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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1232 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Dual DVD Rear Seat Entertainment Headrest Remote Inoperative >> Circuit/System Testing
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Circuit/System Testing

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  1. Verify there are no obstructions that may block the infra-red port located above the video display screen.
    • If an obstruction exists, remove the obstruction.
  2. Operate the DVD player in play mode. Press multiple buttons on the remote control in succession and verify the remote is inoperative on every button pressed.
    • If the remote is inoperative, replace the remote batteries.
    • If remote batteries are OK and remote remains inoperative, test with known good remote or replace the remote.
  3. Replace the suspect display screen containing the infra-red port if the remote and batteries are OK.
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