Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Problem Symptoms Table

NOTICE:

• If the battery voltage is low, the seat heater system may not operate. When "Operation of Electrical Items Restricted." is not displayed on the multi-information display in the combination meter assembly, check the Data List item "Battery Control Count (Body ECU)".

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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.

Operation Check

OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM (a) Turn the engine switch on (IG). (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch. ...

Terminals Of Ecu

TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY *A w/o Seat Heater System *B w/ Seat Heater System (a) Disconnect the J43 air conditioning amplifier assembly connector. (b) Mea ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Vehicle Stability Control System: Calibration
CALIBRATION DESCRIPTION (a) Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration. Parts to be Replaced / Operation Necessary Operation *1: for Optitron Meter Type *2: for TFT Meter Type Skid control ECU (b ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Safety Connect System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the safety connect system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK HINT: The safety connect system ...