Nissan Technical Advisor 1/30/2011You may need to check the wiring going to the speaker to determine if its connection is loose or burnt. Testing for continuity using a multimeter will help to identify a faulty wire and speakers. If speakers and wiring is good, the problem now lies on the radio.
Bolton's 8/4/2011It also my be the antenna mass is no longer connected. I purchased one on Ebay and installed it and found that I just needed a new antenna mass as it was old and simply needed to be replaced