Input / Output Signal Circuit [12/2017 - 10/2022]: Procedure

1. Disconnect the L7 stereo component equalizer assembly connector.
2. Disconnect the L53 stereo component amplifier assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L7-12 (CH1+) - L53-8 (AN1+)	Always	Below 1 Ω
   L7-26 (CH1-) - L53-16 (AN1-)	Always	Below 1 Ω
   L7-11 (CH2+) - L53-7 (AN2+)	Always	Below 1 Ω
   L7-25 (CH2-) - L53-15 (AN2-)	Always	Below 1 Ω
   L7-10 (CH3+) - L53-6 (AN3+)	Always	Below 1 Ω
   L7-24 (CH3-) - L53-14 (AN3-)	Always	Below 1 Ω
   L7-23 (ASG1) - Body ground	Always	Below 1 Ω
   L7-17 (ACNT) - L53-3 (ACNT)	Always	Below 1 Ω
   L7-12 (CH1+) - Body ground	Always	10 kΩ or higher
   L7-26 (CH1-) - Body ground	Always	10 kΩ or higher
   L7-11 (CH2+) - Body ground	Always	10 kΩ or higher
   L7-25 (CH2-) - Body ground	Always	10 kΩ or higher
   L7-10 (CH3+) - Body ground	Always	10 kΩ or higher
   L7-24 (CH3-) - Body ground	Always	10 kΩ or higher
   L7-17 (ACNT) - 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 [12/2017 - 09/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2018 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR