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Home >> Eagle >> 1991 >> Premier ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> DRB-II Problems & Error Messages >> Blank Message Screen
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Blank Message Screen

  1. Connect DRB-II to a different vehicle. If message screen is still blank, DRB-II or cable adapter are faulty. Substitute to find faulty component.
  2. If message screen is not blank, DRB-II and cable adapter are functioning properly. Inspect diagnostic connector for proper wire placement, damaged terminals or pushed out pins. Repair as necessary.
  3. If diagnostic connector is okay, using an ohmmeter, check resistance between Black/White or Black/Yellow wire and ground at engine diagnostic connector. If resistance is greater than 10 ohms, repair open in Black/White or Black/Yellow wire.
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