2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual 3.CHECK HARNESS AND CONNECTOR (TC of DLC3 - BODY GROUND) 
a. Measure the resistance according to the value(s) in the table below.  
DLC3 CONNECTOR TERMINALS RESISTANCE SPECIFICATION 
NG: REPAIR OR REP

Page 1946 of 4500

LEXUS LS430 2003  Factory Repair Manual PRECAUTION 
REPLACEMENT 
1.SEPARATE BATTERY NEGATIVE TERMINAL  
2.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 2 (See step 21 in 
REPLACEMENT
 )  
3.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY (See s

Page 1947 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 1: Removing Cruise Control ECU Assy 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
8.INSTALL CRUISE CONTROL ECU ASSY 
a. Install the cruise control ECU (distance control ECU) assy with the nut.

Page 1948 of 4500

LEXUS LS430 2003  Factory Repair Manual 3. With the brake pedal depressed, push the cruise control main switch to RES/ACC 3 times within 3 
seconds. Check that the VSC buzzer sounds at this time.  
REPLACEMENT 
1.SEPARATE BATTERY NEGATIVE T

Page 1949 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 2: Removing Laser Sensor 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
10.INSTALL LASER SENSOR 
11.INSTALL FRONT BUMPER REINFORCEMENT SUB-ASSY (See step 25 in REPLACEMENT
 )  
12.ADJUST FOG LIGH

Page 1950 of 4500

LEXUS LS430 2003  Factory Repair Manual HINT: 
There is a limitation on laser optical axis adjustment.  
Since the laser sensor is installed in the bumper reinforcement, it is important that the laser sensor, 
bumper reinforcement, and othe

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LEXUS LS430 2003  Factory Repair Manual Fig. 3: Adjusting Laser Optical Axis 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Reflector (SST) placement 
1. Measure the hei
ght to the center of the laser luminous portion.

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LEXUS LS430 2003  Factory Repair Manual Fig. 4: Reflector (SST) Placement 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
2. Adjust the center height of the reflector 48 mm (1.89 in.) higher than the center of the laser 
luminous portion. 
S