Ambient Light Sensor: Testing and Inspection

AUTO LIGHT SENSOR
1. Remove the auto light sensor (A) after removing the defroster center cover from upper the crash pad.




2. After ignition switch ON, measure the voltage between terminal No.2 of the auto light sensor harness side connector (B) and body ground.

OK : Sensor power (+5V)


3. Check for continuity between terminal No.1 of the auto light sensor harness side connector (B) and body ground.
4. If the circuit is not as specified, inspect the circuits connected to other parts.