Ford Focus Service Manual: Charging

Charging System Principles of Operation

The PCM-controlled charging system, or "Smart Charge" charging system, determines the optimal voltage set point for the charging system and communicates this information to the voltage r ...

Charging System

The charging system is a negative ground system consisting of: a generator with an internal voltage regulator. a charging system warning indicator. a battery. circuitry and cables. a ...

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Ford Focus Battery and Cables
Vehicles are equipped with a 12-volt, maintenance-free battery. The battery and cable system consists of the following components: Battery Battery cable assembly Battery tray The battery is a 12V DC source connected in a negative ground system. The battery case is sealed with 2 ve ...