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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Cellular Systems, Entertainment Systems & Navigation Systems) >> Diagnostic Information and Procedures >> Radio Poor Reception >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the coax cable from the radio and radio antenna.
  2. Verify the coax connectors are properly secured and free of any damage.
    • If damage is found, repair or replace as necessary.
  3. Test for infinite resistance between the antenna coax center terminal and ground.
    • If less than the specified value, replace the antenna coax.
  4. Test for less than 5 ohms on the antenna coax center terminal from end to end.
    • If greater than the specified range, replace the antenna coax.
  5. Test for less than 5 ohms on the antenna coax outer shield from end to end.
    • If greater than the specified range, replace the antenna coax.
  6. Test for infinite resistance between the coax center terminal and the outer shield.
    • If less than the specified value, replace the antenna coax.
  7. If all circuits test normal, replace the antenna.
  8. Ignition ON, radio ON, verify radio reception has improved.
    • If there is still poor reception, replace the radio.
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