NOTICE THIS LSC EXPIRES ON NOVEMBER, 30 2019

TECHNICAL INSTRUCTIONS
FOR
SPECIAL SERVICE CAMPAIGN GLL
POWER REAR HATCH MUTIPLEX ECU
CERTAIN 2016 MODEL YEAR RX 350 & RX 450h

The repair quality of covered vehicles is extremely important to Lexus. All dealership technicians
performing this recall are required to successfully complete the most current version of the E-Learning
course “Safety Recall and Service Campaign Essentials”. To ensure that all vehicles have the repair
performed correctly:





Certified
Senior
Master
Diagnostic Specialist

It is the dealership’s responsibility to select technicians with the above certification level or greater to
perform this recall repair. Carefully review your resources, the technician skill level, and ability before
assigning technicians to this repair. It is important to consider technician days off and vacation
schedules to ensure there are properly trained technicians available to perform this repair at all times.

I.

OPERATION FLOW CHART
Verify Vehicle Eligibility
1. Check the TIS Vehicle Inquiry
System.

Not Involved

No further action required.

Invoved

Record customized settings.

Replace the rear hatch multiplex ECU

Campaign complete.

II. IDENTIFICATION OF AFFECTED VEHICLES
A. COVERED VIN RANGE




Check the TIS Vehicle Inquiry System to confirm the VIN is involved in this Safety Recall, and that the campaign
has not already been completed prior to dealer shipment or by another dealer.
TMS warranty will not reimburse dealers for repairs conducted on vehicles that are not affected or were
completed by another dealer.

III. PREPARATION
A. PARTS
Part Number
04006-45148

Part Description
Rear Hatch Multiplex ECU

Quantity
1

B. TOOLS & EQUIPMENT
 Standard hand tools
 Techstream

 Torque wrench

SST- These are essential special service tools that the dealership should have.
Part Number
00002-06000-01

Description
Plastic Pry Tool Set

Quantity
1

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IV. BACKGROUND
In the subject vehicles the power function of the back door could become inoperative if there is
interference with an object while using the power back door. Lexus has developed a new power
back door Electronic Control Unit (ECU) to prevent this condition from occurring.

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V. COMPONENTS

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VI. WORK PROCEDURE
1. RECORD THE CUSTOMIZED SETTINGS
Ensure to record the customers custmized setting for the rear hatch prior to mutiplex
ECU repalcement.
a)
b)
c)

Using the steering wheel controls for the multi-information display go to:
 Vehicle settings/PBD
Connect Techstream and go to:
Utility/Customize/PSD & PBD operation
Record to the customized settings sheet in SECTION VII APPENDIX STEP A.

With Techstream on the customized setting screen
go to Power Back Door Opening Adjust then to the
User Setting Position this will show that the
customer set a customized value. To reprogram the
rear hatch height setting that was set by the
customer, measure the height of the fully open
hatch from the floor, record this height and reset
the customized position after replacing the
multiplex ECU.
NOTE: When reprograming the rear hatch height ensure the display is NOT in 5 MAX. Set the rear hatch to the
measured hight, then press and hold the door control switch on the bottom of the rear hatch until the
buzzer sounds 4 times.
2. REPLACE THE REAR HATCH MUTIPLEX ECU
a) Open the rear hatch.
b) Disconnect the negative battery terminal.
NOTE: For vehicles equipped with navigation wait at least 6 minutes after IG OFF to disconnect the
negative battery terminal. This allows time for the navigation systems memory to completed
its processes.
c) Replace the rear hatch mutiplex ECU
Refer to the Technical Information System (TIS), using the applicable vehicle and model year.
2016 RX 350
Remove

2016 RX 450h
Remove

Install
Install
NOTE: Ensure to mark the old multiplex ECU so it is not reused.
d) Reconnect the negative battery terminal.
3. RESET THE REAR HATCH CLOSE POSTION
a) Manually close the rear hatch to the partilly closed postion
b) Check that the motor operates and fully closes the rear hatch.
NOTE: If the power rear hatch does not operate and/or open. Disconect the negative battery cable for a
minimum of 10 seconds and preform reintialization after reconnecting the terminal.

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4. POWER REAR HATCH OPERATIONAL CHECK
a) Using the multiplex network master switch check the lock / unlock operation of the door.

b) Follow the flow chart to check the operation of all the rear hatch functions.
NOTE: This will check the systems connected to the multiplex ECU.

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POWER REAR HATCH OPERATIONAL CHECK LIST

1. Push the rear hatch opener switch and check the following functions:
Rear hatch opens
The buzzer sounds
The hazard lights flash twice
(the rear hatch opener switch is located on the rear hatch below the Lexus emblem)

2. Check the rear hatch control switch for the following function:
Push the rear hatch control switch and ensure that the rear hatch fully closes
(the rear hatch control switch is located on the dash left of the steering column)

3. Push the rear hatch opener switch and ensure the rear hatch fully opens.
(the rear hatch opener switch is located on the rear hatch below the Lexus emblem)

4. Check the power rear hatch right sensor for the following function:
Press the door control switch and while the hatch is closing press the right sensor and check that the
hatch stops and reverses direction.
(the door control switch is located on the bottom of the hatch)

5. Check operation of wireless function:
Push the transmitter switch and the check that the rear hatch fully opens.

6. Check the power rear hatch left sensor for the following function:
Press the door control switch and while the hatch is closing press the left sensor and check that the
hatch stops and reverses direction.
(the door control switch is located on the bottom of the hatch)

7. Press the door control switch and ensure the rear hatch fully closes.
(the door control switch is located on the bottom of the hatch)

8. Operational check complete.

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5. RESTORE THE CUSTOMIZED SETTINGS
a) Using the customized setting sheet restore the rear hatch settings.
6. CHECK FOR DTC’S

◄ VERIFY REPAIR QUALITY ►
If you have any questions regarding this repair, please contact your regional representative.

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VII. APPENDIX
A. CUSTOMIZED SETTINGS SHEET

CUSTOMIZED SETTINGS SHEET
a) Multi-information display: Vehicle settings / PBD
Function
Settings (Put a check into applicable setting.)
□ Touchless Sensor Off
System settings
□ All On
□ All Off
(if equipped)
b) Techstream: PSD & PBD operation
Function
PBD SW Operation
Door Unlock with 1 Motion

Wireless Power Rear Hatch
Open

PBD Assist Open Operation
PBD/Emblem Sensor
Function*
PBD Buzzer Volume Adjust
PBD Buzzer Function
PBD Buzzer Tone
PBD Assist Close Operation
Power Rear Hatch Opening
Adjust

Back door height
measurement value

Settings (Put a check into applicable setting.)

□ 0.0s

□ 0.8s

□ BackDoor

□ ALL DOORS

□ Lock: OFF /
Unlock: OFF

□ Lock: OFF /
Unlock: ON

□ Lock: OFF /
Unlock: Twice

□ Lock: OFF /
Unlock: 0.8s

□ Lock:
Twice /
Unlock:
Twice

□ Lock: 0.8 s /
Unlock: 0.8s
□ OFF

□ ON

□ PBD OFF /
Emblem OFF

□ PBD ON /
Emblem OFF

□ PBD ON /
Emblem ON

□ Small

□ Middle

□ Large

□ Pattern A

□ Start Buzzer
ON / In
Operation
Buzzer OFF
□ Pattern B

□ Start Buzzer
OFF / In
Operation
Buzzer ON
□ Pattern C

□ OFF

□ ON

□ 1: Min

□ 2: Small

□ OFF

□ 3: Middle

□ ON

□ 4: Large

□ 5: Max

□ User Setting
Position

In. (mm)

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B. CAMPAIGN DESIGNATION DECODER

Examples:
A0D = Launched in 2010, Remedy Phase, 4th Campaign Launched in 2010
B1E = Launched in 2011, Interim Phase, 5rd Campaign Launched in 2011
C1C = Launched in 2012, Interim Phase, 3rd Campaign Launched in 2012

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