Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

Lexus RX (RX 350L, RX450h) 2016-2026 Repair 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 J169 radio receiver assembly connector.

(b) Disconnect the J170 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

J169-2 (US1-) - J170-2 (UDO-)

Always

Below 1 Ω

J169-3 (US1+) - J170-3 (UDO+)

Always

Below 1 Ω

J169-5 (USG1) - J170-5 (UJSS)

Always

Below 1 Ω

J169-2 (US1-) or J170-2 (UDO-) - Body ground

Always

10 kΩ or higher

J169-3 (US1+) or J170-3 (UDO+) - Body ground

Always

10 kΩ or higher

J169-5 (USG1) or J170-5 (UJSS) - Body ground

Always

10 kΩ or higher

*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)
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Speaker Circuit
    DESCRIPTION If there is a short in a speaker circuit, the stereo component amplifier assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers even if there is ...

    Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver
    DESCRIPTION The 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 fr ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Lock System: System Description
    SYSTEM DESCRIPTION UNLOCK OPERATION CONDITIONS FOR STEERING LOCK (a) When the following condition is met, the unlock operation is performed. The engine switch is on (ACC) or on (IG). HINT: When the engine switch is turned on (ACC) or on (IG) and the key and certification ECU (smart key ECU assemb ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Door Belt Moulding: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear door belt moulding removal/installation are shown below. Necessary Procedures After Parts Removed/I ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0132