2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 110: Checking Harness And Connector (Cool Air Bypass Servomotor - Air Conditioning 
Amplifier) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR  
OK: REPL

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LEXUS LS430 2003  Factory Repair Manual Fig. 112: Air Inlet Damper Control Servomotor Circuit 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION PROCEDURE 
1.PERFORM ACTUATOR CHECK
 
a. Remove the glove box to see and check the air i

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LEXUS LS430 2003  Factory Repair Manual Fig. 113: Checking Actuator 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
DISPLAY CODE - RECIRCULATION DAMPER POSITION 
OK:  
Recirculation damper changes in accordance with each display code.
Displa

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LEXUS LS430 2003  Factory Repair Manual Result:  
ACTUATOR TEST RESULT 
B: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
C: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT )  
A: Go to next step  
2.INSPECT AIR INLE

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LEXUS LS430 2003  Factory Repair Manual Fig. 114: Inspecting Air Inlet Servomotor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
NG: REPLACE AIR INLET SERVOMOTOR  
OK: Go to next step  
3.CHECK HARNESS AND CONNECTOR (AIR INLET SERVOMOTOR - A

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LEXUS LS430 2003  Factory Repair Manual Fig. 115: Checking Harness And Connector (Air Inlet Servomotor - Air Conditioning Amplifier) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT )  
CIRCUIT DESCRIPTION 
In this circuit, the compressor assembly receives a signal on refrigerant co

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LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE 
1.INSPECT AIR CONDITIONING AMPLIFIER (SOL+ - SOL-) 
a. Remove the A/C amplifier with connectors still connected.  
b. Turn the igniti