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Home >> Ford >> 2018 >> Focus SEL, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Starting System - 2.3L ECOBOOST (257KW/350PS) - Mi4) >> Diagnosis And Testing >> Starting System >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different variant/trim than selected.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods . for information about these practices.

  1. Verify the customer concern by operating the starting system.
  2. Before diagnosing or repairing the charging system inspect the following items:

    • Check the battery for loose, damaged or corroded connections
    • Check the generator for loose, damaged or corroded connections
    • Fusible links
    • Check engine and battery grounds for loose, damaged or corroded connections
    • High current BJB for loose or corroded connections
    • Wiring, terminals or connectors

  3. Check the battery condition and state of charge. REFER to: Battery .
  4. Check for abnormal ignition-off current drain(s). REFER to: Battery Drain Check .
  5. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding.