Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [11/2013 - 10/2015]: Procedure

1. Disconnect the G143 navigation receiver assembly connector.
2. Disconnect the G145 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
   G143-25 (ADPG) - G145-9 (AUXO)	Always	Below 1 Ω
   G143-26 (VAR+) - G145-6 (ARO)	Always	Below 1 Ω
   G143-28 (VAL+) - G145-7 (ALO)	Always	Below 1 Ω
   G143-27 (VA-) - G145-8 (ASGN)	Always	Below 1 Ω
   G143-11 (AGND) - G145-10 (AGND)	Always	Below 1 Ω
   G143-25 (ADPG) - Body ground	Always	10 kΩ or higher
   G143-26 (VAR+) - Body ground	Always	10 kΩ or higher
   G143-28 (VAL+) - Body ground	Always	10 kΩ or higher
   G143-27 (VA-) - Body ground	Always	10 kΩ or higher
   G143-11 (AGND) - 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 [11/2013 - 10/2015]  . 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR