Lexus RX (RX 350L, RX450h) 2016-2023 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 terminal is reconnected.

    System Name

    See Procedure

    Lane Control 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 replacing the DCM (telematics transceiver), be sure to replace it with a new one (w/ Manual (SOS) Switch).

(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.

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  • Radio receiver assembly*1
  • DCM (telematics transceiver)*2
  • *1: After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, SiriusXM radio ID registration is necessary (w/ SXM Function).

    *2: w/ Manual (SOS) Switch

    Audio And Visual System (for 8 Inch Display)
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG2 NO. 3 FUSE (w/ Manual (SOS) Switch) - DCM FUSE (w/ Manual (SOS) Switch) - E ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Power Mirror Control System (w/ Memory): Mirror Heater does not Operate with Rear Defogger Switch
    DESCRIPTION When the mirror heater switch (rear window defogger switch) is operated, the mirror heater signal is sent to the air conditioning amplifier assembly and then to each outer mirror control ECU assembly via CAN communication. Based on this signal, the outer mirror control ECU assemblies ope ...

    Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Power Back Door Warning System does not Operate
    DESCRIPTION If the power back door warning system does not operate, there may be a malfunction in one of the following: 1) wireless door lock control system, 2) power back door warning buzzer circuit or 3) multiplex network door ECU. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the multiple ...

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

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

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