2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 75: Identifying Climate Control Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR  
OK: Go to next step  
12.CHECK WIRE HARNESS

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LEXUS LS430 2003  Factory Repair Manual Rear LH  
TESTER CONNECTION AND SPECIFIED CONDITION - REAR RH 
Rear RH  
TESTER CONNECTION AND SPECIFIED CONDITION - REAR RH 
Tester ConnectionSpecified Condition
C31-11 (SWL) - C27-8 (SW)Below 1 ohms

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LEXUS LS430 2003  Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 76: Identifying Seat Climate Control Blower Connector Terminals And Climate Control 
Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS AND CO

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LEXUS LS430 2003  Factory Repair Manual If the result is not as specified, replace the switch or bulb.
Measurement ConditionCondition
Battery positive (+) --> Terminal 20 (ILL+) Battery negative (-) --> Terminal 5 
(ILL-)Illuminates

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LEXUS LS430 2003  Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 77: Identifying Traction Control Switch Connector Terminals -Driver Side (Climate Control 
Switch Front) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
2.Passenger's side: 
INSPECT TRACTION C

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LEXUS LS430 2003  Factory Repair Manual Fig. 78: Identifying Traction Control Switch Connector Terminals - Passenger Side (Climate 
Control Switch Front)