Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio receiver assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the J151 and J148 radio receiver assembly connectors.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

J148-1 (GND1) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

J148-4 (+B1) - J148-1 (GND1)

Always

11 to 14 V

J148-15 (ACC1) - J148-1 (GND1)

Engine switch on (ACC)

11 to 14 V

J151-19 (IG) - J148-1 (GND1)

Engine switch on (IG)

11 to 14 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Visual Mute Signal Circuit between Radio Receiver and Multi-display
    DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is displayed when the screen changes so that noise and distorted images ar ...

    Front Door Speaker
    ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Headlight Assembly: Repair
    REPAIR CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. If the installation area of the headlight assembly is damaged, use a supply retainer for a low-cost repair. Ensure that the headlight assembly is not damaged. ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Airbag System: Short in P Squib (Dual Stage - 2nd Step) Circuit (B1815-B1818)
    DESCRIPTION The front passenger squib 2nd step circuit consists of the airbag sensor assembly and instrument panel passenger airbag assembly. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected in ...

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

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

    Chevrolet Trax (2013-2022) Owner's Manual

    © 2023 Copyright www.lexusrx.net
    0.0166