Page 345 of 432
INTRODUCTION
327
Checking battery condition
Non±maintenance batteries
Tools:
Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Maintenance type batteries
Parts (if level is low):
Distilled water
Tools:
Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Coin (for vent plugs)
Funnel (only for adding distilled water)
Checking and replacing the blade type fuses
Parts (if replacement is necessary):
Fuse with same amperage rating as original
Checking the cartridge type fuses
Parts (if replacement is necessary):
Genuine Lexus fuse or equivalent with same amperage
rating as original
Adding washer fluid
Parts:
Water
Washer fluid containing antifreeze (for winter use)
Tools:
Funnel
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Page 347 of 432
SECTION 6 ± 2
329
SERVICE PROCEDURES AND
SPECIFICATIONS
Engine
Specifications (SC400) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
330
Specifications (SC300) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
334
Fuel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . .
337
Facts about engine oil consumption . . . . . . . . . . . . . . . . . . . .
339
Used engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
341
Checking the engine oil level . . . . . . . . . . . . . . . . . . . . . . . . .
342
Checking the engine coolant level . . . . . . . . . . . . . . . . . . . . .
347
Checking the engine fan fluid . . . . . . . . . . . . . . . . . . . . . . . . .
349
Spark plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . .
350
Page 348 of 432
ENGINE
330
SPECIFICATIONS (SC400)
± GENERALModel
Type
Bore and stroke
Displacement
Valve clearance (engine cold) Intake
Exhaust
Drive belt tension
1UZ±FE
8 cylinder V type, 4 cycle, gasoline
87.5 X 82.5 mm (3.44 X 3.25 in.)
3969 cm
3 (242.1 cu.in.)
0.15 ± 0.25 mm (0.006 ± 0.010 in.)
0.25 ± 0.35 mm (0.010 ± 0.014 in.)
Automatic adjustment
± LUBRICATION SYSTEM
Page 349 of 432
ENGINE
331
Oil capacity
Drain and refillwith filter
without filter
Oil grade
Recommended oil viscosity (SAE):
4.7 L (5.0 qt., 4.2 lmp.qt.)
4.8 L (5.1 qt., 4.2 lmp.qt.)
API SJ, ºEnergy±Conservingº multigrade engine oil or
ILSAC multigrade engine oil
± COOLING SYSTEM
Capacity
Coolant type
11.6 L (12.3 qt., 10.2 lmp.qt.)
ºToyota Long Life Coolantº or equivalent
With ethylene±glycol type coolant for a proper corrosion
protection of aluminum components
Do not use alcohol type antifreeze or plain water alone.
± FUEL
Fuel type
Octane rating
Only UNLEADED
91 (Research octane number 96) or higher
Page 350 of 432
ENGINE
332± IGNITION SYSTEM
Spark plug ± Make DENSO NGK
± Gap
SK20R11
IFR6A11
1.1 mm (0.043 in.)
Page 351 of 432
ENGINE
333
± ELECTRICAL SYSTEM
Battery ± Maintenance type battery Specific gravity reading at 20 C (68F):
Charging rates Quick charge Slow charge
± Non±maintenance battery Open voltage at 20C (68F):
Charging rates
1.260 Fully charged
1.160 Half charged
1.060 Discharged
15A max.
5A max.
12.7V Fully charged
12.3V Half charged
11.9V Discharged
[Voltage that is checked 20 minutes after the key is
removed with all the lights turned off]
5A max.
Page 352 of 432
ENGINE
334
SPECIFICATIONS (SC300)
± GENERALModel
Type
Bore and stroke
Displacement
Valve clearance (engine cold) Intake
Exhaust
Drive belt tension
2JZ±GE
6 cylinder in line, 4 cycle, gasoline
86.0 X 86.0 mm (3.39 X 3.39 in.)
2997 cm
3 (182.9 cu.in.)
0.15 ± 0.25 mm (0.006 ± 0.010 in.)
0.25 ± 0.35 mm (0.010 ± 0.014 in.)
Automatic adjustment
± LUBRICATION SYSTEM