Lexus GS300/400 (2000 year). 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:

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 secs. after
indicator has been OFF or 10 sec. have passed.

BE–242

–

BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

2543

(2)

Using LEXUS hand–held tester:

Will you register the
next key?

No

Yes

Insert already registered master key in the key
cylinder

Depress and release the acceleration pedal 4
times.

Depress and release the brake pedal 5 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.)

Within 10 sec.

Within 15 sec.

Within 20 sec.

Within 10 sec.

Within 10 sec.

After 60 sec. additional sub–key is registered.
(Security indicator is OFF.)

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.

–

BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

BE–243

2544

3.

REGISTRATION OF ADDITIONAL SUB–KEY

There are 2 ways for registration of additional sub–key, one way is depressing brake pedal and acceleration
pedal and the other way is using LEXUS hand–held tester.
HINT:

It is possible to register up to 3 sub–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.
(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 sub–key registra-
tion.

Remove the master key.

Insert key to be registered in key cylinder.
(Security indicator blinks.)

After 60 sec., additional sub–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 secs. after
indicator has been OFF or 10 sec. have passed.

BE–244

–

BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

2545

(2)

Using LEXUS hand–held tester: