2003 LEXUS LS430 Factory Repair Manual

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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 98 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 71: ABS Solenoid Relay Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. INSPECTION PROCEDURE 1.INSPECT FUSE (ABS1 FUSE) a. Remove the ABS 1 fuse from the fusible link block. b. M

Page 99 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 72: Identifying ABS 1 Fuse Location Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Page 100 of 4500

LEXUS LS430 2003 Factory Repair Manual NG: CHECK FOR SHORT IN ALL HARNESS AND CONNECTOR CONNECTED TO FUSE AND REPLACE FUSE OK: Go to next step 2.INSPECT SKID CONTROL ECU CONNECTOR (+BS TERMINAL VOLTAGE) a. Disconnect the skid control

Page 101 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 73: Identifying SKID Control ECU Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 3.RECONFIRM DTC HINT: This code is detected when a problem is determined in the brake actuato

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 103 of 4500

LEXUS LS430 2003 Factory Repair Manual NORMAL CODE DESCRIPTION B: REPAIR ENGINE CONTROL SYSTEM ACCORDING TO DTC OUTPUT A: REPLACE ECM CIRCUIT DESCRIPTION DTC DETECTING CONDITION DESCRIPTION INSPECTION PROCEDURE REPLACE ECM CIRCUI

Page 104 of 4500

LEXUS LS430 2003 Factory Repair Manual INSPECTION PROCEDURE HINT: <003a004b00480051000300380013001400150016001200190015000f0003003800130014001500170012001c0018000300520055000300380013001400150019001200190016000300440055004800030052005800
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