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Home >> Chevrolet >> 2019 >> Malibu LS >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> Radio Poor Reception >> Circuit/System Testing

Circuit/System Testing

  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the electrical connector:Coax Cable @ A11 Radio & T23 Radio Antenna Amplifier
  3. Perform the following procedure/test:Coax Cable - Component Testing

    Verify the procedure/test passes.

    • If the component does not work as specified 

      Replace the component:Coax Cable

    • Go to next step: If the components test normal 
  4. Connect the component:Coax Cable @ A11 Radio
  5. Ignition - On / Vehicle - In Service Mode - A11 Radio - ON
  6. Verify a test lamp turns On between the test points:Coax Cable Center @ T23 Radio Antenna Amplifier & Ground
    • If the test lamp does not turn On 
  7. Replace the component:A11 Radio
    • Go to next step: If the test lamp turns On 
  8. Test or replace the component:T23 Radio Antenna Amplifier
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