2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 87: Disconnecting ECM Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: Go To Next Step.  
5.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-A

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LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OK: REPLACE ECM (SEE REPLACEMENT
 )  
CIRCUIT DESCRIPTION 
The distance control switch sets the vehicle-to-vehicle distance mode. 
The distance control swi

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LEXUS LS430 2003  Factory Repair Manual CIRCUIT DESCRIPTION 
When the cruise control main switch is on, CRUISE main indicator light and READY indicator light come on. 
This indicates the control condition (presence or absence of a vehicle i

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LEXUS LS430 2003  Factory Repair Manual OK: Go To Next Step. 
2.READ VALUE ON HAND-HELD TESTER 
a. Connect the hand-held tester to the DLC3.  
b. Turn the ignition switch to the ON position, and turn the hand-held tester main switch on.  
c

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LEXUS LS430 2003  Factory Repair Manual A wiper switch signal is sent to the distance control ECU via CAN and BEAN. Therefore if there are any 
malfunctions in this circuit, check for DTCs in the CAN communication and multiplex communicatio

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LEXUS LS430 2003  Factory Repair Manual Fig. 89: Wiring Diagram - Diagnosis Circuit
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
When a particular warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3

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LEXUS LS430 2003  Factory Repair Manual