2003 LEXUS LS430 sensor

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Page 18 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 11: Connecting Hand-Held Tester To DLC3
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
MEASUREMENT ITEM / RANGE DESCRIPTION 
ItemMeasurement Item / Range (Display)Normal ConditionDiagnostic Note
S

Page 19 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 12: Harness Signal Blinking Pattern 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
If the hand-held tester's status remains open, check the continuity between the ECU and the 
sensors,

Page 21 of 4500

LEXUS LS430 2003  Factory Repair Manual clearing and reading the sensor calibration data are necessary. 
b. Follow the chart to perform calibration.  
Fig. 14: VSC Relevant Components Description
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., IN

Page 22 of 4500

LEXUS LS430 2003  Factory Repair Manual 2. Turn the ignition switch to the ON position.  
3. Operate the hand-held tester to erase the codes.  
HINT: 
Refer to the hand-held tester operator's manual for further details.  
Check if "

Page 27 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 19: Identifying VSC Location 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
If the indicator remains on, proceed to troubleshooting for the light circuit below. 
TROUBLE AREA REFERENCE 
2.SENSOR

Page 28 of 4500

LEXUS LS430 2003  Factory Repair Manual sensor check function will be erased. 
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Page 29 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 21: ABS Warning Light Blinking Pattern 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
5. Check that the ABS warning light blinking TEST MODE and "VSC Test" is displayed on the 
multi-info

Page 30 of 4500

LEXUS LS430 2003  Factory Repair Manual HINT: 
The blinking pattern of the ABS warning lamp and the "VSC Test" display on the multi-
information do not change. When the sensor is normal and in the test mode, if the above conditions
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