Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Customize Parameters

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Start Function) / Customize Parameters

CUSTOMIZE PARAMETERS

CUSTOMIZE SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function)

NOTICE:

  • When the customer requests a change in a function, first make sure that the function can be customized.
  • Record the current settings before customizing.

HINT:

The following items can be customized.

(a) Customizing with the Techstream

(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

Description

Default

Setting

ECU

Ignition Available Area

Function that sets the area that the electrical key transmitter sub-assembly must be in before the engine switch can be operated.

All

00:Front,01:All

Certification ECU (smart key ECU assembly)

Engine Start Indicator

Function that turns the key indicator display on the multi-information display on or off.

ON

0:OFF,1:ON

Certification ECU (smart key ECU assembly)
Warning

Tester Display

Description

Default

Setting

ECU

Key Low Battery Warning

Function that enables or disables the sounding of the buzzer when the transmitter battery is low and the engine switch is turned off after being on (IG) for 20 minutes or more.

ON

0:OFF,1:ON

Certification ECU (smart key ECU assembly)

(b) Entry cancel function (manual operation)

HINT:

While the smart access system with push-button start is canceled, it is possible to lock and unlock the doors using the wireless operation, and the start system can be operated by holding the electrical key transmitter sub-assembly near the engine switch.

(1) The following functions are disabled when the smart access system with push-button start is canceled.

  1. Entry unlock/lock functions
  2. Push-button start function
  3. Key lock-in prevention function
  4. Entry warning functions

(2) When canceling the smart access system with push-button start through manual operation:

  1. Make sure the following conditions are met:
    • The engine switch is off.
    • The driver door is closed.
    • The driver door is unlocked.

(3) Press the unlock switch of the electrical key transmitter sub-assembly.

(4) Open the driver door within 5 seconds of completing the previous step (driver door: closed → opened).

(5) With the driver door open, press the unlock switch of the electrical key transmitter sub-assembly 2 times within 5 seconds of completing the previous step.

NOTICE:

If the driver door is closed before or while pressing the unlock switch, the entry cancel setting mode will end.

(6) Perform the following procedure within 30 seconds of completing the previous step.

  1. Close and open the driver door twice (driver door: open → closed → opened → closed → opened).
  2. With the driver door open, press the unlock switch of the electrical key transmitter sub-assembly 2 times.

    NOTICE:

    If the driver door is closed before or while pressing the unlock switch, the entry cancel setting mode will end.

  3. Close and open the driver door (driver door: open → closed → opened).

(7) Close the driver door within 5 seconds (driver door: open → closed).

(8) Check that the wireless buzzer sounds twice (short beeps) to confirm that the smart access system with push-button start has been canceled.

(9) Perform the following procedure to restore the smart access system with push-button start to the active state from the canceled state.

  1. Perform the procedure to cancel the smart access system with push-button start again.
  2. Check that the wireless buzzer sounds once (short beep) to confirm that the smart access system with push-button start has been restored to the active state.

    HINT:

    • The system changes between the canceled state and the active state each time the procedure to cancel the system through manual operation is performed.
    • The buzzer sounds twice when the system changes from the active state to the canceled state, and sounds once when the system changes from the canceled state to the active state.
    Operation Check
    OPERATION CHECK NOTICE: Make sure that the smart access system with push-button start (for Start Function) has not been canceled before performing this inspection. Click here OPERATION DESCRIPTION ( ...

    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 ...

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