Sound Quality is Bad Only when Disc is Played (Volume is Too Low) [10/2022 - ]: Procedure

1. Disconnect the L139 multi-display controller sub-assembly connector.
2. Disconnect the L140 disc player assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L139-11 (R2+) - L140-4 (R+)	Always	Below 1 Ω
   L139-12 (R2-) - L140-3 (R-)	Always	Below 1 Ω
   L139-13 (L2+) - L140-2 (L+)	Always	Below 1 Ω
   L139-14 (L2-) - L140-1 (L-)	Always	Below 1 Ω
   L139-11 (R2+) - Body ground	Always	10 kΩ or higher
   L139-12 (R2-) - Body ground	Always	10 kΩ or higher
   L139-13 (L2+) - Body ground	Always	10 kΩ or higher
   L139-14 (L2-) - Body ground	Always	10 kΩ or higher
   L140-5 (SLD) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR