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Testing Procedure

  1. Verify customer concern. Confirm which, if any, warning lights and/or messages were displayed on the instrument cluster. See Figure.
  2. Ensure battery and charging system are operating properly. Record DTCs and freeze-frame data. See RETRIEVING CODES .
  3. Visually inspect for obvious signs of mechanical or electrical damage.
  4. Perform appropriate drive cycle to confirm repair. See DRIVE CYCLES . Recheck for DTCs.
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