Test N: Poor Quality/Distorted Sound From All Speakers

PINPOINT TEST N: POOR QUALITY/DISTORTED SOUND FROM ALL SPEAKERS

N1-N3:

N4-N8:

Normal Operation
The radio suppression equipment reduces engine ignition and electrical systems interference transmitted through the speakers. When installing any new radio suppression equipment components, make sure that a good contact is made at all connections. Remove any paint or dirt from between a component and its ground. Tighten all connectors and screws securely according to torque specifications.

Possible Causes
- circuitry
- antenna
- antenna cable(s)
- radio frequency interference suppression equipment
- audio unit