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

Lexus NX Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation 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 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

 Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter

DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter as

SEE MORE:

 Touch Pad Sensor Malfunction (B1559)

DESCRIPTION This DTC is stored if the remote operation controller assembly (remote touch) detects a malfunction in itself, such as internal hardware failure or touch pad sensor malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area B1559 Touch Pad Sensor Malfunction

 Parts Location

PARTS LOCATION ILLUSTRATION *1 AIRBAG ECU ASSEMBLY *2 PARKING BRAKE ECU ASSEMBLY *3 AIR CONDITIONING CONTROL ASSEMBLY *4 HYBRID VEHICLE CONTROL ECU *5 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) *6 ENGINE ROOM RELAY BLOCK - METER NO.1 FUSE *

© 2016-2025 Copyright www.lexunx.com