2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual a. Fill the rear differential carrier assy with differential gear oil equivalent. 
Oil type: Differential synthetic gear oil GL-5 75W-90 or equivalent  
Capacity: 1.35 +/- 0.05 liters (1.43 +/- 0.05 U

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LEXUS LS430 2003  Factory Repair Manual SYSTEM REFERENCE CHART 
System NameSee Procedure
Front Power Seat Control SystemINITIALIZATION

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LEXUS LS430 2003  Factory Repair Manual Fig. 1: Identifying Door Closer System Components Location 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 2: System Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
COMMUNICATION CHART 
SenderReceiverSignalCommunication Line
SenderReceiverSignalCommunication Line
Driver Door ECUTheft Warning EC

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LEXUS LS430 2003  Factory Repair Manual 1.GENERAL 
When the front and rear door system detects that the front and rear doors are ajar, it automatically 
actuates the motor to fully close the front and rear doors.  
Position detection switch

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LEXUS LS430 2003  Factory Repair Manual Door Closer Assembly  
The door closer assembly consists of a door lock mechanism that performs the ordinary door lock 
control, and a closer mechanism that performs door closer control. In addition,

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LEXUS LS430 2003  Factory Repair Manual Fig. 5: Door ECU Operation Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c. Cancel Function 
In the door closer system, operating the inside or outside door handle cuts the link between 
the

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LEXUS LS430 2003  Factory Repair Manual Fig. 6: Cancel Function Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
If the child lock of a rear door is engaged, it cannot be canceled by operating the inside door 
handle. 
d. Close