Operation CHARM: Car repair manuals for everyone.

Ambient Light Sensor: Service and Repair




Automatic Lighting Sensor Test/Replacement

NOTE: Take care not to scratch the dashboard.

1. Pry out the automatic lighting/sun light sensor (A).






2. Turn the ignition switch to ON (II).

3. Measure the voltage between automatic lighting sensor 5P connector terminals No. 3 and No. 5.

- 3.6-3.7 V or more with the sensor out of direct sunlight.
- 3.3-3.5 V or less with the sensor in direct sunlight.

4. If the voltage is not as specified, replace the sensor.