With the use of the DRB IIIt scan tool, you may
read the CD changer fault codes. Refer to the CD
Changer Fault Codes table.
CD CHANGER FAULT CODES
FAULT DESCRIPTION
CD CHANGER MECHANICAL
FAILURE
MAGAZINE LOAD/EJECT FAILURE, ELEVATOR UP/DOWN FAILURE,
OPTICAL PICK-UP FAILURE, SERVO POWER FAILURE.
CD CHANGER TEMPERATURE
HIGH
OPTICAL HEAD OR LASER OVER TEMPERATURE (149° F).
CD CHANGER PLAY FAILURE SCRATCHED DISC, FOCUS ERROR, DISC REVERSED.
IMPROPER DISC WRONG OR UNKNOWN DISC FORMAT.
For simple diagnosis of the 4 Disc In-Dash CD
Changer, refer to the CD Changer Diagnosis table.
For any further diagnosis, refer to the proper Body
Diagnostic Procedures Manual.
The following tests are to be performed after the
Radio Fuse has been checked and found to be OK.
CD CHANGER DIAGNOSIS
CONDITION POSSIBLE CAUSE CORRECTION
1. CD DOESN’T PLAY
2. CD DOESN’T CHANGE
DISCS
3. CD DOESN’T
LOAD/EJECT
4. CD STOPS PLAYING
5. CD WON’T PLAY AT
ALL
1. CD CHANGER
MECHANICAL FAILURE
(MECHANISM)
2. INSTRUMENT PANEL
TEMPERATURE NOT
WITHIN CD CHANGER
OPERATING RANGE
(-22° F TO 149° F)
3. SCRATCHED DISC
4. FOCUS ERROR
(LASER) DUE TO
FOGGING/MOISTURE
5. DISC INVERTED
6. WRONG OR
UNKNOWN CD FORMAT
(CD-R, CD-ROM, CD-RW,
OR DVD).
7. LOW QUALITY CDR.
1. REPLACE CD CHANGER
2. RETRY CD OPERATION WITHIN PROPER
TEMPERATURE SETTING.
3. RETRY WITH A KNOWN OPERATIONAL CD.
4. RETRY CD OPERATION WITHIN PROPER
TEMPERATURE SETTING.
5. RETRY WITH A KNOWN OPERATIONAL CD.
6. RETRY WITH A KNOWN OPERATIONAL CD.
7. RETRY WITH A KNOWN OPERATIONAL CD.
IF STILL INOPERABLE AFTER TESTING, REPLACE
THE CD CHANGER.
1. NO SOUND WHEN CD
IS PLAYING
1. INCORRECT CD
FORMAT, COMPUTER
INFORMATION ON
MUSIC FORMAT DISC.
1. USING THE SEEK BUTTON, SEEK UP ONE OR
TWO SONGS AND SEE IF THE MUSIC BEGINS TO
PLAY.
2. RETRY WITH A KNOWN OPERATIONAL CD.
IF STILL INOPERABLE AFTER TESTING, REPLACE
THE CD CHANGER.
8F - 14 AUDIO SYSTEMS LH
DIAGNOSIS AND TESTING (Continued)
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