LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2019 >> Fiesta ST Line, Automatic DCT Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System - General Information >> Diagnosis And Testing >> Charging System - 1.6L EcoBoost (132kW/180PS) - Sigma >> Pinpoint Tests >> Pinpoint Test D : Radio Interference >> Pinpoint Test D : Radio Interference
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test D : Radio Interference

  1. D1 VERIFY THE GENERATOR IS THE SOURCE OF THE AUDIO SYSTEM INTERFERENCE

    • Start the engine and allow the engine to idle.

    • Tune the audio system to a station where interference is present.

    • Ignition OFF.

    • Disconnect Generator C102B.

    • Start the engine and allow the engine to idle.

    Is the interference present with the generator disconnected? 

    Yes  Diagnose the audio system. REFER to: Information and Entertainment System .
    No  INSTALL a new generator. REFER to: Generator - 1.6L EcoBoost (132kW/180PS) - Sigma .