Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to this system before inspecting the suspected areas below.
• The road sign assist system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

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Utility

UTILITY NOTICE: If the forward recognition camera has been replaced due to a malfunction in the road sign assist system, be sure to perform forward recognition camera adjustment. Otherwise all systems ...

Terminals Of Ecu

TERMINALS OF ECU CHECK FORWARD RECOGNITION CAMERA NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Yaw Rate Sensor Signal Bias Level Out of Range / Zero Adjustment Failure (C006328,C006396)
DESCRIPTION for Optitron Meter Type: These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly). for TFT Meter Type: These DTCs are stored when the skid control ECU (bra ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Drive Mode Select Switch Circuit
DESCRIPTION The electronic throttle and the EPS character change by the operation of the drive mode select switch (combination switch assembly). WIRING DIAGRAM PROCEDURE 1. CHECK THE PROBLEM SYMPTOMS (a) Check each symptom by checking the suspected areas in the table below. Result Pro ...