Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Precaution

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 120 seconds before disconnecting the cable from the negative (-) battery terminal.
  • 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 System

    Intelligent Clearance Sonar System

    Parking Assist Monitor System

    Panoramic View Monitor System

    Lighting System (w/ Automatic Headlight Beam Level Control System)

    Power Door Lock Control System

    Power Back Door System (w/ Outside Door Control Switch)

PRECAUTION FOR AUDIO AND VISUAL SYSTEM

NOTICE:

  • When performing the following work, the audio and visual system may restart when turning the engine switch on (ACC) (due to radio receiver assembly and navigation ECU certification).
    • Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
    • The radio receiver assembly or navigation ECU replacement or removal and installation.
  • After replacing the radio receiver assembly, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the navigation ECU.
  • After replacing the navigation ECU, if the "New software is not compatible with the system. Contact your dealer." on-screen message is displayed on the multi-display, update the software of the radio receiver assembly.
    Audio And Visual System (for 12.3 Inch Display)
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - AMP FUSE - ECU-IG1 NO. 8 FUSE - RADIO NO. 1 FUSE - RADIO NO. 2 FUSE ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Rear Power Seat Control System(for Third Row): IG Signal Circuit
    DESCRIPTION Based on the engine switch signal, each fold seat control ECU determines the driving condition of the vehicle and enables or disables the fold and return functions. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Outer Rear View Mirror Glass: Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL OUTER MIRROR (a) Connect the 2 connectors. (b) Engage the clamp. (c) Engage the 4 claws to install the outer mirror. NOTICE: Do n ...

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

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

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