Lexus LS400 (2000 year). Manual — part 44
1.2 Sec.
0.8 Sec.
0.25 Sec. 0.5 Sec.
0.25 Sec.
1 Sec.
Blinks
Code 2–1
Code2–2
0.25 Sec.
0.25 Sec.0.5 Sec.
1 Sec.
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BODY ELECTRICAL
ENGINE IMMOBILISER SYSTEM
BE–245
2108
HINT:
When a key is not inserted in the key cylinder on the automatic registration mode, the security indicator
always lights on.
When the immobiliser system operates normally and the key is pull out, the security indicator blinks.
When key code registration could not be performed on the automatic registration mode, code 2–1 is
output from the security indicator and when inserting the already registered key, code 2–2 is output.
(b)
Automatic registration mode completion
If completing the mode forcibly when more than 1 key code have been registered on the automatic
registration mode, perform the following procedures.
After 1 more key code have been registered with master key, perform step (1) or (2) without pulling
the key out or inserting the already registered key.
(1) Depress and release brake pedal 5 times or more within 15 sec.
(2) With the LEXUS hand–held tester, require automatic registration mode completion.
I04311
I04312
BE–246
–
BODY ELECTRICAL
ENGINE IMMOBILISER SYSTEM
2109
2.
KEY REGISTRATION OF PROCEDURE NEW MASTER KEY AND NEW SUB–KEY ON THIS IS DE-
SCRIBED BELOW
HINT:
Key registration of new master key and new sub–key on this vehicle when new ignition cylinder and key set,
and new lock cylinder set including ignition key cylinder are installed.
(a)
Removing wire–less and immobiliser module from origi-
nal master key.
(b)
Masking new master key.
After replacing and installing new ignition cylinder, install
removed original modules into new 2 key housing as sup-
ply parts.
(c)
Registration of supplied new sub–key and /or master key
Register supplied new sub–key and /or master key by us-
ing new master key.
(See step 3 and 4)
NOTICE:
In case of replacing with ignition cylinder and key set, door
locks cannot be opened by new ignition keys. Therefore, to
avoid any trouble caused by empty battery of transmitter
of new ignition key, please bring the original key while driv-
ing.
Will you register the
next key?
No
Yes
Insert already registered master key in the key
cylinder
Depress and release the acceleration pedal 5
times.
Depress and release the brake pedal 6 times,
and remove the master key.
Insert key to be registered in key cylinder.
Depress and release the acceleration pedal 1
time. (Security indicator blinks)
The registration mode completes when pulling
out the key and depressing and releasing the
brake pedal once or more within 10 secs. after
indicator has been off or 10 sec. have passed.
Within 10 sec.
Within 15 sec.
Within 20 sec.
Within 10 sec.
Within 10 sec.
After 60 sec. additional master key is registered.
(Security indicator is OFF)
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BODY ELECTRICAL
ENGINE IMMOBILISER SYSTEM
BE–247
2110
3.
REGISTRATION OF ADDITIONAL MASTER KEY
There are 2 ways for registration of additional master key, one way is depressing brake pedal and accelera-
tion pedal and the other way is using LEXUS hand–held tester.
HINT:
It is possible to register up to 7 master key codes including the already registered key code.
When any operation time described below is over, registration mode completes.
When the next procedure is performed while the timer is working, the timer completes counting time,
then next timer starts.
When replacing ”Ignition Cylinder Key Set” or ”Lock Cylinder Set” and register according to the follow-
ing procedure using the original master key. However, after the registration of the additional master
key, as the original master key and the original sub–key is not necessary any more, so erase registra-
tion of those key codes.
(1)
Depressing brake pedal and acceleration pedal:
Will you register the
next key?
Insert already registered master key in the key cylinder.
Using LEXUS hand–held tester select master key regis-
tration.
Remove the master key.
Insert key to be registered in key cylinder.
(Security indicator blinks)
After 60 sec., additional master key is registered.
(Security indicator OFF)
No
Yes
Within
10 sec.
Within 120 sec.
Within 20 sec.
Within 10 sec.
The registration mode completes when pulling
out the key and depressing and releasing the
brake pedal once or more within 10 sec. after in-
dicator has been off or 10 sec. have passed.
BE–248
–
BODY ELECTRICAL
ENGINE IMMOBILISER SYSTEM
2111
(2)
Using LEXUS hand–held tester:
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