Lexus GS300/400 (2000 year). Manual — part 225
P10588
Ohmmeter
Continuity
P10589
Ohmmeter
No Continuity
Z07019
Brush Holder Side
Field Frame Side
Length
Length
ST0019
ST–8
–
STARTING (2JZ–GE)
STARTER
1626
3.
INSPECT FIELD COIL
(a)
Check the field coil for open circuit.
Using an ohmmeter, check that there is continuity be-
tween the lead wire and field coil brush lead.
If there is no continuity, replace the field frame.
(b)
Check the field coil for ground.
Using an ohmmeter, check that there is no continuity be-
tween the field coil end and field frame.
If there is continuity, replace the field frame.
4.
INSPECT BRUSHES
Using a vernier caliper, measure the brush length.
Standard length: 15.5 mm (0.610 in.)
Minimum length: 10.0 mm (0.394 in.)
If the length is less than minimum, replace the brush holder and
field frame.
5.
INSPECT BRUSH SPRINGS
Check the brush spring load. Take the pull scale reading the
instant the brush spring separates from the brush.
Standard spring installed load:
17.6 – 23.5 N (1.8 – 2.4 kgf, 3.9 – 5.3 lbf)
Minimum spring installed load:
11.8 N (1.2 kgf, 2.6 lbf)
If the installed load is less than minimum, replace the brush
springs.
P10592
Ohmmeter
No Continuity
P10821
Free
LOCK
B01968
Ohmmeter
Continuity
Terminal C
Terminal 50
B01969
Ohmmeter
Continuity
Terminal 50
–
STARTING (2JZ–GE)
STARTER
ST–9
1627
6.
INSPECT BRUSH HOLDER
Check the brush holder insulator. Using an ohmmeter, check
that there is no continuity between the positive (+) and negative
(–) brush holders.
If there is continuity, repair or replace the brush holder.
7.
INSPECT CLUTCH AND GEAR
(a)
Check the gear teeth on the pinion gear, idle gear and the
clutch assembly for wear or damage.
If damaged, replace the gear or clutch assembly.
If damaged, also check the drive plate ring gear for wear or
damage.
(b)
Check the clutch pinion gear.
Rotate the pinion gear counterclockwise, and check that
it turns freely. Try to rotate the pinion gear clockwise and
check that it locks.
If necessary, replace the clutch assembly.
8.
INSPECT MAGNETIC SWITCH
(a)
Check the pull –in coil for open circuit.
Using an ohmmeter, check that there is continuity be-
tween terminals 50 and C.
If there is no continuity, check and replace the magnetic switch.
(b)
Check the hold–in coil for open circuit.
Using an ohmmeter, check that there is continuity be-
tween terminal 50 and the switch body.
If there is no continuity, replace the magnetic switch.
9.
INSPECT BEARING
Turn the bearing by hand and while apply inward force.
If resistance is felt or bearing sticks, replace the bearing.
(See page
SR0DE–01
–
STEERING
STEERING SYSTEM
SR–1
2171
STEERING SYSTEM
PRECAUTION
Care must be taken to replace parts properly because they could affect the performance of the
steering system and result in a driving hazard.
The LEXUS GS400/300 is equipped with SRS (Supplemental Restraint System) such as the driv-
er airbag and front passenger airbag. Failure to carry out service operation in the correct se-
quence could cause the SRS to unexpectedly deployed during servicing, possibly leading to
a serious accident. Before servicing (including removal or installation of parts, inspection or
replacement), be sure to read the precautionary notices in the RS section.
SR0DL–04
F03675
Screw
Case
Torx
Screw
F02560
Airbag Connector
Correct
Wrong
F02561
Matchmarks
SST
–
STEERING
POWER TILT AND POWER TELESCOPIC STEERING
COLUMN
SR–11
2181
REMOVAL
1.
REMOVE STEERING WHEEL PAD
NOTICE:
If the airbag connector is disconnected with the igni-
tion switch at ON or ACC, DTCs will be recorded.
Never use airbag parts from another vehicle. When
replacing parts, replace with new ones.
(a)
Place the front wheels facing straight ahead.
(b)
Remove the steering wheel lower No.2 and No.3 covers.
(c)
Using a torx socket wrench, loosen the 2 torx screws.
HINT:
Loosen the 2 screws until the groove along the screw circumfer-
ence catches on the screw case.
(d)
Pull the pad out from the steering wheel and disconnect
the airbag connector.
CAUTION:
When storing the wheel pad, keep the upper surface
of the pad facing upward.
Never disassemble the wheel pad.
NOTICE:
When removing the wheel pad, take care not to pull the air-
bag wire harness.
2.
REMOVE STEERING WHEEL
(a)
Disconnect the connector.
(b)
Remove the steering wheel set nut.
(c)
Place matchmarks on the steering wheel and main shaft
assembly.
(d)
Using SST, remove the wheel.
SST
09950–50012 (09951–05010, 09952–05010,
09953–05020, 09954–05020)
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