L-SB-0070-13

September 23, 2013

Initialization of Front Memory Seat E;CU During PDS
Service
Category

Gene ral
Lexus Supports

Section

Pre-Delivery Service

Market

~

A SE: Certification ~

USA

Applicability
YEAR(S)

MODEL(S)

2014

LS460, LS600H

ADDITIONAL INFORMATION

Introduction
As a result of the removal of the DCC fuses (No. 1 and No. 2) , the driving position memory function
of the driver and passenger seat will be inoperative due to loss of the seat position memory stored
in the seat ECU.
Initialize the front memory seat ECU after installing the DCC fuses during Pre-Delivery Service (PDS).
Warranty Information
OP CODE

DESCRIPTION

TIME

OFP

T1

T2

N/A

Not Applicable to Warranty

-

-

-

-

Driver Seat Initialization Procedure
1. Cycle the ignition switch to the IG-ON position.
2. Operate the vertical height switch to the lower side 3 times.

© 2013 Lexus , a di\oision

ofTo~ta

Motor Sales , USA

Page 1 of 4

L-SB-0070-13

September 23, 2013

Initialization of Front Memory Seat ECU During PDS

Driver Seat Initialization Procedure (Continued)

3. Within 10 seconds , simultaneously operate the
seatback angle switch to the rear side and the
vertical height switch to the upper side until a
beep is heard.

Figure 1.

4. Operate the slide control switch to the
rearmost position.

Figure 2.

NOTE

When operating the control switch, the warning
buzzer sounds.

After operating the slide control switch, the
following operations will occur automatically:
• The head restraint automatically moves to
the uppermost position and a beep is heard.
• The seat cushion length automatically slides
to the rearmost position and a beep is heard.
HINT
The 2 seat operations described above occu r
simultaneously.

© 2013 Lexus, a division

ofTo~ta

Motor Sales , USA

Page 2 of 4

September 23, 2013

l-SB-0070-13

Page 3of4

Initialization of Front Memory Seat ECU During PDS

Driver Seat Initialization Procedure (Continued)

5. Move the seatback angle switch forward until a
beep is heard.

Figure 3.

/

6. Operate the head restraint height adjustment
Figure 4.
switch and check that the head restraint moves to . - - - - - - - - - - - - - - - - - - .
the uppermost and lowermost positions normally.
(Refer to 1 in Figure 4.)

7. Operate the seat position control switch and check that the seat slides forward and rearward and
that the beep is NOT heard. (Referto 2 in Figure 4.)

© 2013 Lexus, a division ofToyota Motor Sales, USA

L-SB-0070-13

September 23, 2013

Page 4 of 4

Initialization of Front Memory Seat ECU During PDS

Front Passenger Seat Initialization Procedure

1. Simultaneously operate the seatback angle switch to the rear side and the height adjustment
switch to the lower side until a beep is heard.
2. Within 10 seconds, simultaneously operate the seatback angle switch to the rear side and the
vertical height adjustment switch to the lower side until a beep is heard.
3. Operate the slide control switch to the
rearmost position.

Figure 5.

NOTE
When operating the control switch, the warning
buzzer sounds.

After operating the seat position control switch,
the following operations will occur automatically:
• The head restraint automatically moves to
the lowermost position and a beep is heard.
• The seat vertical height automatically moves
to the uppermost or lowermost position and
a beep is heard .
'

HINT

The 2 seat operations described above occur
simultaneously.

© 2013 Lexus, a division of Toyota Motor Sales , USA