2003 LEXUS LS430 key

Headlight
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Key Reminder (w/o Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Rear View Monitor)
Luggage Compartment Door Opener and Closer
Moon Roof
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
Multiplex Communication System (BEAN Bus)
PPS
Pre-Collision Safety System
Rear Air Conditioning
Seat Belt Warning
Smart Key System
SRS
Taillight
Theft Deterrent (w/ Smart Key System)
Tire Pressure Warning System
VSC
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AMPX-B3Adaptive Front-Lighting System
Automatic Light Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Front Fog Light
Fuel Lid Opener
Headlight
Illumination
Key Reminder (w/ Smart Key System)
Light Auto Turn Off System
Luggage Compartment Door Opener and Closer
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
Power Tilt and Power Telescopic
Rear Air Conditioning
Remote Control Mirror
Smart Key System
Taillight
Theft Deterrent (w/ Smart Key System)
Turn Signal and Hazard Warning Light
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AP-ACCAudio System

Automatic Air Conditioning (Front)
Clock (w/ LEXUS Navigation System
Clock (w/o LEXUS Navigation System)
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Rear Air Conditioning
7.5AP-IGAutomatic Air Conditioning (Front)
Automatic Glare-Resistant EC Mirror
Climate Control Seat (Front)
Clock (w/ LEXUS Navigation System
Clock (w/o LEXUS Navigation System)
Electric Tension Reducer
Key Reminder (w/o Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Moon Roof
Multiplex Communication System (BEAN - Door Bus)
Multiplex Communication System (BEAN - Instrument Panel Bus)
Rear Air Conditioning
Seat Belt Warning
Seat Heater (Front)
Wiper and Washer
7.5ARADIO NO.1Audio System
Clock (w/ LEXUS Navigation System
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
7.5ASTR LOCKEngine Immobilizer System (w/ Smart Key System)
Steering Lock System
7.5ATELAudio System
Clock (w/ LEXUS Navigation System
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
10ADOMEABS
Adaptive Front-Lighting System
Audio System
Automatic Air Conditioning (Front)
Charging
Clock (w/ LEXUS Navigation System)
Clock (w/o LEXUS Navigation System)
Combination Meter
Cruise Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control

Front Fog Light
Headlight
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Key Reminder (w/o Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Rear View Monitor)
Luggage Compartment Door Opener and Closer
Moon Roof
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
PPS
Pre-Collision Safety System
Rear Air Conditioning
Seat Belt Warning
Smart Key System
SRS
Taillight
Theft Deterrent (w/ Smart Key System)
Tire Pressure Warning System
TRAC
VSC
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
10AP RR-IGVibration Seat
15AHAZDoor Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Steering Column Bus)
Smart Key System
Theft Deterrent (w/ Smart Key System)
Turn Signal and Hazard Warning Light
Wireless Door Lock Control (w/ Smart Key System)
15AP S/HTRClimate Control Seat (Front)
Seat Heater (Front)
15AP-CIGCigarette Lighter and Power Outlet
20ARR DOOR LHDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Door Bus)
Power Window
Smart Key System
Theft Deterrent (w/ Smart Key System)

LUGGAGE ROOM JUNCTION BLOCK
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
20ARR DOOR RHDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Door Bus)
Power Window
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
25AD DOORDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Mirror Heater
Multiplex Communication System (BEAN - Door Bus)
Power Shoulder Belt Anchorage
Power Window
Remote Control Mirror
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
25AP DOORDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Mirror Heater
Multiplex Communication System (BEAN - Door Bus)
Power Shoulder Belt Anchorage
Power Window
Remote Control Mirror
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)

KEY REMINDER WARNING SYSTEM REFERENCE
System NameSee Procedure
Front Power Seat Control SystemINITIALIZATION

Fig. 1: Locating Components Of Key Reminder Warning System
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 2: System Diagram (W/O Smart Key System)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
COMMUNICATION LINE REFERENCE
SenderReceiverSignalCommunication
Line
Transponder Key
ECUMeter ECUBuzzer Sound SignalBEAN
Driver Door ECUTransponder Key
ECUFront Door Courtesy Switch Signal
(Driver Side)BEAN

Fig. 3: System Diagram (W/ Smart Key System)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
COMMUNICATION LINE REFERENCE
1.FUNCTION OF COMPONENT
SenderReceiverSignalCommunication
Line
Steering Lock
ECUMeter ECUBuzzer Sound SignalBEAN
Driver Door ECUSteering Lock
ECUFront Door Courtesy Switch Signal (Driver
Side)BEAN