NO.3 CD PLAYER DOES NOT PLAY THE CD/NO SOUND [CD PLAYER]

id0903k3992000

3 | CD player does not play the CD/No sound
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Possible DTC | Using the M-MDS | B1188:64
Without using M-MDS (On-board diagnostic test mode) | 10:Er07
Possible cause | • CD is inserted upside down • Defective CD (e.g., cracked, badly bent, rough edges, scratch, dirty CD, condensation) • Non-conventional discs (e.g., 8 cm (3 in) disc adapter, heart-shaped disc, octagonal disc) • Audio unit malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | • Can the disc in which the malfunction occurs be specified? | Yes | The system is normal. (Explain to the customer that the cause is a disc that is damaged or dirty on the playback side, or warped.)
No | Go to the next step.
2 | • Turn the radio ON and inspect that there is sound. • Is there sound? Note • Check for the volume dial position. | Yes | Go to the next step.
No | Go to the symptom troubleshooting NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM]. (See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].)
3 | • Was CD inserted properly, label-side up? | Yes | Go to the next step.
No | Explain to the customer that CD should be inserted into the slot, label-side up.
4 | • Visually inspect the CD. ― Is there any dirt, scratch or deformation on the CD? ― Is the CD a non-conventional disc? ― Is there a CD in MP3/WMA recording? | Yes | Explain to the customer that the defective CD or non-conventional disc cannot be use.
No | Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)