Operation CHARM: Car repair manuals for everyone.

General Diagnosis - Speakers

TOOLS REQUIRED
J 39916-A CD and Cassette Diagnostic Kit

IMPORTANT: Always compare the front speakers to the front, and compare the rear speakers to the rear. Do not compare the front speaker to the rear speaker for the following reasons:
^ The front and the rear speakers could be different speakers.
^ The front and the rear speaker mounting environments could cause a sound difference.

The tones test and evaluate the following components:
^ The coaxial speakers
^ Other complex speaker systems Three basic tones are used:
^ 50 Hz sine tone
^ 500 Hz warble tone
^ 9 kHz spectral tone

The combination tone is a blend of the above 3 tones.