Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [08/2020 - ]: Procedure

1. Disconnect the G106 radio and display receiver assembly connector.
2. Disconnect the G121 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 and Display Receiver Assembly)
   *b	Front view of wire harness connector (to Stereo Jack Adapter Assembly)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G106-2 (US1-) - G121-2 (UDO-)	Always	Below 1 Ω
   G106-3 (US1+) - G121-3 (UDO+)	Always	Below 1 Ω
   G106-5 (USG1) - G121-5 (UJSS)	Always	Below 1 Ω
   G106-2 (US1-) or G121-2 (UDO-) - Body ground	Always	10 kΩ or higher
   G106-3 (US1+) or G121-3 (UDO+) - Body ground	Always	10 kΩ or higher
   G106-5 (USG1) or G121-5 (UJSS) - 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 [08/2020 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR