Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Automatic Transaxle System: Shift Solenoid "B" Circuit Short to Ground (P075511)
DESCRIPTION Changing gears is performed by the ECM turning the shift solenoid valves SL1, SL2, SL3, SL4, SL5, S1 and S2 on and off. If an open or short occurs in any of the shift solenoid valve circuits, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be driven. I ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a short to ground in the outer rear view mirror indicator LH. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB2 Short to GND in Outer Mirror Indicator(Master) Both of the following conditio ...