Pinpoint Test G: Radio Interference
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. 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.
- Tune the radio to a station where the interference is present.
- Key in OFF position.
- Disconnect: Generator C102c (2.3L), C102b (3.0L).
- 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 for diagnosis and testing of the in-vehicle entertainment system. TEST the system for normal operation.
No : INSTALL a new generator. REFER to GENERATOR AND REGULATOR . TEST the system for normal operation.