2003 LEXUS LS430 Control actuator

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Page 548 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 67: Identifying Absorber Control Actuator Rear LH Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE SUSPENSION CONTROL EC

Page 598 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 113: Identifying Suspension Control ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: CHECK POWER SOURCE CIRCUIT (SEE DTC C1774 POWER SOURCE CIRCUIT
 )  
OK: REPLACE SUSP

Page 605 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 120: Identifying Suspension Control ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE SUSPENSION CONTROL ECU (SEE REP

Page 1198 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 8: Wiring Diagram - Can Communication System (W/O LEXUS Navigation System) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
The position of the terminus circuit differs in vehicles with and

Page 1199 of 4500

LEXUS LS430 2003  Factory Repair Manual conventional communication line (SIL). 
1.BRIEF DESCRIPTION 
a. The CAN (Controller Area Network) is a serial data communication system for real time 
application. It is a multiplex communication syst

Page 1244 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 39: Identifying Skid Control ECU Connectors 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
a. Measure the resistance according to the value (s) in the table below.  
b. Measure the voltage accord

Page 1303 of 4500

LEXUS LS430 2003  Factory Repair Manual 10.CONNECT CONNECTOR 
a. Reconnect the ECM sub bus line connector (J40) to the D-CAN J/C B side (w/o earth terminal).  
11.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU WITH ACTUATOR 
SUB BU

Page 1313 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 105: Identifying DLC3 Connector terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
a. Disconnect the skid control ECU connector (S42).  
b. Measure the resistance according to the value (s)