Data Signal Circuit between Radio Receiver and Stereo Jack Adapter [06/2018 - 09/2019]: Procedure

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CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

Disconnect the I115 radio and display receiver assembly connector.
Disconnect the I114 No. 1 stereo jack adapter assembly connector.

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 No. 1 Stereo Jack Adapter Assembly)

Standard Resistance

Tester Connection	Condition	Specified Condition
I115-2 (US1-) - I114-9 (UDO-)	Always	Below 1 Ω
I115-3 (US1+) - I114-10 (UDO+)	Always	Below 1 Ω
I115-5 (USG1) - I114-12 (UJSS)	Always	Below 1 Ω
I115-2 (US1-) or I114-9 (UDO-) - Body ground	Always	10 kΩ or higher
I115-3 (US1+) or I114-10 (UDO+) - Body ground	Always	10 kΩ or higher
I115-5 (USG1) or I114-12 (UJSS) - Body ground	Always	10 kΩ or higher

Result

Proceed to
OK
NG

Result:

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [06/2018 - 01/2019] , or refer to PROBLEM SYMPTOMS TABLE [01/2019 - 03/2019] , or refer to PROBLEM SYMPTOMS TABLE [03/2019 - 09/2019]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR