Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. 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) Check the battery voltage.

Standard Voltage:

11 to 14 V

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

    Terminals Of Ecu
    TERMINALS OF ECU CHECK POSITION CONTROL ECU AND SWITCH ASSEMBLY LH (a) Disconnect the c5 and c6 position control ECU and switch assembly LH connectors. (b) Measure the voltage and resistance accordin ...

    Dtc Check / Clear
    DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Driver Seat / Troub ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Blind Spot Monitor System: Steering Angle Sensor (C1A47)
    DESCRIPTION The blind spot monitor sensor receives steering angle signals from the steering angle sensor via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area C1A47 Steering Angle Sensor A fail flag is transmitted from the steering angle sensor Stee ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Torque Converter Clutch Pressure Control Solenoid Control Actuator Stuck Off (P27567F)
    DESCRIPTION The ECM controls the shift solenoid valve SLU using a predetermined current, and performs lock-up and flex lock-up control. The ECM compares the engagement condition of the lock-up clutch with the lock-up schedule in the ECM memory to detect mechanical malfunctions of the shift solenoid ...

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

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

    © 2026 Copyright www.lexusrx.net
    0.0113