Radio/Audio System Check
Step
| Action
| Normal Result(s)
| Abnormal Result(s)*
|
1
|
- Turn the ignition switch to the ON position.
- Turn the radio ON.
- Position tuner on a strong radio station.
- Set the volume control to medium.
|
- (Convertible) Antenna mast extends out from right rear quarter
panel.
- Radio display illuminates and sound is heard from speakers.
|
• | Antenna Inoperative (Convertible). |
• | Poor Reception (Coupe). |
• | Speaker Noise-Accessory (Electro Magnetic Interference). |
• | No Display, No Sound from Speakers. |
|
2
|
- Turn the FADE control to the front speakers and then to the rear
speakers.
- Return FADE control to the neutral position.
|
- Only front speakers are heard.
- Only rear speakers are heard.
- Front and rear speakers are heard.
|
• | Speakers Inoperative-One or More (Front Subwoofers). |
• | Speakers Inoperative-One or More (Front Midrange Speakers). |
• | Speakers Inoperative-One or More (Rear Speakers). |
|
3
|
- Turn the BAL control to the left side speakers and then to the
right side speakers.
- Return BAL control to the neutral position.
|
- Only left side speakers are heard.
- Only right side speakers are heard.
- Left and right side speakers are heard.
|
• | Speakers Inoperative-One or More (Front Subwoofers). |
• | Speakers Inoperative-One or More (Front Midrange Speakers). |
• | Speakers Inoperative-One or More (Rear Speakers). |
|
4
|
- Depress the RECALL button.
- Adjust BASS control to the high and low position.
- Adjust TREB control to the high and low position.
- Return BASS and TREB control buttons to the neutral position.
- Depress the AUTO TONE button seven times.
|
- Radio display toggles between the tuner and the clock.
- Music attenuates between high and low bass frequencies.
- Music attenuates between high and low treble frequencies.
- Music returns to nominal bass and treble frequencies.
- Auto tone cycles through the following presets:
| No response
from radio when a button is adjusted or pressed (REPLACE THE RADIO).
|
5
| Insert a
known good cassette tape into the cassette player.
| Cassette plays and sound is heard from speakers.
| Tape Player
Inoperative.
|
6
|
- Press the NEXT or SEEK> button.
- Press the PREV or <SEEK button.
- Press the FWD button.
- Press the REV button.
- Press the DOLBY® button ON and OFF.
- Press the TAPE/AUX button.
- Press the cassette EJECT button.
|
- Cassette moves to next selection and plays.
- Cassette moves to previous selection and plays.
- Cassette will fast forward.
- Cassette will reverse.
- Dolby® symbol on display will toggle ON/OFF.
- Sound will toggle between the radio tuner and the cassette player.
- Cassette player will eject tape.
|
• | Tape Player Inoperative. |
• | No response from radio when a button is depressed (REPLACE THE
RADIO). |
|
7
| (Single
disc CD player) Insert a known good CD into the CD player.
| CD plays and sound is heard
from speakers.
| Compact Disc Inoperative.
|
8
|
- Press the NEXT or SEEK> button.
- Press the PREV or <SEEK button.
- Press the FWD button.
- Press the REV button.
- Press the AM/FM button.
- Press the CD/AUX button.
- Press the CD EJECT button.
|
- CD moves to next selection and plays.
- CD moves to previous selection and plays.
- CD will fast forward.
- CD will reverse.
- Sound will toggle between the CD player and the radio tuner.
- Sound will toggle back to CD player.
- CD player will eject CD.
|
• | Compact Disc Inoperative. |
• | No response from radio when a button is depressed (REPLACE THE
RADIO). |
|
9
|
- (12-disc remote CD player) Ensure that CD changer magazine is
loaded and installed.
- Press the CD/AUX button.
| Remote CD
changer plays and sound is heard from speakers.
| Remote CD Changer Is Inoperative.
|
10
|
- Press the NEXT or SEEK> button.
- Press the PREV or <SEEK button.
- Press the FWD button.
- Press the REV button.
- Press the AM/FM button.
|
- CD moves to next selection and plays.
- CD moves to previous selection and plays.
- CD will fast forward.
- CD will reverse.
- Sound will toggle between the CD player and the radio tuner.
|
• | Remote CD Changer Inoperative. |
• | No response from radio when a button is depressed (REPLACE THE
RADIO). |
|
11
|
- Position the Speed Compensated Volume (SCV) control ring from
OFF to position one.
- Drive the vehicle in varying stop and go conditions.
- Position the Speed Compensated Volume (SCV) control ring from
position one to position two.
- Drive the vehicle in varying stop and go conditions.
- Position the Speed Compensated Volume (SCV) control ring from
position two to position three.
- Drive the vehicle in varying stop and go conditions.
|
- Volume of radio increases mildly with a slight delay as vehicle
accelerates.
- Volume of radio increases louder with a slight delay as vehicle
accelerates.
- Volume of radio increases louder without a delay as vehicle accelerates.
| Speed Compensated
Volume does not work correctly (Go to Scan Tool Does Not Communicate with
Component, see Data Link Connector Diagnostic Information and Procedures).
|
* Refer to the appropriate symptom diagnostic table for the applicable
abnormal result.
|