2003 LEXUS LS430 Control actuator

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Page 186 of 4500

LEXUS LS430 2003  Factory Repair Manual VEHICLE CONDITION / TEST DETAILS
d. Check that skid control buzzer sounds by operating with the hand-held tester.  
OK: Go to next step  
The skid control buzzer sounds in accordance with operation of

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LEXUS LS430 2003  Factory Repair Manual Fig. 140: Identifying Skid Control ECU Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )

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LEXUS LS430 2003  Factory Repair Manual Fig. 142: Identifying Skid Control ECU Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE REPLACEMENT
 )

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LEXUS LS430 2003  Factory Repair Manual Fig. 16: Connecting Hand-Held Tester To DLC3 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
Refer to the intelligent tester II operator's manual for further details. 
1.ACTUATOR CHECK 
a. T

Page 229 of 4500

LEXUS LS430 2003  Factory Repair Manual DATA LIST / ENGINE AND ECT / ALL:  
DATA LIST / ENGINE AND ECT / ALL 
2.ACTIVE TEST 
HINT: 
Performing the ACTIVE TEST
 using the hand-held tester allows the relays, VSV, actuators and so on to 
opera

Page 230 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 22: Identifying Air Conditioning Amplifier Connector Front View 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
AIR CONDITIONING AMPLIFIER CONNECTOR SPECIFICATIONS 
ItemTest Details / Display (Ran

Page 233 of 4500

LEXUS LS430 2003  Factory Repair Manual 12)side)switch ON.
DrDN - DrGND 
(A12-21 - A12-
11)P-L - LG-
RTemperature control 
switch signal (Driver side)Push driver temperature switch 
OFF.10 to 14 V
DrDN - DrGND 
(A12-21 - A12-
11)P-L - LG-
R

Page 234 of 4500

LEXUS LS430 2003  Factory Repair Manual side)code 9.
AODr1 - GND 
(A37-5 - A11-1)L - W-B
Air outlet servomotor 
operation signal (Driver 
side)During actuator check mode. 
Change display code 0 to display 
code 9.Pulse 
generation
AODr2 - G