GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Body and Accessories 🢒 Entertainment 🢒 Diagnostic System Check - Radio/Audio System

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
    • Turn the ignition switch to the RUN position.
    • Turn the radio ON.
    • The radio is ON.
    • All the speakers are operating correctly.
    •  Radio Poor Reception

2
  • Turn the headlamp switch to the PARK position.
    • The radio display dims.
    • The radio face lights.
    • The radio buttons lights.

3
    • Insert a test compact disc into the radio and/or multi-disc CD player.
    • Insert a test cassette tape into the radio and/or tape player.
    • The compact disc functions normally.
    • The cassette tape functions normally.
    •  Compact Disc Skip

4
  • Operate the radio from the radio control switches on the steering wheel.
  • The radio functions normally.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.