LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1295 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Dual DVD Rear Seat Entertainment Headrest Display Inoperative - One or More >> Circuit/System Testing >> One Display Inoperative (Dual Display)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

One Display Inoperative (Dual Display)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ON the ignition, press the power button on the suspect display. Verify the suspect DVD display does not power up.
    • If the DVD display powers up but the screen is blank and will not play any DVDs, replace the DVD display.
  2. At the DVD control module, touch a test lamp at the back of the suspect black or red connector between terminal 6 and ground. Verify that a test lamp illuminates between terminal 6 and ground.
    • If the test lamp does not illuminate, replace the DVD control module.
  3. At the DVD control module, touch a test lamp at the back of the suspect black or red connector between terminal 5 and B+. Verify that a test lamp illuminates between terminal 5 and B+.
    • If the test lamp does not illuminate, replace the DVD control module.
  4. Disconnect the suspect black or red connector from the suspect DVD display. At the black or red DVD display connector, Test for B+ at terminal 6.
    • If B+ is not present replace the DVD display harness.
  5. At the black or red DVD display connector, test for less than 1.0 ohm between the ground circuit terminal 5 and ground.
    • If greater than the specified range, replace the DVD display harness.
    • If all circuits test normal replace the suspect DVD display.