Malfunction With Radio, Tape And Cd (BOSE System)

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

MALFUNCTION WITH RADIO, TAPE AND CD

Symptom	Possible cause
Inoperative	Audio unit power circuit check. Refer to, "POWER SUPPLY CIRCUIT INSPECTION ". AV switch check. Refer to, "AV SWITCH SELF-DIAGNOSIS FUNCTION ". If above check is OK, replace audio unit.
Steering switch does not operate	Steering switch check. Refer to, "STEERING SWITCH CHECK ". Audio communication line check (Without Navigation System). Refer to "INTERGRATED DISPLAY SYSTEM ". Audio communication line check (With Navigation System). Refer to "INTERGRATED DISPLAY SYSTEM ". If above check is OK, replace audio unit.
Audio screen is not shown	Display unit check. Refer to "INTERGRATED DISPLAY SYSTEM " (without navigation system) "Self-Diagnosis Mode (DCU)" (with navigation system).
All speakers do not sound	Audio unit Audio unit power circuit check. Refer to, "POWER SUPPLY CIRCUIT INSPECTION ". BOSE speaker amp. ON signal BOSE speaker amp. ground circuit BOSE speaker amp.
One or several speakers do not sound	Front door speaker check. Refer to, "SOUND IS NOT HEARD FROM FRONT DOOR SPEAKER OR TWEETER (BOSE SYSTEM) ". Rear door speaker check. Refer to, "SOUND IS NOT HEARD FROM REAR DOOR SPEAKER (BOSE SYSTEM) ". Subwoofer check. Refer to, "SOUND IS NOT HEARD FROM SUBWOOFERS (BOSE SYSTEM) ".
Poor sound	Audio unit BOSE speaker amp. Speaker
Noisy	Audio unit BOSE speaker amp. Electrical equipment (generator, bonding wire, etc.)