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

1. Disconnect the G91 navigation receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the G44 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
   G91-2 (UDO-) - G44-2 (UDO-)	Always	Below 1 Ω
   G91-3 (UDO+) - G44-3 (UDO+)	Always	Below 1 Ω
   G91-5 (USG1) - G44-5 (USG1)	Always	Below 1 Ω
   G91-2 (UDO-) - Body ground	Always	10 kΩ or higher
   G91-3 (UDO+) - Body ground	Always	10 kΩ or higher
   G91-5 (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 [11/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR