2003 LEXUS LS430 replacement

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Page 83 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: REPLACE REAR SPEED SENSOR  
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )  
CIRCUIT DESCRIPTION 
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Page 86 of 4500

LEXUS LS430 2003  Factory Repair Manual OK: Go to next step  
The same DTC is recorded.  
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS 
TABLE  
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )  
CIRCUIT DESCR

Page 89 of 4500

LEXUS LS430 2003  Factory Repair Manual VEHICLE CONDITION / TEST DETAILS DESCRIPTION
OK: Go to next step  
<0037004b00480003005200530048005500440057004c0052005100030056005200580051004700030052004900030057004b00480003002400250036000300500052

Page 97 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 69: Identifying Skid Control ECU Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLA

Page 102 of 4500

LEXUS LS430 2003  Factory Repair Manual HINT: 
It is suspect that the DTCs output was caused by the poor connection on the connector terminal. 
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )  
CIRCUIT DESCRIPTION 
If trouble o

Page 104 of 4500

LEXUS LS430 2003  Factory Repair Manual INSPECTION PROCEDURE 
HINT: 
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Page 109 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: Go to step 3  
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )  
3.CHECK TERMINAL VOLTAGE (STEERING ANGLE SENSOR CONNECTOR) 
a. Remove the steering wheel and the column lower cover.

Page 113 of 4500

LEXUS LS430 2003  Factory Repair Manual When U0123/62, U0124/95 or U0126/63 are output together with C1232/32, C1234/34, C1243/43, C1244/44, 
C1245/45, and C1381/97 inspect and repair the trouble areas indicated by U0121/94, U0123/62, U0124
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