Lexus NX: Customize Parameters

Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Entry Function) / Customize Parameters

CUSTOMIZE PARAMETERS

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

HINT:

The following items can be customized.

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.

(a) Customizing with the Techstream

(1) Connect the Techstream to the DLC3.

(2) Turn the power switch on (IG).

(3) Turn the Techstream on.

(4) Enter the following menus: Customize Setting / Wireless Door Lock, Smart Key / Access, Warning or PSD & PBD operation*.

*: w/ Hands Free Power Back Door

(5) Select the setting by referring to the table below.

Wireless Door Lock

Tester Display	Description	Default	Setting	ECU
Wireless Control	Function that turns the wireless door lock control system on or off	ON	0:OFF,1:ON	Main body ECU (Multiplex network body ECU)
Hazard Answer Back	When the doors are locked by the entry lock function, the hazard warning lights flash once. When the doors are unlocked by the entry lock function, the hazard warning lights flash twice.	ON	0:OFF,1:ON	Main body ECU (Multiplex network body ECU)
Open Door Warning	The buzzer sounds when the lock sensor on the door outside handle assembly is touched to perform entry lock with a door open.	ON	0:OFF,1:ON	Main body ECU (Multiplex network body ECU)
Auto Lock Time	Function that regulates the interval between unlocking and automatic relocking of doors.	60 s	00:30 s,01:60 s,10:120 s	Main body ECU (Multiplex network body ECU)
Wireless Buzzer Resp	Wireless buzzer response.	ON	0:OFF,1:ON	Main body ECU (Multiplex network body ECU)
Wireless Buzzer Vol	Buzzer answer-back volume.	Level5	0000:Level7,0001:Level6,0010:Level5,0011:Level4,0100:Level3,0101:Level2,0110:Level1,0111:Level0	Main body ECU (Multiplex network body ECU)

Warning

Tester Display	Description	Default	Setting	ECU
Key Low Battery Warning	Enables or disables the sounding of the buzzer when the transmitter battery is low and the power switch is turned off after being on (IG) for 20 minutes or more.	ON	0:OFF,1:ON	Certification ECU (Smart key ECU assembly)

Smart Key / Access

Tester Display	Description	Default	Setting	ECU
Park Wait Time	Function that sets the period of time (lock confirmation time) that the door is prevented from being unlocked by operating the front door outside handle assembly after an entry lock operation is performed.	2.5s	00:0.5s,01:1.5s,10:2.5s,11:5s	Certification ECU (Smart key ECU assembly)
Ignition Available Area	Function that sets the area that the key must be in before the power switch can be operated.	All	00:Front,01:All	Certification ECU (Smart key ECU assembly)
Back Door Opening Operation	Function that sets the back door when the user is carrying the electrical key transmitter sub-assembly and presses the back door opener switch assembly (open switch).	Long	00:Long,01:Twice,10:OFF	Certification ECU (Smart key ECU assembly)
Door Unlock Mode2	Function that sets which doors are unlocked by the entry unlock function.	Driver	0:All,1:Driver	Certification ECU (Smart key ECU assembly)
Touch Activation Over Threshold	The function that limits the consecutive entry lock operation to only 2 times can be changed between Active and Not Active. When in Not Active mode, there is no limit for the number of times that the consecutive entry lock operation can be performed.	Active	0:Active,1:Not Active	Certification ECU (Smart key ECU assembly)
Engine Start Indicator	Function that turns the entry warning light on the combination meter assembly on or off.	ON	0:OFF,1:ON	Certification ECU (Smart key ECU assembly)

PSD & PBD operation

Tester Display	Description	Default	Setting	ECU
Kick Sensor Function	Function that enables/disables the touchless power back door.*	ON	0:OFF,1:ON	Multiplex network door ECU
Kick Sensor Operation with ACC ON	Status of the touchless power back door function with power switch on (ACC).*	Available	0:Available,1:Not Available	Main body ECU (multiplex network body ECU)

*: w/ Hands Free Power Back Door

(b) Customizing with the multi-display

(1) Turn the power switch on (IG).

(2) Enter the following menus: SETUP / Vehicle / Vehicle customization / Door lock settings.

(3) Select the setting by referring to the table below.

Display	Default	Content	Setting	Relevant ECU
Select Doors to Unlock	Driver's Door	Function that sets which doors are unlocked by the entry unlock function.	All Doors or Driver's Door	Certification ECU (Smart key ECU assembly)
Auto Relock Timer	60 sec.	Function that turns the auto lock function on or off.	Off, 30 sec., 60 sec. or 120 sec.	Main body ECU (Multiplex network body ECU)
Lock/Unlock Feedback-Lights	On	When the doors are locked by the entry lock function, the hazard warning lights flash once. When the doors are unlocked by the entry lock function, the hazard warning lights flash twice.	On or Off	Main body ECU (Multiplex network body ECU)
Lock/Unlock Feedback-Tone	5	Buzzer answer-back volume.	Off, 1, 2, 3, 4, 5, 6 or 7	Main body ECU (Multiplex network body ECU)
KICK SENSOR*	Function that can be used to set the hands free power back door.	On	On or Off	Multiplex network door ECU

*: w/ Hands Free Power Back Door

(1) The following entry unlock modes can be selected when using the entry unlock mode switching function.

All door unlock mode: When the sensor of a front door outside handle assembly is touched, an entry unlock operation is performed simultaneously for all doors.
Driver door unlock mode: When the sensor of the driver side door outside handle assembly is touched, an entry unlock operation is performed for the driver door only. If any other door handle is touched, an entry unlock operation is performed simultaneously for all doors.

(2) When customizing through manual operation:

Turn the power switch off.
Check that the LED of the electrical key transmitter sub-assembly is not illuminated, and then press and hold the lock and unlock switches of the electrical key transmitter sub-assembly for 5 seconds or more while the electrical key transmitter sub-assembly is in the actuation area.

Check the current setting.

HINT:

The mode changes from all door unlock mode to driver door unlock mode and then back to all door unlock mode.

The answer-back (wireless buzzer, buzzer in the combination meter assembly) operation for each mode is indicated in the table below.

Currently Selected Mode	Answer-back (Wireless Buzzer)	Answer-back (Buzzer in Combination Meter Assembly)
All door unlock mode	Buzzer sounds twice (short beeps)	Buzzer sounds once
Driver door unlock mode	Buzzer sounds 3 times (short beeps)	Buzzer sounds once

Release the lock and unlock switches of the electrical key transmitter sub-assembly.
Check that the LED of the electrical key transmitter sub-assembly is not illuminated, and then press and hold the lock and unlock switches of the electrical key transmitter sub-assembly for 5 seconds or more to change the mode.
HINT:

Repeat the procedure as necessary to select the desired mode.
Unlock the doors with the wireless operation, and then open any door.

(d) 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 with the wireless operation, and the start system can be operated by holding the electrical key transmitter sub-assembly near the power switch.

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

Entry unlock/lock functions
Push-button start function
Key lock-in prevention function
Entry warning functions

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

Make sure the following conditions are met:
- The power 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 step above (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 step above.

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 step above.

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

Perform the procedure to cancel the smart access system with push-button start again.
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.

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