2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 9: Disconnecting Fuel Pipe Sub-Assy No. 2 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
13.REMOVE INTAKE MANIFOLD 
a. Remove the bolt and the water by-pass pipe No. 1 and No. 2.  
b. Disconnect

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LEXUS LS430 2003  Factory Repair Manual Fig. 10: Installing Intake Manifold To Head Gasket No. 1 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
16.INSTALL INTAKE MANIFOLD 
a. Install the intake manifold with the 6 bolts and 4 nuts. 
Torque:

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LEXUS LS430 2003  Factory Repair Manual Torque: 35 N.m (355 kgf.cm, 26 ft.lbf)  
Fig. 11: Connecting Fuel Pipe Sub
-Assy No. 2 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
18.INSTALL VACUUM SWITCHING VALVE ASSY FOR EVAP 
a. Install the VS

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LEXUS LS430 2003  Factory Repair Manual a. Install the cover bracket with the bolt. 
Torque: 7.5 N.m (76 kgf.cm, 66 in.lbf)  
23.INSTALL THROTTLE BODY ASSY 
a. Install the throttle body with the 2 bolts and 2 nuts.  
b. Connect the water by

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

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LEXUS LS430 2003  Factory Repair Manual Fig. 1: Locating Components Of Key Reminder Warning System 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual 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 S

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LEXUS LS430 2003  Factory Repair Manual 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