2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual There are no foreign objects on each valve and they operate smoothly.
NG: REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSY (See step 6 on 
REPLACEMENT
 )  
OK: Go to next step  
5.INSPECT TORQUE CONVERT

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LEXUS LS430 2003  Factory Repair Manual Fig. 113: Gear Position Specification 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
Gear position during fail-safe operation:  
If any malfunction is detected, the ECM changes into the fail-safe mode

Page 2803 of 4500

LEXUS LS430 2003  Factory Repair Manual OFF malfunction (A)  
TYPICAL ENABLING CONDITIONS TABLE - OFF MALFUNCTION A 
OFF malfunction (B)  
TYPICAL ENABLING CONDITIONS TABLE - OFF MALFUNCTION B 
TYPICAL MALFUNCTION THRESHOLDS 
Both of the fo

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LEXUS LS430 2003  Factory Repair Manual OFF malfunction (B)  
TYPICAL MALFUNCTION THRESHOLDS TABLE - OFF MALFUNCTION B 
INSPECTION PROCEDURE 
HINT: 
Performing the ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and s

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LEXUS LS430 2003  Factory Repair Manual Fig. 115: Test Item Reference Chart 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
This test can be conducted when the vehicle speed is 50 km/h (31 mph) or less.  
The 4th to 5th and 5th to 6th

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LEXUS LS430 2003  Factory Repair Manual HINT: 
If any other codes besides "P0766" are output, perform troubleshooting for those DTCs first. 
B: GO TO RELEVANT DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART
 )  
A: Go to next step  
2.

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LEXUS LS430 2003  Factory Repair Manual Fig. 116: Measuring Line Pressure With SST 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
ITEM DIAGNOSTIC NOTE CHART

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LEXUS LS430 2003  Factory Repair Manual NG: REPLACE SHIFT SOLENOID VALVE SLT  
OK: GO TO NEXT STEP  
3.INSPECT SHIFT SOLENOID VALVE (S4) 
a. Remove the shift solenoid valve S4.  
b. Measure the resistance according to the value(s) in the ta