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 > Navigation System: Voice is not Recognized
PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT: When the voice command is recognized, the content of the voice command is displayed in the voice r ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Panoramic View Monitor System: ECU Malfunction (C1614)
DESCRIPTION This DTC is stored if the parking assist ECU judges that there is an internal malfunction as a result of its self check. HINT: The parking assist ECU stores different types of information during initialization. If the parking assist ECU cannot read the stored information when activated, ...