Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2015 - ]: Procedure

1. Disconnect the L38 navigation receiver assembly connector.
2. Disconnect the L163 No. 1 stereo jack adapter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L38-25 (ADPG) - L163-10 (ADPG)	Always	Below 1 Ω
   L38-26 (VAR+) - L163-7 (VAR+)	Always	Below 1 Ω
   L38-28 (VAL+) - L163-8 (VAL+)	Always	Below 1 Ω
   L38-27 (VA-) - L163-9 (VA-)	Always	Below 1 Ω
   L38-11 (AGND) - L163-12 (AGND)	Always	Below 1 Ω
   L38-25 (ADPG) - Body ground	Always	10 kΩ or higher
   L38-26 (VAR+) - Body ground	Always	10 kΩ or higher
   L38-28 (VAL+) - Body ground	Always	10 kΩ or higher
   L38-27 (VA-) - Body ground	Always	10 kΩ or higher
   L38-11 (AGND) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Navigation Receiver Assembly)
   *b	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → Refer to   2