Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Utility

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Before performing troubleshooting for the road sign assist system, make sure that the pre-collision system and lane control system are not malfunctioning. Pre-collisio ...

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) 2016-2023 Repair Manual > Smart Access System With Push-button Start (for Entry Function): Back Door Entry Lock Function does not Operate
DESCRIPTION If the entry lock function does not operate for the back door only, but the entry unlock function operates, the request code is being transmitted properly from the back door. In this case, there may be a problem related to the lock switch (connection between the back door opener switch a ...

Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Lin Communication System: P/W Master Switch Communication Stop (B1206)
DESCRIPTION This DTC is stored when LIN communication between the multiplex network master switch assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B1206 P/W Master Switch Communication Sto ...