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. 1 and No. 3.

- About 3.6 V in direct sunlight.
- About 0.2 V when the sensor is covered up.

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

NOTE: In auto mode, the headlights should turn on at about 1.4 V or less, and turn off at about 2.2 V or more.

5. Install the sensor in the reverse order of removal.