleshooting / Photo Sensor Repair procedures

Inspection
1.
Turn the ignition switch ON.
2.
Connect the GDS.
3.
Emit intensive light toward the 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. Auto Light Signal
2. Auto Light Ground
3. Photo Signal (RH)
4. LED Power (Battery)
5. LED Ground (To BCM)
6. Photo Signal (LH)
7. Photo Power (SW)
8. Auto Light Power (5V)

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
With a flat-head screwdriver, remove the photo sensor (A) from the center of the defrost nozzle after disconnecting the connector (B).

3.
Install in the reverse order of removal.
Photo Sensor Description and operation
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation recei ...

Ambient Temperature Sensor Description and operation
Description 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 increas ...

Other information:

Kia Cee'd Owners Manual: ISG system malfunction
The system may not operate when: The ISG related sensors or system error occurs. The following will happen: The yellow AUTO STOP () indicator on the instrument cluster will stay on after blinking for 5 seconds. The light on the ISG OFF button will illuminate. ✽ NOTICE ...

Kia Cee'd Service Manual: ISG (Idle Stop & Go) Components and components location
Components Location   1 . Battery sensor 2 . Brake Booster Vacuum Pressure Sensor (BBVPS) 3 . AGM battery 4 . DC DC converter 5 . ISG OFF switch 6. Alternator 7 . Starter 8. Neutral switch 9. Clutch switch 10. Door switch 11 ...

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