Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [06/2018 - 09/2022]: Procedure

1. Disconnect the G102 radio receiver assembly connector.
2. Disconnect the G103 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
   G102-2 (US1-) - G103-2 (UDO-)	Always	Below 1 Ω
   G102-3 (US1+) - G103-3 (UDO+)	Always	Below 1 Ω
   G102-5 (USG1) - G103-5 (UJSS)	Always	Below 1 Ω
   G102-2 (US1-) or G103-2 (UDO-) - Body ground	Always	10 kΩ or higher
   G102-3 (US1+) or G103-3 (UDO+) - Body ground	Always	10 kΩ or higher
   G102-5 (USG1) or G103-5 (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 [06/2018 - 10/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2021 - 09/2022] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR