2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 19: DTC C1711, C1712, C1713 And C1714 DTC Detecting Condition And Trouble Area 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
WIRING DIAGRAM

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LEXUS LS430 2003  Factory Repair Manual Fig. 20: Front Height Control Sensor Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
HINT:

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LEXUS LS430 2003  Factory Repair Manual Proceed to troubleshooting following the flow chart, regardless of whether or not DTC C1711, C1712, C1713 
or C1714 is displayed. 
1.RECONFIRM DTC 
a. Check DTCs (SEE DTC CHECK/CLEAR
 ). 
1. Confirm i

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LEXUS LS430 2003  Factory Repair Manual NG: Go to step 3  
OK: REPLACE SUSPENSION CONTROL ECU (SEE REPLACEMENT
 )  
3.CHECK HARNESS AND CONNECTOR (HEIGHT CONTROL SENSOR SUB-ASSY POWER 
SOURCE) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE
 )

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LEXUS LS430 2003  Factory Repair Manual Fig. 23: Identifying Height Control Sensor Sub-Assy Connector Terminals - RH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (Rear RH) 
TESTER CO

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LEXUS LS430 2003  Factory Repair Manual Fig. 24: Identifying Height Control Sensor Sub-Assy Connector Terminals - LH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: Go to step 4  
OK:Go to next step  
d.CHECK HARNESS AND CONNECTOR (SUSPE

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LEXUS LS430 2003  Factory Repair Manual Fig. 25: Identifying Suspension Control ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HEIGHT CONTROL SENSOR FRONT RH: (C1711)  
TESTER CONNECTION STANDARD SPECIFIED CONDITION:

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LEXUS LS430 2003  Factory Repair Manual Fig. 26: Identifying Height Control Sensor Sub-Assy Connector Terminals - RH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HEIGHT CONTROL SENSOR FRONT LH: (C1712)  
TESTER CONNECTION STANDARD SPECIFI