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 > Vehicle Stability Control System: Right Front Wheel Speed Sensor Signal Stuck Low (C050623)
    DESCRIPTION Refer to DTC C05061F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area C050623 Right Front Wheel Speed Sensor Signal Stuck Low Any of the following is detected: When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mp ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Air Mix Damper Control Servo Motor Circuit (Rear) (B1447/47)
    DESCRIPTION The Rear No. 2 cooling unit damper servo sub-assembly sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals to move the Rear No. 2 cooling unit d ...

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

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

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