2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 17: [Display NORM] 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
3.INSPECT STEERING PAD SWITCH ASSY 
a. Turn the ignition switch to the ON position.  
b. Push on the ON-OFF button of the cruise

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LEXUS LS430 2003  Factory Repair Manual Fig. 18: Multi-Information Display Chart On Combination Meter 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
The indication is immediately set to "LONG" each time the engine is started.

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LEXUS LS430 2003  Factory Repair Manual Fig. 19: Problem Symptoms Chart 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual 1.DISTANCE CONTROL ECU 
Fig. 20: Identifying ECU Terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
ECU TERMINALS VOLTAGE AND RESISTANCE 
a. Reference: waveform 1 
HINT: 
Terminal: LRDD - GND

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LEXUS LS430 2003  Factory Repair Manual Gauge set: 2 V/DIV, 10 ms/DIV  
Condition: Ignition switch ON  
Fig. 21: Signal Waveform Graph (Waveform 1)
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Reference: waveform 2 
HINT: 
Terminal: L

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LEXUS LS430 2003  Factory Repair Manual Fig. 22: Signal Waveform Graph (Waveform 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c.ECM 
Fig. 23: Identifying ECM Terminals
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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LEXUS LS430 2003  Factory Repair Manual Fig. 24: ECM Terminals Voltage And Resistance Chart 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
If the value is not within the standard range, some defects on the vehicle are suspected. 
d.LASER SE

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LEXUS LS430 2003  Factory Repair Manual Fig. 25: Identifying Laser Sensor Terminals 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
LASER SENSOR TERMINALS VOLTAGE AND RESISTANCE 
a. Reference: waveform 1 
HINT: 
Terminal: LRDD - SGND  
Gauge