Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Utility

NOTICE:

• When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle and a DTC may be stored.
• When the millimeter wave radar sensor assembly has been replaced with a new one, it is necessary to perform millimeter wave radar sensor assembly adjustment and front radar acceleration sensor calibration, and to clear the vehicle control history.

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How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Before performing troubleshooting for the front radar sensor system, perform troubleshooting for the pre-collision system. Click here *: Use the Techstream. PRO ...

Problem Symptoms Table

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 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 1 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 1 main lines and/or bus 1 branch lines when the resistance between terminals 23 (CA1H) and 8 (CA1L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 23 (CA1H) and 8 (CA1L) of network gateway ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System): Front Left Center Sensor (C1AE2)
DESCRIPTION The front center ultrasonic sensor LH is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor LH. If the front center ultrasonic sensor LH has an open circuit or other malfunction, it will no ...