Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001N249
Model Year Start: 2021 Model: Corolla Prod Date Range: [04/2020 - 09/2022]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): Data Signal Circuit between Radio Receiver and Stereo Jack Adapter; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]

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 NO. 2 ANTENNA CORD SUB-ASSEMBLY (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

(a) Disconnect the x2 radio and display receiver assembly connector.

(b) Disconnect the x1 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

x2-2 (US1-) - x1-9 (UDO-)

Always

Below 1 Ω

x2-3 (US1+) - x1-10 (UDO+)

Always

Below 1 Ω

x2-5 (USG1) - x1-12 (UJSS)

Always

Below 1 Ω

x2-2 (US1-) or x1-9 (UDO-) - Body ground

Always

10 kΩ or higher

x2-3 (US1+) or x1-10 (UDO+) - Body ground

Always

10 kΩ or higher

x2-5 (USG1) or x1-12 (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

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY