Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

Lexus RX (RX 350L, RX450h) 2016-2025 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

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