Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Drive Shaft / Propeller Shaft: Propeller Shaft System
Problem Symptoms TablePROBLEM 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 c ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Occupant Classification System: Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant detection ECU and passenger side buckle switch (front seat inner belt assembly RH). DTC B1771 is stored when a malfunction is detected in the passenger side buckle switch circuit. DTC No. Detection Item DTC Detectio ...