2003 LEXUS LS430 Factory Repair Manual

Page 73 of 4500

LEXUS LS430 2003  Factory Repair Manual There is no clearance between the sensor and the front steering knuckle.  
NG: REPLACE FRONT SPEED SENSOR  
Fig. 52: Inspecting Front Speed Sensor Gap
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
O

Page 74 of 4500

LEXUS LS430 2003  Factory Repair Manual Refer to DTC C0200/31 RIGHT FRONT SPEED SENSORor DTC C0205/32 LEFT FRONT SPEED 
SENSOR . 
Fig. 53: DTC C0210/33 And DTC C0215/34 Detecting Condition And Trouble Area
 
Courtesy of TOYOTA MOTOR SALES,

Page 75 of 4500

LEXUS LS430 2003  Factory Repair Manual corresponding to a DTC (see CHECK FOR INTERMITTENT PROBLEMS ). 
MEASUREMENT ITEM / RANGE (DISPLAY) DESCRIPTION 
OK: Go to next step  
There are no momentary interruption.  
HINT: 
Perform the above in

Page 76 of 4500

LEXUS LS430 2003  Factory Repair Manual NG: Go to step 4  
OK: Go to next step  
3.INSPECT SPEED SENSOR AND SENSOR ROTOR SERRATIONS 
Fig. 55: Normal Signal Waveform
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
INSPECTION USING OSCILLOSCO

Page 77 of 4500

LEXUS LS430 2003  Factory Repair Manual fluctuation in the output voltage becomes greater. 
When noise is identified in the waveform on the oscilloscope, error signals are generated due to the 
speed sensor rotor's scratches, looseness

Page 78 of 4500

LEXUS LS430 2003  Factory Repair Manual Standard:  
TESTER CONNECTION SPECIFIED CONDITION LH: 
TESTER CONNECTION SPECIFIED CONDITION RH: 
e. Measure the resistance according to the value (s) in the table below.  
Standard:  
TESTER CONNECTI

Page 79 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 57: Identifying Skid Control ECU Connector And Rear Speed Sensor Connector Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
a. Disconnect the skid control ECU connector and the rear speed

Page 80 of 4500

LEXUS LS430 2003  Factory Repair Manual TESTER CONNECTION SPECIFIED CONDITION RH: 
c. Measure the resistance according to the value (s) in the table below.  
Standard:  
TESTER CONNECTION SPECIFIED CONDITION LH: 
TESTER CONNECTION SPECIFIED