2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 80: Disconnecting Millimeter Wave Radar Sensor Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 81: Disconnecting Cruise Control ECU (Distance Control ECU) Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR  
OK: PROCEED TO NEXT CIRCUIT

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LEXUS LS430 2003  Factory Repair Manual The dynamic laser cruise control system has two cruise control modes: the constant speed control mode and 
vehicle-to-vehicle distance control mode. 
The vehicle-to-vehicle distance control mode is al

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LEXUS LS430 2003  Factory Repair Manual Fig. 83: Identifying Cruise Control Main Switch Position 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
CC (ECM):  
DATA LIST (CC (ECM)) 
OK: When cruise control main switch operation is performed, th

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LEXUS LS430 2003  Factory Repair Manual Result:  
RESULT DETAIL 
B: Go to step 2  
C: REPLACE CRUISE CONTROL MAIN SWITCH ASSY (SEE REPLACEMENT
 )  
A: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2.INSPECT CRUISE CONTR

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LEXUS LS430 2003  Factory Repair Manual NG: REPLACE CRUISE CONTROL MAIN SWITCH ASSY (SEE REPLACEMENT )  
OK: Go To Next Step.  
3.INSPECT SPIRAL CABLE SUB-ASSY 
a. Disconnect the spiral cable sub-assy connector.  
b. Measure the resistance

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LEXUS LS430 2003  Factory Repair Manual Fig. 85: Identifying Spiral Cable Sub-Assy Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE SPIRAL CABLE SUB-ASSY (SEE REPLACEMENT
 )

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LEXUS LS430 2003  Factory Repair Manual OK: Go To Next Step. 
4.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) 
a. Measure the resistance according to the value(s) in the table below.  
Standard:  
SPIRAL CABLE SUB-ASSY AND ECM T