Lexus RX (RX 350L, RX450h) 2016-2024 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:

    Lexus RX (RX 350L, RX450h) 2016-2024 Owners Manual > Basic operation of the Remote Touch screen: Remote Touch
    The Remote Touch can be used to operate the Remote Touch screens. For details, refer to the "NAVIGATION SYSTEM OWNER'S MANUAL". Vehicles with 8-inch display Vehicles with 12.3-inch display "HOME" button Press this button to display the home screen. * button Press this button t ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Television Camera (for Rear): Installation
    INSTALLATION PROCEDURE 1. INSTALL REAR TELEVISION CAMERA ASSEMBLY (a) Push the television camera assembly in the direction indicated by the arrow (1) to engage the guide and push it in the direction indicated by the arrow (2) to engage the claw and install the television camera assembly. Inst ...

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

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

    © 2024 Copyright www.lexusrx.net
    0.0143