Malfunction With Radio And Cd (BOSE System)

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

POSSIBLE CAUSE

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 A COMMUNICATION LINE CHECK . Audio communication line check (with Navigation System). Refer to AUDIO COMMUNICATION LINE CHECK . If above check is OK, replace audio unit.
Audio screen is not shown	Display unit check. Refer to ON BOARD SELF-DIAGNOSIS FUNCTION (without Navigation System) or 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 FRONT TWEETER (BOSE SYSTEM) ". Rear speaker check. Refer to"SOUND IS NOT HEARD FROM REAR SPEAKER OR REAR TWEETER (BOSE SYSTEM) ". Subwoofer check. Refer to "SOUND IS NOT HEARD FROM SUBWOOFER (BOSE SYSTEM) ". Center speaker check. Refer to "SOUND IS NOT HEARD FROM CENTER SPEAKER (BOSE SYSTEM) ".
Poor sound	Audio unit BOSE speaker amp. Speaker
Noisy	Audio unit BOSE speaker amp. Electrical equipment (generator, bonding wire, etc.)