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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 488 (Lighting System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Interior Backlighting Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Dimming Control Signal parameter while operating the dimmer switch from high to low. The reading should change from a high percent to a low percent as the switch is rotated.
    • If the reading does not change, refer to Dimmer Switch Malfunction.
  2. Command the Incandescent Dimming to change intensity with the scan tool. The appropriate incandescent lighting items should change in intensity.
    • If any incandescent lighting items do not change in intensity, refer to Interior Backlighting Malfunction.
  3. Command the LED Dimming to change intensity with the scan tool. The appropriate LED dimming items should change in intensity.
    • If any LED lighting items do not change in intensity, refer to Interior Backlighting Malfunction.
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