Ambient Light Sensor: Testing and Inspection

AUTO LIGHT SENSOR INSPECTION

NOTE:
- Inspect the auto light sensor from the back side of the connector with the connector still connected.

1. Measure the voltage at auto light sensor terminal A and verify that the voltage is 5 V.

2. Shine a fluorescent light or expose the auto light sensor to natural sunlight.

3. Connect the positive (+) lead to terminal B and the negative (−) lead to terminal C of the auto light sensor, and verify that the voltages are as shown in the table.






- If the voltage is not as specified, replace the auto light sensor.