Pinpoint Test G: Radio Interference
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
- G1 VERIFY THE GENERATOR IS THE SOURCE OF THE RADIO INTERFERENCE NOTE: If the original equipment manufactured (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 radio 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 ENTERTAINMENT SYSTEM for diagnosis and testing of the in-vehicle entertainment system
No
INSTALL a new generator. REFER to GENERATOR . TEST the system for normal operation