Malfunction With Radio And Cd (BOSE System)

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Before proceeding on models with NAVI, confirm that other AV switch functions (except audio functions) operate.

If not, refer to "UNABLE TO OPERATE ALL OF AV SWITCHES (UNABLE TO START SELF-DIAGNOSIS) ".

SYMPTOM CHART

Symptom	Possible cause
Inoperative	Audio unit power circuit check. Refer to "POWER SUPPLY CIRCUIT INSPECTION ". Audio communication line check (with Navigation System). Refer to "AUDIO COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND AUDIO UNIT) ". AV switch check. Refer to "AV SWITCH CHECK (WITH NAVI) ". If above check is OK, replace audio unit.
Steering switch does not operate	Steering switch check. Refer to "STEERING SWITCH CHECK (WITH NAVI) ". AV switch check. Refer to "AV SWITCH CHECK (WITH NAVI) ". Audio communication line check (with Navigation System). Refer to "AUDIO COMMUNICATION LINE CHECK (BETWEEN DISPLAY CONTROL UNIT AND AUDIO UNIT) ". If above check is OK, replace audio unit.
Audio information is not displayed on screen (with NAVI)	Display unit check. Refer to "SELF-DIAGNOSIS MODE (DCU) ".
All speakers do not sound	Audio unit BOSE speaker amp. power supply and ground circuit check. Refer to "POWER SUPPLY CIRCUIT INSPECTION ". BOSE speaker amp. ON signal 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 door speaker check. Refer to "SOUND IS NOT HEARD FROM REAR DOOR SPEAKER OR REAR DOOR TWEETER (BOSE SYSTEM) ". Subwoofer check. Refer to "SOUND IS NOT HEARD FROM SUBWOOFER (BOSE SYSTEM) ".
Poor sound	Audio unit BOSE speaker amp. Speaker
Noisy	Audio unit BOSE speaker amp. Electrical equipment (generator, bonding wire, etc.) Open in shield circuit