

370
8-1. Specifications
*
: The fluid capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
Ignition system (spark plug)
IS350
AWD/IS350/IS300
AWD
IS300
IS500
Make
DENSO FK20HBR8
NGK DILFR7K9G
DENSO FK20HBR-J8
Gap
0.031 in. (0.8 mm)
0.035 in. (0.9 mm)
0.031 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system (battery)
Open voltage at 68°F (20°C):
12.3 V or higher
(Check the voltage 20 minutes after the engine
and all lights are turned off.)
If the voltage is lower than the standard value,
charge the battery.
Charging rates
5 A max.
Automatic transmission
Fluid capacity
*
IS350 (2WD)
10.0 qt. (9.5 L, 8.4 Imp. qt.)
IS350
AWD/IS300
AWD (AWD)
10.6 qt. (10.0 L, 8.8 Imp. qt.)
IS300
9.2 qt. (8.7 L, 7.7 Imp. qt.)
IS500
11.4 qt. (10.8 L, 9.5 Imp. qt.)
Fluid type
Toyota Genuine ATF WS
NOTICE
■
Automatic transmission fluid type
Using transmission fluid other than the above type may cause abnormal noise or vibra-
tion, or damage the transmission of your vehicle.