For 1990-2009 cars

Step | Action | Normal Results | Abnormal Results
--- | --- | --- | ---
1 |

1. Turn the ignition switch to the RUN position.
2. Turn the radio ON.
3. Manually operate all functions of the radio, including the station seek and the station scan, and all of the tone controls.

• | Radio display is on and displays the clock or the radio information.

• | Radio turns on.

• | All speakers are working.

• | All radio controls operate correctly.

• | Display dims with the instrument panel dimmer switch.

• | Radio Display Inoperative, No Sound from Speakers

• | Speakers Inoperative - One or More

2 | The radio, the cassette player, or the CD player is in the radio mode. | Reception of local radio stations is satisfactory. | Antenna Inoperative - Fixed Mast
3 | Insert a known good cassette tape into the cassette player. | The cassette plays, and sound is heard from the speakers. |

• | Tape Player Inoperative

• | Tape Player Weak, Slow, or Garbled Output

4 | Insert a known good CD into the CD Player. | The CD player operates, and sound is heard from the speakers. | Compact Disc Inoperative
5 | The radio, the cassette player, or the CD player is in operation. |

• | All speakers are heard.

• | All the speakers operate clearly.

• | Speaker Noise

• | Speakers Inoperative - One or More