Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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 malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

  • If the voltage is below 11 V, recharge or replace the battery.
    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 ...

    Terminals Of Ecu
    TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) (a) Disconnect the U2 sliding roof ECU (sliding roof drive gear assembly) connector. (b) Measure the resistance and voltage ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Registration
    REGISTRATION CAUTION / NOTICE / HINT NOTICE: When the automatic transaxle is replaced, the transaxle compensation code must be registered to the ECM (proceed to Procedure 1). After the automatic transaxle is installed, the Quick Response (QR) code label will be positioned where the code cannot be ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Power Seat Control System(for Third Row): How To Proceed With Troubleshooting
    PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understan ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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