LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> Speaker Malfunction (IOR) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. A11 Radio - On
  3. Mute - Off
    4. NOTE:

    The balance and fade controls can be used to help isolate an inoperative speaker or poor sound condition.

  4. Verify the component works as specified: P19 Speaker - All = Clear sound
    • If the component does not work as specified 

      Refer to: Circuit/System Testing

    • Go to next step: If the component works as specified 
  5. All OK.
scientia non olet · About LEMON Manuals