LEXUS LS430 2003 Factory Repair Manual

LEXUS LS430 2003 Factory Repair Manual LS430 2003 LEXUS LEXUS https://www.carmanualsonline.info/img/36/57050/w960_57050-0.png LEXUS LS430 2003 Factory Repair Manual
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Page 2621 of 4500

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

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LEXUS LS430 2003  Factory Repair Manual Fig. 91: Disconnecting E2 Connector From ECM
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM)  
OK: Go To Next Step.  
2.CHECK HARNESS AND CONNECTO

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LEXUS LS430 2003  Factory Repair Manual OK: Go To Next Step. 
3.CHECK HARNESS AND CONNECTOR (TC of DLC3 - BODY GROUND) 
a. Measure the resistance according to the value(s) in the table below.  
Standard:  
ECM CONNECTOR TERMINALS RESISTANCE

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LEXUS LS430 2003  Factory Repair Manual BUZZERS, RELAYS & TIMERS LOCATION 
CIRCUIT PROTECTION DEVICES LOCATION 
ComponentLocation
ABS CUT RelayOn engine room No. 3 R/B. See Fig. 7 .
ABS MTR RelayOn engine room No. 3 R/B. See Fig. 7 .
A/C CO

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LEXUS LS430 2003  Factory Repair Manual CONTROL UNITS LOCATION 
Blower Motor ResistorCenter rear of vehicle. See Fig. 29 .
Engine Room No. 1 J/BOn left front of engine compartment, behind 
headlight. See Fig. 1
 .
Engine Room No. 1 R/BOn le

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LEXUS LS430 2003  Factory Repair Manual MOTORS LOCATION 
Navigation ECUFig. 4 .
Passenger Side J/B ECUAt right kick panel. See Fig. 17 .
Power Tilt & Power Telescopic ECUBehind left side of dash. See Fig. 17 .
PPS ECURight side of dash. See

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LEXUS LS430 2003  Factory Repair Manual Fuel Lid Opener MotorOn left side of luggage compartment, behind left 
rear fenderwell. See Fig. 19
 .
Headlight Beam Level Control Actuator LHBehind left headlight. See Fig. 13 .
Headlight Beam Level
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