Lexus GS300/400 (2000 year). Service manual - part 73
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.)
–
BODY ELECTRICAL
ENGINE IMMOBILISER SYSTEM
BE–241
2542
(d)
There are 2 ways for registration of additional master key, one way is depressing brake pedal and ac-
celeration 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” register according to the following
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 are not necessary any more, erase registered of
those key codes.
(1)
Depressing brake pedal and acceleration pedal: