2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 154: Inspecting Air Conditioning Amplifier (ACC - Body Ground) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS 
TABLE  
2.INSPECT F

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LEXUS LS430 2003  Factory Repair Manual Fig. 155: Identifying Location Of Fuse (P-ACC) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (AIR CONDITIONING 
AMPLIFIER - BATTERY)  
CIRCUIT DESCRIPTION

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LEXUS LS430 2003  Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 156: Identifying Blower Motor Circuit Description
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
WIRING DIAGRAM 
Fig. 157: Blower Motor Circuit
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSP

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LEXUS LS430 2003  Factory Repair Manual DATA LIST / AIR CONDITIONER:
DATA LIST / AIR CONDITIONER 
OK:  
The display is as specified in the normal condition.  
NG: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT
 )  
OK: Go to next step

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LEXUS LS430 2003  Factory Repair Manual b. Turn the radio and receiver assy on.  
c. Set the radio channels and register them.  
d. Turn the ignition switch off.  
e. Turn the ignition switch to the ON position.  
f. Turn the radio and rece

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LEXUS LS430 2003  Factory Repair Manual Fig. 158: Identifying Location Of Fuse (Heater) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: Go to next step  
5.CHECK HARNESS AND CONNECTOR (BLOWER MOTOR - AIR CONDITIONING 
AMPLIFIER) (SEE ELE

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LEXUS LS430 2003  Factory Repair Manual <0029004c004a0011000300140018001c001d00030026004b00480046004e004c0051004a0003002b004400550051004800560056000300240051004700030026005200510051004800460057005200550003000b0025004f0052005a004800550003003