Pinpoint Test H: Radio Interference
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- H1 VERIFY THE GENERATOR IS THE SOURCE OF THE RADIO INTERFERENCE NOTE: If the OEM audio unit has been replaced with an aftermarket unit, the vehicle may not pass this test. Return the vehicle to OEM condition before following this pinpoint test.
- Key in START position.
- Start and run the engine.
- Tune the audio unit to a station where the interference is present.
- Key in OFF position.
- Disconnect: Generator C102b
- Key in START position.
- With the engine running, determine if the interference is still present.
- Is the interference present with the generator disconnected?
- YES : REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article for the diagnosis and testing of the in-vehicle entertainment system.
- NO : INSTALL a new generator. REFER to GENERATOR AND REGULATOR article. TEST the system for normal operation.