Audio System - No Right Side Volume/Bass Using AUX

AUX: Poor audio quality during operation via AUX jack in glove box

Topic number LI82.85-P-045873

Version 3

Design group 82.85 Navigation and communication systems (CNS,
ICS, COMAND, FleetBoard)

Date 02-01-2010

Validity Model 211, 219 as of code 809 (NTG2.5)

Reason for change Remedy, pinning revised / Supersedes DTB P-B-82.85/
678

Reason for block

Complaint:

The following complaints are possible when an audio source is connected via the AUX jack in the glove box:

1. No sound from the right-hand speakers

2. Poor audio quality and no bass on the right-hand side

3. Insufficient sound reproduction, sound is lower that normal when compared with other vehicle using identical aux device.

Cause:

The AUX wiring harness between the head unit and the jack is incorrectly connected

Remedy:

Change pin assignment in connector housing on head unit as described below:

Pin assignment

Old: pin 3: shielding - New: pin 3: shielding - UNCHANGED

Old: pin 4: black - New: pin 4: yellow

Old: pin 9: brown - New: pin 9: black

Old: pin 10: yellow - New: pin 10: brown

Note:
See pictures in attachment





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Symptoms





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Validity





Attachment - Pin assignment