Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Precaution

PRECAUTION

CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES

CAUTION:

  • People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the smart access system with push-button start antennas. The radio waves may affect the operation of such devices. If necessary, the entry function can be disabled. Ask your dealer for details, such as the frequency of radio waves and timing of the emitted radio waves. Then, consult your doctor to see if you should disable the entry function.

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  • User of any electrical medical device other than implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should consult the manufacturer of the device for information about its operation under the influence of radio waves. Radio waves could have unexpected effects on the operation of such medical devices.
  • Ask your dealer for details for disabling the entry function.

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 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 WHEN USING TECHSTREAM

(a) When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

PRECAUTION FOR REGISTRATION

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

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(1) Certification ECU (smart key ECU assembly)

(2) Steering lock ECU (steering lock actuator or upper bracket assembly)

(3) ECM

(4) Electrical key transmitter sub-assembly

(5) ID code box (immobiliser code ECU)

(6) Main body ECU (multiplex network body ECU)

(7) DCM (telematics transceiver)*

  • *: for Lexus Enform Remote Compatible Type

(b) When the certification ECU (smart key ECU assembly) is replaced, the stored steering lock position will no longer match that of the steering lock ECU (steering lock actuator or upper bracket assembly) and it may not be possible to start the engine. Therefore, after replacement, perform the following procedure.

(1) Move the shift lever to P.

(2) With the engine switch off, open and close a door, and then start the engine.

    Smart Access System With Push-button Start (for Start Function)
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 PARK / NEUTRAL POSITION SWITCH *2 SEMICONDUCTOR PWR INTEGRATION ECU *3 ST RELAY *4 STARTER ASSEMBLY *5 ECM *6 IG2 RELAY *7 IG2 FUSE ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Back Door System (w/ Outside Door Control Switch): Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE NOTICE: If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors have been disconnected, initialize the power back door system. Click here HINT: Use the table below to help determine the cause of problem symptoms. If multip ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Internal Control Module Monitoring Processor Performance Watchdog/Safety MCU Failure (P060A47)
    MONITOR DESCRIPTION The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communications and WDC pulses from the sub CPU. When the signal malfunctions below are detected, this DTC is stored. DTC No. Detection Item DTC Detection Condition ...

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

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

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