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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1570 (Charging System - General Information (Except Electric)) >> Diagnosis And Testing >> Charging System - 2.0L EcoBoost (184kW/250PS) - MI4 >> Inspection and Verification

Inspection and Verification

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  1. Verify the customer concern by operating the charging 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.
    • Check the engine and battery grounds for loose, damaged or corroded connections.
    • Check the high current BJB for loose or corroded connections.
    • Verify fuses or fusible links.
    • Inspect the wiring, terminals and connectors.
    • Inspect the FEAD system. REFER to ACCESSORY DRIVE .

  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.
  6. Using the diagnostic scan tool, retrieve all Diagnostic Trouble Codes (DTCs). Refer to the appropriate DTC Charts .
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