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Home >> Saturn >> 1995 >> Coupe L4-1.9L DOHC VIN 7 >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Testing and Inspection >> Component Tests and General Diagnostics >> General Diagnosis - Radio Frequency Interference (RFI)

General Diagnosis - Radio Frequency Interference (RFI)



The purpose of this information is to help in the identification and diagnosis of radio frequency interference (RFI). RFI complaints may include noises, interference, static, whines, pops and poor reception of stations normally receivable by the radio system. These complaints may also apply to any two-way communications radio installed in the vehicle including HAM, police, fire, business band and cellular phones. RFI can occur as a fading signal or noise superimposed on a tuned signal.

RFI is the undesirable disturbance of an electrical system or device with another electrical system or device. The following questionnaire and diagnostic charts will help identify if there is an RFI problem in the vehicle.

QUESTIONNAIRE

To begin diagnosing RFI conditions, it is important to understand the nature of the condition and the elements that may be involved. The following questionnaire will help determine vital pieces of information for the diagnostic process. Filling out this questionnaire, allows you to use the diagnostic charts on the following pages in a more efficient manner.

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