Lexus RX (RX 350L, RX450h) 2016-2025 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 60 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

    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)

(a) If the cable has been disconnected from the negative (-) battery terminal before 60 seconds has elapsed, it is necessary to initialize the system. To initialize the system, perform the following procedures:

  1. Move the vehicle to an open area with good GPS reception.

    HINT:

    The GPS icon is displayed on the map screen when the reception is good.

  2. Turn the engine switch on (IG), and then wait several minutes while the system acquires time and location data and activates Destination Assist and Destination.

PRECAUTION FOR REGISTRATION

(a) If replacing any of the following parts, refer to Registration.

Click here

(1) DCM (telematics transceiver)

    Lexus Enform System
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *A w/ Navigation System - - *1 DCM (TELEMATICS TRANSCEIVER) *2 FRONT NO. 3 SPEAKER ASSEMBLY *3 DLC3 *4 RADIO RECEIVER ASSEMBLY *5 NAVIGA ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Wireless Door Lock Control System: Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Wireless Door Lock Control System DTC No. Detection Item Link B1242 Wireless Door Lock Tuner Circuit Malfunction ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Left Low Beam Fan Malfunction (B243D,B243E)
    DESCRIPTION The No. 1 headlight ECU sub-assembly operates the low beam fan to cool the headlight LED unit in order to prevent the headlight LED unit from overheating. Illuminates the low beam headlights and continuously operates the low beam fan. The No. 1 headlight ECU sub-assembly monitors the pul ...

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

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

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