Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001G6UT
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 04/2020]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): Data Signal Circuit between Radio Receiver and Stereo Jack Adapter; 2020 MY Corolla Corolla HV [01/2019 - 04/2020]

Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio and display receiver assembly via this circuit.

WIRING DIAGRAM

PROCEDURE

1.

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

(a) Disconnect the I115 radio and display receiver assembly connector.

(b) Disconnect the I114 No. 1 stereo jack adapter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

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

*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)
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR