2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual AIR CONDITIONING AMPLIFIER - INTELLIGENT SWING REGISTER RESISTANCE
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Tester connectionConditionSpecified condition
A12-1 (DS1) - I18-3AlwaysBelow 1 ohms
A12-1

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LEXUS LS430 2003  Factory Repair Manual Fig. 197: Checking Harness And Connector (Air Conditioning Amplifier - Intelligent Swing 
Register)

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LEXUS LS430 2003  Factory Repair Manual Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
OK: REPLACE AIR CONDITIONING AMPLIFIER (SEE REPLACEMENT
 )

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LEXUS LS430 2003  Factory Repair Manual SYSTEM REFERENCE 
Fig. 1: Identifying DLC3 Connector Terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
System NameSee Procedure
Front Power Seat Control SystemINITIALIZATION

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LEXUS LS430 2003  Factory Repair Manual If the vehicle is raised with its engine running, connect terminals OPB and CG of the DLC3 to stop 
the vehicle height control operation of the suspension control ECU.  
Do not operate the steering wh

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LEXUS LS430 2003  Factory Repair Manual Fig. 2: Identifying Air Suspension System Components Location 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 3: Air Suspension System Diagram 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
1.AIR SUSPENSION SYSTEM DESCRIPTION

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LEXUS LS430 2003  Factory Repair Manual a. The suspension control ECU operates the compressor & motor with the dryer and uses the solenoid 
valves to control the vehicle height by analyzing the information based on the switches, sensors and