LEXUS LS430 2003 Factory Repair Manual

display on the combination meter when starting the beam axis adjustment mode with the hand-held
tester.
Fig. 35: Confirming Current Distance

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
g. Adjustment in horizontal direction
1. Read the divergence in the current angle.
Standard:
0° (Both right and left)
2. Based on the measured divergence of the beam axis, turn and adjust screw B for horizontal
adjustment of the millimeter wave radar sensor using a hexagon wrench.
HINT:

If "LEFT SIDE: 0.6°" is displayed, the divergence is 0.6° in the left direction. Give the screw
approximately 3 turns to the positive (+) side.
Fig. 36: Adjusting In Horizontal Direction

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result:
Fig. 37: Adjustment Direction Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
If the value does not change to 0°, it is possible that the sensor is aiming at something
different. Reconfirm that there are no reflective materials in the surroundings.
3. Cover the sensor's right half with metal that can block radio wave (such as aluminum foil) in
order to reset the driving learning values (approximately 10 seconds).
Fig. 38: Covering Sensor With Metal

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
When the reset is completed, the buzzer sounds for 10 seconds.

4. Disconnect the hand-held tester from the DLC3.
h. Recheck vertical adjustment of the millimeter wave radar sensor.
1. Set the specified level on the center of the level rack of the millimeter wave radar sensor.
Fig. 39: Setting Specified Level On Center Of Level Rack

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Using a hexagon wrench, turn and adjust screw A for vertical adjustment of the millimeter wave
radar sensor so that the air bubble is within the red frame on the level.
Standard:
Adjustable range within the red frame of the level is +/-0.2°.

Fig. 40: Adjusting Screw A For Vertical Adjustment
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result:

Fig. 41: Result Description Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
1.SEPARATE BATTERY NEGATIVE TERMINAL
2.REMOVE SWITCH & VOLUME CASE
3.REMOVE STEERING WHEEL COVER LOWER NO. 2
4.REMOVE HORN BUTTON ASSY (See step 5 in REPLACEMENT
)
5.REMOVE STEERING WHEEL ASSY (See step 7 in OVERHAUL
)
6.REMOVE CRUISE CONTROL MAIN SWITCH ASSY
a. Remove the 2 screws and steering wheel damper.
Fig. 42: Removing Steering Wheel Damper

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Disconnect the connectors.
c. Remove screw (A) and disengage the claw.

Fig. 43: Removing Screw (A) And Disengaging Claw
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Remove 2 screws (B) and the steering wheel LWR cover.
e. Remove the 2 screws and cruise control main switch ass
y.

Fig. 44: Removing Cruise Control Main Switch Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.INSPECT STEERING WHEEL CENTER POINT
8.INSTALL STEERING WHEEL ASSY (See step 96 in OVERHAUL
)
9.INSTALL HORN BUTTON ASSY (See step 6 in REPLACEMENT
)
10.CONNECT BATTERY NEGATIVE TERMINAL
11.INSPECT HORN BUTTON ASSY
12.INSPECT SRS WARNING LIGHT

SYSTEM REFERENCE TABLE
System NameProceed To
Front Power Seat Control SystemINITIALIZATION

Fig. 1: Identifying Defogger System Components And Replacements Location
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.