2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual <0029004c004a0011000300150016001d00030027004c00560046005200510051004800460057004c0051004a000300280015000300240051004700030028001600030026005200510051004800460057005200550056000300290055005200500003002

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LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
A: REPLACE ECM (SEE REPLACEMENT
 )  
5.INSPECT DRIVER SIDE J/B 
a. Measure the voltage according to the value(s) in the table below.  
Fig. 24: Identifying

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LEXUS LS430 2003  Factory Repair Manual a. Measure the voltage according to the value(s) in the table below.  
Fig. 25: Identifying Driver Side Junction Block ECU Connectors
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
DRIVER SIDE JUNCTI

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LEXUS LS430 2003  Factory Repair Manual This DTC indicates the internal abnormalities of the ECM.
DTC P0607 PROBLEM SYMPTOM DIAGNOSTIC 
HINT: 
The ECM receives signals from each sensor to control all the functions of the cruise control with

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LEXUS LS430 2003  Factory Repair Manual Fig. 26: Wiring Diagram - Cruise Control Switch Circuit 
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 DL

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LEXUS LS430 2003  Factory Repair Manual Fig. 27: Identifying Cruise Control Main Switch Positions 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HAND-HELD TESTER VALUE (ECM) 
OK: When cruise control main switch operation is performed the st

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LEXUS LS430 2003  Factory Repair Manual 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 CONTROL MAIN SWITCH ASSY 
a. D

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LEXUS LS430 2003  Factory Repair Manual 3.INSPECT SPIRAL CABLE SUB-ASSY 
a. Disconnect the spiral cable connector.  
b. Measure the resistance according to the value(s) in the table below.  
SPIRAL CABLE CONNECTOR TERMINALS RESISTANCE SPECI