2003 LEXUS LS430 Factory Repair Manual

Page 617 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 134: DTC C1787 Detecting Condition And Trouble Area 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
DTC C1787 is output only in the test mode. 
WIRING DIAGRAM 
Fig. 135: Absorber Control Sw

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LEXUS LS430 2003  Factory Repair Manual Fig. 136: Identifying Absorber Control Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE ABSORBER CONTROL SWITCH  
OK:Go to next step  
2.CHECK HARNESS AND CONNECTO

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LEXUS LS430 2003  Factory Repair Manual Fig. 137: Identifying Suspension Control ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 138: Identifying Absorber Control Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK:Go to next step  
3.CHECK HARNESS AND C

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LEXUS LS430 2003  Factory Repair Manual Fig. 139: Identifying Absorber Control Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE SUSPENSION CONTROL ECU (SEE RE

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LEXUS LS430 2003  Factory Repair Manual WIRING DIAGRAM 
Fig. 140: Height Control Indicator Lamp Wiring Diagram
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - COM

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LEXUS LS430 2003  Factory Repair Manual Fig. 141: Identifying Suspension Control ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 142: Identifying Combination Meter Assy Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK:Go to next step  
2.CHECK HARNESS AND CO