Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS

HINT:

Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.

  1. Clear the DTCs.

    Click here

  2. Switch the ECM from normal mode to check mode using the Techstream.

    Click here

  3. Perform a simulation test.

    Click here

  4. Check and wiggle the harness(es), connector(s) and terminal(s).

    Click here

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNEC ...

    Basic Inspection
    CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
    DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly. ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Back Door Closer Ecu: Components
    COMPONENTS ILLUSTRATION *A w/o Rear No. 2 Seat *B w/ Rear No. 2 Seat *1 BACK DOOR LOCK COVER *2 BACK DOOR TRIM BASE *3 BACK DOOR TRIM COVER LH *4 BACK DOOR TRIM COVER RH *5 BACK DOOR TRIM PANEL ASSEMBLY *6 BACK WINDOW UPPER PANEL TRIM *7 DOOR PULL HANDLE ...

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

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

    © 2024 Copyright www.lexusrx.net
    0.0138