2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Standard:  
Rear LH  
TESTER CONNECTION AND SPECIFIED CONDITION - REAR RH 
Rear RH  
TESTER CONNECTION AND SPECIFIED CONDITION - REAR RH 
Fig. 68: Identifying Seat Climate Control Blower Connector Ter

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LEXUS LS430 2003  Factory Repair Manual 5.CHECK WIRE HARNESS (LUGGAGE ROOM J/B ASSY - BODY GROUND) 
a. Disconnect the LC J/B connector.  
b. Measure the voltage of the J/B connector.  
Standard:  
Rear LH  
TESTER CONNECTION AND SPECIFIED C

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LEXUS LS430 2003  Factory Repair Manual Fig. 69: Identifying LC Luggage Room J/B Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: Go to step 6  
OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (LUGGAGE ROOM J/B ASSY - 
CLI

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LEXUS LS430 2003  Factory Repair Manual Fig. 70: Identifying LL Luggage Room J/B Ground Harness 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR  
OK: Go to next step  
7.CHECK WIRE HARNESS (LUGGAGE

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LEXUS LS430 2003  Factory Repair Manual Fig. 71: Identifying LA Luggage Room J/B Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR  
OK: Go to next step  
8.INSPECT RELAY (Marking

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LEXUS LS430 2003  Factory Repair Manual TESTER CONNECTION AND SPECIFIED CONDITION
Fig. 72: Identifying L
-IG1 Relay Terminals And Circuit 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE RELAY  
OK: Go to next step  
9.CHECK WIRE

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LEXUS LS430 2003  Factory Repair Manual Fig. 73: Identifying L14 Luggage Room J/B ECU Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSY  
OK: REPLACE LUGGAGE ROOM JUNCTION BLOCK

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LEXUS LS430 2003  Factory Repair Manual Fig. 74: Identifying Climate Control Switch Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE REAR SEAT HEATER SWITCH  
OK: Go to next step  
11.CHECK WIRE HARNESS (CLIMAT