Malfunction With Radio And Cd (BOSE System)

WARNING: This page is about a different car, the 2005 Nissan Quest. 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) ".

PROBLEM SYMPTOM TABLE - RADIO AND CD (BOSE SYSTEM)

Symptom	Possible cause
Inoperative	Audio unit Dower circuit check. Refer to "Power Supply Circuit Inspection ". AV switch check. Refer to "AV Switch Self-Diagnosis Function " (without NAVI) or "AV SWITCH SELF-DIAGNOSIS FUNCTION " (with NAVI). Audio communication line check (without NAVI). Refer to "Audio Communication Line Check ". Audio communication line check (with NAVI). Refer to "Audio Communication Line Check (Between Display Control Unit and Audio Unit) ". If above check is OK, replace audio unit.
Steering switch does not operate	Steering switch check. Refer to "Steering Switch Check ". AV switch check. Refer to "AV Switch Self-Diagnosis Function " (without NAVI) or "AV SWITCH SELF-DIAGNOSIS FUNCTION " (with NAVI). Audio communication line check (without NAVI). Refer to "Audio Communication Line Check ". Audio communication line check (with NAVI). Refer to "Audio Communication Line Check (Between Display Control Unit and Audio Unit) ". If above check is OK, replace audio unit.
Audio screen is not shown	Display unit check. Refer to "Self-Diagnosis Mode " (without NAVI). "Self-Diagnosis Mode (DCU)" (with NAVI).
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 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.)