2003 LEXUS LS430 Factory Repair Manual

Page 521 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 43: Identifying Height Control Sensor Front RH Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HEIGHT CONTROL SENSOR FRONT LH: (C1712)  
a. Measure the resistance according to

Page 522 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 44: Identifying Height Control Sensor Front LH Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HEIGHT CONTROL SENSOR REAR RH: (C1713)  
a. Measure the resistance according to t

Page 523 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 45: Identifying Height Control Sensor Rear RH Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HEIGHT CONTROL SENSOR REAR LH: (C1714)  
a. Measure the resistance according to th

Page 524 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 46: Identifying Height Control Sensor Rear LH Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
B: REPLACE HEIGHT CONTROL SENSOR SUB-ASSY FRONT RH (SEE REPLACEMENT
 )  
C: REPLAC

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LEXUS LS430 2003  Factory Repair Manual CIRCUIT DESCRIPTION 
The acceleration sensors (assy) detect up-and-down acceleration of the vehicle. The acceleration sensors (assy) 
3 in total are mounted in the absorber control ECU, at the forward

Page 526 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 48: Rear Acceleration Sensor Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.READ VALUE ON HAND-HELD TESTER 
a. Connect the hand-held tester to the DLC3.  
b

Page 527 of 4500

LEXUS LS430 2003  Factory Repair Manual Acceleration value must change.  
RESULT DESCRIPTION 
B: Go to step 2  
C: Go to step 3  
D: REPLACE LEFT FRONT ACCELERATION SENSOR  
HINT: 
For the left front acceleration sensor failure, replace the

Page 528 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 49: Inspecting Height Control Sensor Sub-Assy Front RH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.