2012 Lexus RX 350 AWDFACTORY OEM SERVICE PROCEDURE

Customize Parameters

  1. CUSTOMIZING FUNCTION WITH TECHSTREAM 

    HINT: 

    The items in the table below can be customized.

    NOTE:
    • When the customer requests a change in a function, first make sure that the function can be customized.
    • Be sure to make a note of the current setting before customizing.
    • When troubleshooting a function, first make sure that the function is set to the default setting.
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Customize Setting / Smart key/Access or Warning.
    5. Select the setting by referring to the table below.
      SMART KEY/ACCESS

      Tester Display Default Content Setting
      Ignition Available Area (Entry ignition available area) All Function to choose the available area for electrical key to start the engine and cancel the steering lock. Front or All*

      *: Weak radio waves will still be emitted from oscillators other than the front oscillator even when the "Front" customize setting is selected.

      WARNING

      Tester Display Default Content Setting
      Key Low Battery Warning ON Function that warns driver that key battery is weak ON or OFF
  2. CUSTOMIZING FUNCTION WITHOUT TECHSTREAM 

    Performing the following procedure disables the smart access system with push-button start.

    HINT: 

    To start the engine while the smart access system with push-button start is disabled, follow the procedure for when the key battery is low. Refer to SYSTEM DESCRIPTION .

    1. The operation procedures are as follows:

      Precondition:

      Engine switch off, driver side door closed and unlocked.

      1. Push the unlock switch of the key once.
      2. Open the driver door within 5 seconds.
      3. Push the unlock switch of the key twice within 5 seconds.
      4. Close and open the driver door twice within 30 seconds.

        (Driver door: Close → Open → Close → Open)

      5. Push the unlock switch of the key twice within 5 seconds.
      6. Close and open the driver door within 30 seconds.

        (Driver door: Close → Open)

      7. Close the driver door within 5 seconds.

        When electrical key cancel is activated, the wireless door lock buzzer sounds twice.

        To return to the original condition, perform the procedures again. When the original condition is returned, the wireless door lock buzzer sounds once.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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