2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 34: Identifying Clearance Warning ECU Assy Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE CLEARANCE WARNING ECU ASSY (SEE REPLACE

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LEXUS LS430 2003  Factory Repair Manual Fig. 36: Front Right Sensor Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.INSPECT ULTRASONIC SENSOR NO.1 
a. Remove ultrasonic sensor No.1.  
b. Measure the resi

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LEXUS LS430 2003  Factory Repair Manual Fig. 37: Identifying Ultrasonic Sensor No.1 Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: Go To Next Step.  
2.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSY - 
ULTRASONIC SENSO

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LEXUS LS430 2003  Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 38: Identifying Clearance Warning ECU Assy Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE CLEARANCE WARNING ECU ASSY (SEE REPLACE

Page 1550 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 40: Front Right Side Sensor Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.INSPECT ULTRASONIC SENSOR NO.1 
a. Remove ultrasonic sensor No.1.  
b. Measure the

Page 1551 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 41: Identifying Ultrasonic Sensor No.1 Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: Go To Next Step.  
2.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSY - 
ULTRASONIC SENSO

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LEXUS LS430 2003  Factory Repair Manual