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.

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• 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.

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

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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 > Brake Control / Dynamic Control Systems: Brake Pedal Load Sensing Switch
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE PEDAL SUPPORT ASSEMBLY (a) Make sure that there is no looseness in the locking part and the connecting part of the connector. *a Component without harness connected (Brake Pedal Load Sensing Switch (Brake Pedal S ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: MOST Communication Malfunction (B15D0)
DESCRIPTION Navigation system components communicate with each other via MOST communication. If a line short or short to ground occurs in a MOST communication line, communication will not be possible and the navigation system will not operate normally. After the engine switch is turned on (ACC), if ...