2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual HINT: 
When the acceleration sensor assy is tilted, it may output a different value. 
NG: REPLACE HEIGHT CONTROL SENSOR SUB-ASSY FRONT RH (SEE REPLACEMENT
 )
OK: Go to step 4  
3.INSPECT ACCELERATION

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LEXUS LS430 2003  Factory Repair Manual Fig. 50: Inspecting Acceleration Sensor 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual HINT: 
When the acceleration sensor is tilted, it may output the different value. 
NG: REPLACE ACCELERATION SENSOR  
OK:Go to next step  
4.CHECK HARNESS AND CONNECTOR (ACCELERATION SENSOR - SUSPENSIO

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LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TESTER CONNECTION STANDARD SPECIFIED CONDITION STANDARD (FRONT RH) 
Fig. 52: Identifying Height Control Sensor Connector Terminals
 
Courtesy of TOYOTA MOT

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LEXUS LS430 2003  Factory Repair Manual NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE SUSPENSION CONTROL ECU (SEE REPLACEMENT
 )  
Fig. 53: Identifying Height Control Sensor Connector Terminals
 
Courtesy of TOYOTA MOTOR SALES, U

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LEXUS LS430 2003  Factory Repair Manual CIRCUIT DESCRIPTION 
Absorber control actuator switches the damping force depending on the suspension control ECU signals. 
Fig. 54: DTC C1725 And DTC C1728 Detecting Condition And Trouble Area
 
Cour

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LEXUS LS430 2003  Factory Repair Manual Fig. 55: Front Absorber Control Actuator Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.INSPECT ABSORBER CONTROL ACTUATOR OPERATION 
a. Connect the han
d-held te

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LEXUS LS430 2003  Factory Repair Manual b. Turn the ignition switch to the ON position and turn the hand-held tester main switch on.  
c. Select the item below in the ACTIVE TEST and operate it with the hand-held tester. 
NORMAL CONDITION D