Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Entry Interior Alarm does not Sound

NOTICE:

• The smart access system with push-button start (for Entry Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart access system with push-button start (for Entry Function) after confirming that the communication systems are functioning properly.

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• 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.

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• After repair, confirm that no DTCs are output.

Driver Side Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the driver door only, the request code may not be being transmitted from the driver door or the front door outside handle assembly ...

Back Door Entry Unlock Function does not Operate

DESCRIPTION If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case, ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Noise Filter (w/ Rear No. 2 Seat): Components
COMPONENTS ILLUSTRATION *1 COOLER (NO. 2 ROOM TEMP. SENSOR) THERMISTOR *2 DECK TRIM SIDE PANEL ASSEMBLY LH *3 FRONT DECK SIDE TRIM COVER LH *4 NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY *5 NO. 1 LUGGAGE COMPARTMENT TRIM HOOK *6 NO. 2 AIR CONDITIONING CONTROL ASSEMBLY ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intelligent Clearance Sonar System: G Sensor Failure (C1647)
DESCRIPTION The clearance warning sonar ECU assembly communicates with the airbag sensor assembly*1 or yaw rate and acceleration sensor*2 via CAN communication, and if it is determined that the airbag sensor assembly*1 or yaw rate and acceleration sensor*2 is malfunctioning, DTC C1647 is stored. ...