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 > Navigation System: Extension Module Disconnected 2 (B1543)
DESCRIPTION If the radio receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio receiver assembly confirms that the information is missing by checking past navigation ECU recognition information (registere ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Column Assembly: Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts. If the power steering ECU assembly is subjected to an impact, replace it with a new one. Do not pull the wire harness. Do not allow any moisture to come in ...