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Home >> Chevrolet >> 2012 >> Cruze LT, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Lighting System) >> Diagnostic Information and Procedures >> Automatic Light Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition ON, observe the scan tool Ambient Light Sensor parameter. The reading should be between 1.4-4.5 V and change with ambient light changes.
  2. Test the B10B Ambient Light/Sunload Sensor by varying the ambient light while monitoring the sensors voltage output.
  3. Verify that the voltage output is within the range of the specification.
    • If not within the specified range, replace the B10B Ambient Light/Sunload Sensor.