Lexus NX: Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / 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 receiver assembly via this circuit.

WIRING DIAGRAM

PROCEDURE

1.

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

(a) Disconnect the I179 radio receiver assembly connector.

*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)

(b) Disconnect the I166 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

I179-2 (US1-) - I166-2 (UDO-)

Always

Below 1 Ω

I179-3 (US1+) - I166-3 (UDO+)

Always

Below 1 Ω

I179-5 (USG1) - I166-5 (UJSS)

Always

Below 1 Ω

I179-2 (US1-) or I166-2 (UDO-) - Body ground

Always

10 kΩ or higher

I179-3 (US1+) or I166-3 (UDO+) - Body ground

Always

10 kΩ or higher

I179-5 (USG1) or I166-5 (UJSS) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION This circuit sends a signal to the stereo component amplifier assembly to mute noise. Because of that, the noise produced by changing the sound source ceases. If there is an open in the ci

 Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver

DESCRIPTION This DCM (telematics transceiver) sends a mute signal to the stereo component amplifier assembly. The stereo component amplifier assembly controls the volume according to the mute signal f

 AVC-LAN Circuit

DESCRIPTION Each audio system component connected to the AVC-LAN (communication bus) transfers switch signals using the audio visual communication local area network. If a short to +B or short to grou

SEE MORE:

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Lane Tracing Assist System DTC No. Detection Item Link C1A7496 Steering Vibrator Component Internal Failure U012587 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message U012687 Lost Communication with Steering

 Screen Flicker or Color Distortion

PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. OK END (DISPLAY SETTING WAS CAUSE OF MALFUNCTION) NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TA

© 2016-2025 Copyright www.lexunx.com