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

1. Disconnect the F116 navigation receiver assembly connector.
2. Disconnect the F120 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

   *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)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F116-25 (ADPG) - F120-9 (AUXO)	Always	Below 1 Ω
   F116-11 (AGND) - F120-10 (AGND)	Always	Below 1 Ω
   F116-26 (VAR+) - F120-6 (ARO)	Always	Below 1 Ω
   F116-28 (VAL+) - F120-7 (ALO)	Always	Below 1 Ω
   F116-27 (VA-) - F120-8 (ASGN)	Always	Below 1 Ω
   F116-25 (ADPG) - Body ground	Always	10 kΩ or higher
   F116-11 (AGND) - Body ground	Always	10 kΩ or higher
   F116-26 (VAR+) - Body ground	Always	10 kΩ or higher
   F116-28 (VAL+) - Body ground	Always	10 kΩ or higher
   F116-27 (VA-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 11/2016]  Refer to  PROBLEM SYMPTOMS TABLE [11/2016 - ] 

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR