Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [04/2013 - 09/2020]: Procedure

1. Disconnect the K59 radio receiver assembly connector.
2. Disconnect the K68 No. 1 stereo jack adapter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K59-16 (ADPG) - K68-1 (ADPG)	Always	Below 1 Ω
   K59-5 (AGND) - K68-7 (AGND)	Always	Below 1 Ω
   K59-7 (VAR+) - K68-2 (VAL-)	Always	Below 1 Ω
   K59-8 (VAL+) - K68-3 (VAL+)	Always	Below 1 Ω
   K59-15 (VA-) - K68-4 (VA-)	Always	Below 1 Ω
   K59-16 (ADPG) - Body ground	Always	10 kΩ or higher
   K59-5 (AGND) - Body ground	Always	10 kΩ or higher
   K59-7 (VAR+) - Body ground	Always	10 kΩ or higher
   K59-8 (VAL+) - Body ground	Always	10 kΩ or higher
   K59-15 (VA-) - 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 [04/2013 - 09/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2018 - 09/2020] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR