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

1. Disconnect the K119 radio receiver assembly connector.
2. Disconnect the K118 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 Radio Receiver Assembly)
   *b	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K119-2 (US1-) - K118-2 (US1-)	Always	Below 1 Ω
   K119-3 (US1+) - K118-3 (US1+)	Always	Below 1 Ω
   K119-5 (USG1) - K118-5 (USG1)	Always	Below 1 Ω
   K119-2 (US1-) or K118-2 (US1-) - Body ground	Always	10 kΩ or higher
   K119-3 (US1+) or K118-3 (US1+) - Body ground	Always	10 kΩ or higher
   K119-5 (USG1) or K118-5 (USG1) - 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 [10/2015 - 09/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2017 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR