2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual WIRING DIAGRAM 
Fig. 67: Identifying Stereo Component Amplifier Assy Wiring Diagram
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.CHECK HARNESS AND CONNECTOR (STEREO COMPONEN

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LEXUS LS430 2003  Factory Repair Manual Fig. 68: Identifying Stereo Components Amplifier Terminal Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 69: Identifying Stereo Components Amplifier Terminal Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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LEXUS LS430 2003  Factory Repair Manual Fig. 70: Identifying Combination Meter Assembly Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: Go to next step  
2.INSPECT COMBINATION METER ASSY 
a. Check the voltage. 
1. Jack up eithe

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LEXUS LS430 2003  Factory Repair Manual TESTER CONNECTION CONDITION CHART
Fig. 71: Inspecting Combination Meter Assy
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Tester connectionConditionSpecification
+S - Body groundIgnition switch ONVo

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LEXUS LS430 2003  Factory Repair Manual Fig. 72: Identifying Blinking Pattern 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: GO TO COMBINATION METER SYSTEM (SEE PRECAUTION
 )  
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYM

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LEXUS LS430 2003  Factory Repair Manual Fig. 73: Stereo Component Amplifier Assy Wiring Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.INSPECT STEREO COMPONENT AMPLIFIER ASSY 
a. Measure the voltage according

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LEXUS LS430 2003  Factory Repair Manual Fig. 74: Identifying Stereo Component Amplifier Assy Terminal Connector 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.