Electrical System - Lexus IS250 U Owner's Manual

516
9-1. Specifications
Cooling system
Capacity
Coolant type
Ignition system
Spark plug
■
Make
Gap
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):
Charging rates
IS350/250_U (OM53C50U)
IS250
11.1 qt. (10.5 L, 9.2 Imp. qt.)
Use either of the following:
• "Toyota Super Long Life Coolant"
• Similar high-quality ethylene glycol-based non-silicate,
non-amine, non-nitrite, and non-borate coolant with long-
life hybrid organic acid technology
Do not use plain water alone.
DENSO FK20HBR11
0.043 in. (1.1 mm)

12.6 12.8 V Fully charged

12.2 12.4 V Half charged

11.8 12.0 V Discharged
(Check the voltage 20 minutes after the engine and all
lights are turned off.)
5 A max.
IS350
9.8 qt. (9.3 L, 8.2 Imp. qt.)