Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [11/2017 - ]: Procedure

1. Disconnect the O162 radio receiver assembly connector.
2. Disconnect the O163 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
   O162-2 (US1-) - O163-2 (UDO-)	Always	Below 1 Ω
   O162-3 (US1+) - O163-3 (UDO+)	Always	Below 1 Ω
   O162-5 (USG1) - O163-5 (UJSS)	Always	Below 1 Ω
   O162-2 (US1-) or O163-2 (UDO-) - Body ground	Always	10 kΩ or higher
   O162-3 (US1+) or O163-3 (UDO+) - Body ground	Always	10 kΩ or higher
   O162-5 (USG1) or O163-5 (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 [11/2017 - 10/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2018 - 11/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [11/2019 - 10/2022]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR