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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 176 (Entertainment Systems) >> Diagnostic Information and Procedures >> Mobile Entertainment System Auxiliary Audio Degraded or Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF.
  2. Disconnect the mobile entertainment player module. Test for an open, short to ground or short to voltage on the auxiliary audio left and right signals.
  3. Test for an open, short to ground or short to voltage on the auxiliary audio common signal
  4. If the circuits test normal, test or replace the mobile entertainment player module.
  5. If all circuits test normal, test or replace the disk player and video display.
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