Charging System: 1J-1
Charging System
General Description
Battery Description
S5JB0A1A01001
The battery has three major functions in the electrical system.
• It is a source of electrical energy for cranking the engine.
• It acts as a voltage stabilizer for the electrical system.
• It can, for a limited time, provide energy when the electrical load exceeds the output of the generator.
Carrier and Hold-Down
The battery carrier should be in good condition so that it will support the battery securely and keep it level.
Before installing the battery, the battery carrier and hold-down clamp should be clean and free from corrosion and
make certain there are no parts in carrier.
To prevent the battery from shaking in its carrier, the hold-down bolts should be tight enough but not over-tightened.
Electrolyte Freezing
The freezing point of electrolyte depends on its specific gravity. Since freezing may ruin a battery, it should be
protected against freezing by keeping it in a fully charged condition. If a battery is frozen accidentally, it should not be
charged until it is warmed.
Sulfation
If the battery is allowed to stand for a long period in discharged condition, the lead sulfate becomes converted into a
hard, crystalline substance, which will not easily turn back to the active material again during the subsequent
recharging. “Sulfation” means the result as well as the process of that reaction.
Such a battery can be revived by very slow charging and may be restored to usable condition but its capacity is lower
than before.
Built-in Indicator (if equipped)
The battery has a built-in temperature compensated indicator (1) in the top of the battery. This indicator is to be used
with the following diagnostic procedure.
When checking the indicator, make sure that the battery has a clean top. A light may be needed in some poorly-lit
areas.
Three types of indication available under normal operation are as follows.
IYSQ011A0001-01
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