Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Key-off Operation Function Operates even if Operating Conditions are not Satisfied

NOTICE:

• If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.

  Click here

• The sliding roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting.

  Click here

• Before replacing the main body ECU (multiplex network body ECU) refer to Registration.

  Click here

Position Initialization Incomplete (B2343)

DESCRIPTION This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized. DTC No. Detection Item DTC Detection Condition Trouble Area B2343 ...

Remote Control System does not Operate

DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or electrical key transmitter sub-assembly. Then, the main body ECU (multip ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Introduction: Identification Information
Vehicle Identification And Serial NumbersVEHICLE IDENTIFICATION AND SERIAL NUMBERS VEHICLE IDENTIFICATION NUMBER (a) The vehicle identification number is stamped on the vehicle body and on the certification label as shown in the illustration. *1 Vehicle Identification Number *2 Certificati ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Precaution
PRECAUTION INITIALIZATION NOTICE: Before replacing the ECM, refer to Registration. Click here Perform Registration (VIN registration) after replacing the ECM. Click here Make sure to perform Reset Memory (A/T initialization), when replacing the automatic transaxle assembly, ECM or engine ...