LEXUS LS430 2003 Factory Repair Manual

Fig. 51: Checking Operation Of Headrest Motor

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PRECAUTION
SYSTEM REFERENCE TABLE
PROBLEM SYMPTOMS TABLE
Use Fig. 1
to help determine the cause of the problem. The numbers indicate the priority of the possible
cause of the problem. Check each part in order. If necessary, replace these parts.
Fig. 1: Problem Symptoms Table

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REPAIR
HINT:
System NameProceed To
Front Power Seat Control SystemINITIALIZATION

This is the repair procedure for vehicle pull.
Fig. 2: Repair Procedure Flow Chart

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COMPONENTS

Fig. 3: Identifying Front Suspension Components & Replacements (1 Of 4)
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Fig. 4: Identifying Front Suspension Components & Replacements (2 Of 4)
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Fig. 5: Identifying Front Suspension Components & Replacements (3 Of 4)
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Fig. 6: Identifying Front Suspension Components & Replacements (4 Of 4)
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ADJUSTMENT
1.INSPECT TIRE (See INSPECTION
)
2.MEASURE VEHICLE HEIGHT
Vehicle height:

Fig. 7: Measuring Vehicle Height
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Except air suspension:
EXCEPT AIR SUSPENSION
Air suspension:
AIR SUSPENSION
Measuring points:
A.Ground clearance of lower suspension arm No. 1 bushing set bolt center
B.Ground clearance of front wheel center
C.Ground clearance of rear suspension arm No. 2 set bolt center
D.Ground clearance of rear wheel center
Tire SizeFront B-ARear D-C
P225/55R17105 mm (4.13 in.)91 mm (3.58 in.)
245/45R18104 mm (4.09 in.)89 mm (3.50 in.)
Front B-ARear D-C
115 mm (4.53 in.)109 mm (4.29 in.)

HINT:
Bounce the vehicle up and down to stabilize the suspension and inspect the vehicle height.
3.INSPECT TOE-IN
Toe-in:
TOE-IN SPECIFICATION TABLE
If the toe-in is not within the specified range, adjust it at the rack ends.
Fig. 8: Inspecting Toe
-In
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4.ADJUST TOE-IN
Toe-in (total)A + B: 0°06' ± 12' (0.1° ± 0.2°)
Toe-in (total)C - D: 1 ± 2 mm (0.04 ± 0.08 in.) _