Lexus GS300/400 (2000 year). Service manual - part 44

I04021

Push (OFF)

Push and
Turn (ON)

Pull (ON)

B

2

L

1

2

B

1

L

–

BODY ELECTRICAL

POWER DOOR LOCK CONTROL SYSTEM

BE–139

2440

32.

INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER MAIN SWITCH CONTINUITY

Switch operation

Tester connection

Specified condition

OFF (Push)

–

No continuity

ON (Push and turn)

1 – 2

Continuity

If continuity is not as specified, replace the switch.
33.

INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER SWITCH CONTINUITY

Switch operation

Tester connection

Specified condition

OFF

2 – B

Continuity

ON (Pull)

1 – L

2 – B

Continuity

If continuity is not as specified, replace the switch.
34.

INSPECT LUGGAGE COMPARTMENT DOOR OPEN-
ER SWITCH AND MAIN SWITCH CIRCUIT
(See page 

DI–816

)

BE0GQ–03

I01365

Luggage Compartment
Courtesy Switch

Ignition Switch

Door Lock Assembly

 Door Lock Motor

 Door Unlock Detection

Switch

 Door Key Lock and

Unlock Switch

Door Lock Assembly

 Door Lock Motor

 Door Unlock Detection

Switch

 Door Key Lock and Unlock Switch

Luggage Compartment
Opener Switch

Luggage Compartment
Key Lock and Unlock
Switch

Horn

Theft Deterrent Horn

Engine Room No.1 Junction Block

 HORN Fuse

 Headlight Control Relay

 Starter Relay

Engine Hood Courtesy Switch

Driver Side Junction Block

 ST Fuse

 Taillight Control Relay

Engine Room No.2 Relay Block

 Horn Relay

BE–140

–

BODY ELECTRICAL

THEFT DETERRENT SYSTEM

2441

THEFT DETERRENT SYSTEM

LOCATION



The vehicle shown in this illustration is ”GS400”.



All components of ”GS300” other than the ones used for engine are same as ”GS400”.

DI3CO–10

–

BODY ELECTRICAL

THEFT DETERRENT SYSTEM

BE–141

2442

PRE–CHECK

1.

THEFT DETERRENT SYSTEM

When the system is set to the theft deterrent mode and any of
the following conditions are met, the system sounds the horns
and flashes the headlights and the taillights for approx. 1 min-
ute.
At the same time the system locks all doors (If all door are not
locked at once, the system repeats door locking operation ev-
ery 0.55 seconds during the one minute alarm time).
There are 2 modes in this system, which are active mode and
passive mode.
All initial setting are performed in active mode. It can be
switched to passive mode by specified operation. (See step 4.
CHANGING METHOD OF PASSIVE MODE)

Condition:



Any of the doors (Including the engine hood and luggage
compartment door) is unlocked or opened without the
key. *1



The battery terminal is disconnected and reconnected.



The system receives panic signal from remote keyless
entry. *2
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key cylin-
der.

There are 4 conditions in this system which are disarming
condition, disarming preparation condition, arming condition
and alarming condition.

(a)

Disarming condition:
(1)

When a user is near the vehicle.

(2)

When the alarming function does not operate.

(3)

When theft deterrent function is not performed.

(b)

Disarming preparation condition:
(1)

Time from a user locks a door to be leaves the ve-
hicle.

(2)

Time until transferring to disarming condition.

(3)

Theft deterrent function is not performed.

(c)

Arming condition:
(1)

When a user leaves the vehicle completely.

(2)

When theft deterrent function is possible.

BE–142

–

BODY ELECTRICAL

THEFT DETERRENT SYSTEM

2443

(d)

Alarming condition:
Is this condition, once theft is detected, it is informed us-
ing light and sound to people around the vehicle.
Refer to the table for alarming method or time.

Horn

Al

i

th d

Security horn

Alarming method

Headlight

Taillight

Alarming time

60 seconds

Alarming output

Continuous 0.25 secs. (ON)

0.25 secs. (OFF)

In the arming condition when either of doors is unlocked and
with not key in the key cylinder, force lock signal is output.