Pinpoint Test D: Radio Interference

D1 VERIFY THE GENERATOR IS THE SOURCE OF THE AUDIO SYSTEM INTERFERENCE
- Start the engine.
- Allow the engine to idle.
- Tune the audio system to a station where interference is present.
- Ignition OFF.
- Disconnect Generator C1104A (1.6L EcoBoost engine).
- Disconnect Generator C102B (2.0L EcoBoost or 2.5L Duratec engines).
- Start the engine.
- Allow the engine to idle.
Is the interference present with the generator disconnected?
- Yes : DIAGNOSE the audio system. Refer to the appropriate Information and Entertainment System service information for the procedure.
- No : INSTALL a new generator. For 1.6L EcoBoost,
  Refer to: GENERATOR - 1.6L ECOBOOST (132KW/180PS) - SIGMA .
  
  For 2.0L EcoBoost, Refer to: GENERATOR - 2.0L ECOBOOST (177KW/240PS) - MI4 .
  
  For 2.0L Duratec, Refer to: GENERATOR - 2.5L DURATEC (125KW/170PS) .