2003 LEXUS LS430 Factory Repair Manual

Page 4177 of 4500

LEXUS LS430 2003  Factory Repair Manual 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
7.5

Page 4178 of 4500

LEXUS LS430 2003  Factory Repair Manual 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) 
LEXU

Page 4179 of 4500

LEXUS LS430 2003  Factory Repair Manual 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

Page 4180 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 9: Locating Passenger & Luggage Room Relays 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Page 4181 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 10: Identifying Luggage Room Junction Block Components 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
Luggage Room Junction Block 
FuseSystem
7.5ALCE LPLight Auto Turn Off System

Page 4182 of 4500

LEXUS LS430 2003  Factory Repair Manual Multiplex Communication System (BEAN - Steering Column Bus) 
Taillight
7.5ARR A/CMultiplex Communication System (BEAN - Steering Column Bus) 
Rear Air Conditioning
7.5ARR ACCAudio System 
Clock (w/ LE

Page 4183 of 4500

LEXUS LS430 2003  Factory Repair Manual SYSTEM DIAGRAM 
Fig. 1: Garage Door Opener System Diagram
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
DESCRIPTION 
A maximum of 3 kinds of transmitter code based systems (example: garage doors, ga

Page 4184 of 4500

LEXUS LS430 2003  Factory Repair Manual registered with the vehicle's garage door opener. After registration, the vehicle's garage door opener can mimic 
the signal of the transmitter systems and the original transmitters of each tr