Lexus GS300/400 (2000 year). Service manual - part 72

BE0G6–01

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BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

BE–237

2538

INSTALLATION

1.

INSTALL GARAGE DOOR OPENER

2.

INSTALL FRONT PERSONAL LIGHT

(a)

Connect the 2 connectors.

(b)

Install the 3 screws.

3.

INSTALL FRONT PERSONAL LIGHT LENS

BE0G7–07

START

Insert the key in the key cylinder.

Under registration

Registration completion

Remove the key.

Will you register the
next key?

No

Security indicator blinks until the first

key is inserted. The indicator light

lights up after the key registration.

Security Indicator ON

Security Indicator
OFF

END

Yes

Security Indicator ON 
(After the last key (sub–key)
has been registered, the indi-
cator goes off.)

BE–238

–

BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

2539

ENGINE IMMOBILISER SYSTEM

REGISTRATION PROCEDURE

1.

KEY REGISTRATION IN AUTOMATIC REGISTRATION MODE

(a)

Registration of a new transponder key.

HINT:

This must be done when you install a new ECM.

The new ECM is in the automatic key code registration mode. The already fixed number of key codes
for this ECM can be registered.
On this type of vehicle, up to 3 key codes can be registered.

In the automatic registration mode, the key registered last becomes the sub–key.

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–239

2540

HINT:

When a key is not inserted in the key cylinder in the automatic registration mode, the security indicator
always lights on.

When the immobiliser system operates normally and the key is pulled out, the security indicator blinks.

When key code registration could not be performed in 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 in the automatic reg-
istration 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–240

–

BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

2541

2.

KEY REGISTRATION PROCEDURE WHEN KEY OR KEY CYLINDER HAS BEEN REPLACED.

HINT:
Key registration procedure 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 is described below.

(a)

Removing wire–less and immobiliser module from origi-
nal master key.

(b)

Making new master key.
After replacing and installing new ignition cylinder, install
the removed original modules into new 2 key housings as
supply 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 ignition cylinder and key set, door
locks cannot be opened with 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.