LEXUS LS430 2003 Factory Repair Manual

Fig. 3: Adjusting Laser Optical Axis
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b. Reflector (SST) placement
1. Measure the hei
ght to the center of the laser luminous portion.

Fig. 4: Reflector (SST) Placement
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2. Adjust the center height of the reflector 48 mm (1.89 in.) higher than the center of the laser
luminous portion.
SST 09870-60000 (09870-6001, 09870-60020)

Fig. 5: Adjusting Center Height Of Reflector
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3. From the center (center of the emblem) of the front and rear bumpers, hang down the string
with the plumb bob and mark the center points (both front and rear) of the vehicle on the
ground.
4. Extend the 10 m (32.82 ft) string from the rear center mark forward through the front center
mark. Make a mark 5 m (16.41 ft) forward of the front marked point.

Fig. 6: Extending String From Rear Center Mark Forward Through Front Center
Mark
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HINT:
Fix one end of the string to the rear center mark and move the other end right and left at a
point 5 m from the front of the vehicle. Make a 5 m (16.41 ft) mark when the string and the
front vehicle center mark intersect.

Fig. 7: Making Mark When String And Front Of Vehicle Center Mark Intersect
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5. From the 5 m (16.41 ft) marked position, measure 292 mm (11.50 in.) to the right and place
the reflector there.
Fig. 8: Placing Reflector

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c. Adjust the laser beam axis
1. Turn the ignition switch to the ON position.
2. Push the cruise control main switch ON-OFF button on.
3. Connect the hand-held tester to the DLC3, and turn the power ON.
Fig. 9: Connecting Hand
-Held Tester To DLC3
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4. Operate by following the screen menu and select "BEAM AXIS ADJUST" of the Laser Cruise
Control, then press the "ENTER" key.
HINT:
Pressing the "ENTER" key will make the ECM transfer to BEAM AXIS ADJUSTMENT
MODE.
When the ECM transfers to BEAM AXIS ADJUSTMENT MODE, the buzzer sounds for 1
second.

Fig. 10: Selecting "BEAM AXIS ADJUST" Screen
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5. Select "5: LASER CRUISE".

Fig. 11: Selecting "5: LASER CRUISE"
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6. Press the "ENTER" key.
7. Select "6: BEAM AXIS ADJUST".

Fig. 12: Selecting "6: BEAM AXIS ADJUST"
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8. Press the "ENTER" key.
9. Press the "ENTER" ke
y.

Fig. 13: Pressing "ENTER" Key
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10. After the CRUISE main indicator li
ght comes on, press the "ENTER" key.