2003 LEXUS LS430 Factory Repair Manual

Page 1577 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 66: Identifying C17 Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (CLEARANCE WARNING ECU 
ASSY - BODY GROUND)  
OK: Go To Next Step

Page 1578 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 67: Identifying Outer Mirror Switch Assy Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE OUTER MIRROR SWITCH ASSY  
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (CLEA

Page 1579 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 68: Clearance Warning Buzzer No.1 Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.PERFORM ACTIVE TEST BY HAND-HELD TESTER 
a. Connect the hand-held tester to

Page 1580 of 4500

LEXUS LS430 2003  Factory Repair Manual c. Measure the resistance according to the value (s) in the table below.  
Standard:  
TESTER CONNECTION SPECIFIED CONDITION 
Tester connection (Symbols)ConditionSpecified condition
C17-4 (FBZ+) - C9-

Page 1581 of 4500

LEXUS LS430 2003  Factory Repair Manual

Page 1582 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 69: Identifying Clearance Warning ECU Assy Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: Go To Next Step.  
3.REPLACE CLEARANCE WARNING

Page 1583 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 70: Clearance Warning Buzzer No.2 Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.PERFORM ACTIVE TEST BY HAND-HELD TESTER 
a. Connect the hand-held tester to

Page 1584 of 4500

LEXUS LS430 2003  Factory Repair Manual c. Measure the resistance according to the value (s) in the table below.  
Standard:  
TESTER CONNECTION SPECIFIED CONDITION 
Tester connection (Symbols)ConditionSpecified condition
C17-6 (RBZ+) - C16