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 Audio Control Module (ACM) Self-Diagnostic Mode - General Procedures
Audio Systems Without Navigation NOTE: If the Audio Front Control Module (ACM) is inoperable the ACM part number may be obtained from a label affixed to the chassis. Turn the ACM on. Operate the audio system in radio tuner (AM/FM) mode. Press and hold preset buttons 3 and 6 fo ...