2003 LEXUS LS430 Factory Repair Manual

Page 489 of 4500

LEXUS LS430 2003  Factory Repair Manual

Page 490 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 14: Fail-Safe Chart 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
1.DATA LIST 
a. Connect the hand-held tester to the DLC3.  
b. Turn the ignition switch to the ON position.  
c. Following the d

Page 491 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 15: Hand-Held Tester Data List 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
2.ACTIVE TEST

Page 492 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Connect the hand-held tester to the DLC3.  
b. Turn the ignition switch to the ON position.  
c. Following the display on the hand-held tester, perform the "ACTIVE TEST". 
VEHICLE CONDITION

Page 493 of 4500

LEXUS LS430 2003  Factory Repair Manual For details of each code, go to Fig. 16
DTC C1715, DTC C1716, DTC C1717, 
DTC C1791, DTC C1792, DTC C1793
RIGHT FRONT ACCELERATION SENSOR CIRCUIT
DTC C1725, DTC C1726, DTC C1727, 
DTC C1728
RIGHT FRON

Page 494 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 16: Diagnostic Trouble Code Information Chart (1 Of 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Page 495 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 17: Diagnostic Trouble Code Information Chart (2 Of 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
*1: For codes in the "Indicator Light" column with a "circ" mark, the absorbe

Page 496 of 4500

LEXUS LS430 2003  Factory Repair Manual SHFR terminal of the height control sensor sub-assy to suspension control ECU, thus the vehicle height is 
detected. 
Fig. 18: Front Height Control Sensor Circuit Description
 
Courtesy of TOYOTA MOTO