Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION

This circuit includes the navigation ECU and radio receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the J149 radio receiver assembly connector.

(b) Disconnect the J153 navigation ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J149-7 (SUP) - J153-21 (SUP)

Always

Below 1 Ω

J149-7 (SUP) or J153-21 (SUP) - 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

    Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
    DESCRIPTION This circuit includes the navigation ECU and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disco ...

    Microphone Circuit
    DESCRIPTION The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio receive ...

    Other materials:

    Chevrolet Trax (2013-2022) Owner's Manual > Vehicle Care: General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: California Proposition 65 Warning Most motor vehicles, including this one, contain and/or emit chemicals known to the State of C ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Precaution
    PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...

    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
    0.0229