Lexus ES300 (2002 year). Manual — part 91

BODY ELECTRICAL – BODY ELECTRICAL SYSTEM CONTROL

BE-5

SYSTEM OPERATION

1. General

The ECUs that pertain to the body electrical system perform the functions and system controls described in
the following chart.

ECU

Function

Interior Light

Illuminated entry system control

Light auto turn-off system control

E

i

Li h

Light auto turn off system control
(with Delay control)

Exterior Light

Daytime running light system control

Automatic light control system

Warning Control

Key reminder warning

Warning Control

Door ajar warning

Door lock control switch manual operation

Key-linked lock and unlock function

Manual unlock prohibition function

2-step unlock function

Door Lock Control

Key confine prevention function

Shift-linked automatic door lock and unlock

Speed sensitive automatic door lock

Ignition switch-linked automatic door unlock

Body ECU

Collision door lock release

i l

Door lock and unlock operation

Wireless Door
Lock Remote

Answer back operation

Lock Remote
Control System

Panic alarm operation

Control System

Luggage door open operation

Door lock operation

Theft Deterrent

Warning operation

Theft Deterrent
System

Warning operation
(Interior light, Hazard light, Headlight, Taillight, Vehicle

y

(Interior light, Hazard light, Headlight, Taillight, Vehicle
Horn)

R

P

Wi d

Control signal conversion function

Rear Power Window
Control

Control signal conversion function
(Converts control signal from power window master switch

Control

(Converts control signal from power window master switch
and outputs it to rear RH door ECU or rear LH door ECU.)

Moon Roof Control

Key-linked open operation

Moon Roof Control

Transmitter-linked open operation

Customize

Customized body electronics system control

Diagnosis

Self diagnosis

Driver Door

Power Window Control

Power window system control (Driver’s door)

Driver Door
ECU

Customize

Customized body electronics system control

Front
Passenger

Power Window Control

Power window system control (Front passenger’s door)

Passenger
Door ECU

Customize

Customized body electronics system control

(Continued)

BODY ELECTRICAL – BODY ELECTRICAL SYSTEM CONTROL

BE-6

ECU

Function

Rear RH
Door ECU
and
Rear LH
Door ECU

Power Window Control

Power window system control (Rear passenger’s door)

Theft Deterrent

Theft Deterrent System

Warning operation (Security Horn)

Theft Deterrent
ECU

Customize

Customized body electronics system control

2. Customized Body Electronics System

General

The customized body electronics system enables the control function settings of the ECUs to be changed
through the use of a hand-held tester.
However, this system can only change the settings of the ECUs that are connected to the BEAN.

Operation

The specifications of the systems and functions that can be changed by operating a hand-held tester are listed
below.

ECU

System

Content

Initial Setting

Selection

Answer back buzzer volume

50%

50 / 75 / 84 / 89 / 93%

Answer back buzzer volume

50%

50 / 75 / 84 / 89 / 93%

/ Non-operation

Answer back operation

ON

ON / OFF

Wireless-linked power window
open operation

ON

ON / OFF

Wireless
Door

Door ajar warning operation

ON

ON / OFF

Door
Lock Remote

Automatic lock operation

30 sec.

60 / 30 sec.

Lock Remote
Control
System

Trunk lid open operation

0.8 sec. Pressed

Continuously

Pressed Once

/ 0.8 sec. Continuously

/ Pressed Twice

/ Non-operation

All door’s unlock operation
(Button operation twice)

ON

ON / OFF

Panic alarm operation

ON

ON / OFF

Body ECU

Speed sensitive automatic
door lock operation

OFF

ON / OFF

D

L

k

All door’s unlock operation
(Door key operation twice)

ON

ON / OFF

Door Lock
Control
System

Shift-linked automatic
Door unlock operation

OFF

ON / OFF

System

Shift-linked automatic
Door lock operation

ON

ON / OFF

Ignition switch-linked
automatic door unlock

OFF

ON / OFF

Reminder
System

Key reminder warning function

ON

ON / OFF

Light illumination time

15 sec.

7.5 / 15 / 30 sec.

Illuminated
Entry System

Front foot light illumination
operation

ON

ON / OFF

y y

Front foot light dimmer control

ON

ON / OFF

(Continued)

BODY ELECTRICAL – BODY ELECTRICAL SYSTEM CONTROL

BE-7

ECU

System

Content

Initial Setting

Selection

Illuminated

Entry System

Light control of the front

interior light by turning the

ACC off

OFF

ON / OFF

Entry System

Brightness of front foot light

under dimmer control

3%

0 – 100%

Body

ECU

Automatic

Li ht C

t l

Delay time

Standard

Standard

/ Long

ECU

Light Control

System

Sensitive adjustment

0

– 40 / – 20 / 0 / 20 / 40%

System

Light off delay adjustment

30 sec.

0 / 30 / 60 / 90 sec.

Daytime

Running Light

System

Daytime running light system

control

ON

ON / OFF

Driver,

Front

Passenger

Door ECU

Power Window

System

Key-linked open operation

ON

ON / OFF

Theft

Deterrent

ECU

Theft Deterrent

System

Passive mode

OFF

ON / OFF

BODY ELECTRICAL – ACCESSORIES

BE-50

211BE34

Ignition
Switch

Key Unlock
Warning Switch

Engine Hood
Courtesy Switches

Security Horn

Security
Indicator Light

Driver Side
Key-linked
Door Lock Switch

Driver Door
Lock Position
Switch

Front Passenger
Door Lock
Position Switch

Theft
Deterrent
ECU

Driver
Door ECU

Front
Passenger
Door ECU

BEAN

BEAN

BEAN

Body
ECU

Ignition
Switch

Key Unlock
Warning Switch

Door Courtesy
Switches

Door Lock
Assemblies

Vehicle
Horn Relay

Taillight
Relay

Headlight
Relay

Hazard Light
Relay

Door Control
Receiver

THEFT DETERRENT SYSTEM

1. General

This system has been provided on the all models as standard equipment.
The theft deterrent system use the door lock control system and wireless door lock remote control system

parts. The theft deterrent system will operate when somebody attempts to forcibly enter the vehicle, open
the engine hood, or when the battery terminals are removed and reconnected.

The control of this system is effected by the theft deterrent ECU, which maintains communication via the

body ECU and BEAN (Body Electronics Area Network).

The warning specifications of this system are listed below.

Warning Specifications

Interior Light

Illuminates

Hazard Light

Flashing

Warning Method

Headlights and Taillights

Flashing

Warning Method

Vehicle Horn

Sounds a warning at approx. 0.4 second cycles

Security Horn

Sounds a warning at approx. 0.4 second cycles

Door Lock Motor

Locking

Warning Time

60 sec.

System Diagram

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Текст

Политика конфиденциальности