Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [08/2015 - 08/2019]: Procedure

1. Disconnect the G40 navigation receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the G53 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
   G40-2 (US1-) - G53-2 (UDO-)	Always	Below 1 Ω
   G40-3 (US1+) - G53-3 (UDO+)	Always	Below 1 Ω
   G40-5 (USG1) - G53-5 (UJSS)	Always	Below 1 Ω
   G40-2 (US1-) - Body ground	Always	10 kΩ or higher
   G40-3 (US1+) - Body ground	Always	10 kΩ or higher
   G40-5 (USG1) - 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)

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR