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.

Initialization

INITIALIZATION INITIALIZE PANORAMIC MOON ROOF SYSTEM (FOR SLIDING ROOF) NOTICE: When the sliding roof glass sub-assembly, sliding roof housing panel or slide roof rail sub-assembly is adjusted or r ...

Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Panoramic moon roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfuncti ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Occupant Classification Ecu: On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the occupant detection ECU. PROCEDURE 1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here 2. INSPEC ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Climate Control Seat System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the climate control seat system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer to confirm the problem. Click here ...