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 ...

More about Ford Focus:

Ford Focus Starting System - Description and Operation
The starting system consists of the following: Starter motor Starter motor relay Transmission Range (TR) sensor — automatic transaxle only Clutch cutoff switch — manual transaxle only Battery Ignition switch PCM Start diode When the starter solenoid is energized, a ...