Sound Is Not Heard From Front Door Speaker or Front Tweeter

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

HARNESS CHECK
1. Disconnect BOSE speaker amp. connector M113 and suspect speaker connector.
2. Check continuity between BOSE speaker amp. harness connector terminal M113 and suspect speaker harness connector terminal.
  
  Fig 1: BOSE Speaker Amp. Connector M113 And Suspect Speaker Connector Terminal Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Continuity Between BOSE Speaker Amp. Harness Connector Terminal M113 And Suspect Speaker Harness Connector Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between BOSE speaker amp. harness connector terminal M113 and ground.
  
  Fig 3: BOSE Speaker Amp. Connector M113 Terminals And Ground Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 2.
- NG:
  - Check connector housings for disconnected or loose terminals.
  - Repair harness or connector.
FRONT SPEAKER SIGNAL CHECK
1. Connect BOSE speaker amp. connector M113 and suspect speaker connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal between BOSE speaker amp. harness connector M113 terminals with CONSULT-II or oscilloscope.
  
  Fig 4: BOSE Speaker Amp. Harness Connector M113 Terminals Reference Signal Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Signal Between BOSE Speaker Amp. Harness Connector M113 Terminals With CONSULT-II Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace suspect speaker. Refer to "REMOVAL AND INSTALLATION OF FRONT DOOR SPEAKER " or "REMOVAL AND INSTALLATION OF FRONT TWEETER ".
- NG: GO TO 3.
HARNESS CHECK
1. Disconnect audio unit connector M43 and BOSE speaker amp. connector M113.
2. Check continuity between audio unit harness connector terminals and BOSE speaker amp. harness connector terminals.
  
  Fig 6: Audio Unit Connector M43 And BOSE Speaker Amp. Connector M11 Terminals Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 7: Checking Continuity Between Audio Unit Harness Connector Terminals And BOSE Speaker Amp. Connector Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between audio unit harness connector terminal and ground.
  
  Fig 8: Audio Unit Harness Connector Terminals And Ground Continuity Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 4.
- NG:
  - Check connector housings for disconnected or loose terminals.
  - Repair harness or connector.
FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and BOSE speaker amp. connector.
2. Turn ignition switch ACC.
3. Push "POWER" switch.
4. Check the signal between audio unit harness connector terminals with CONSULT-II or oscilloscope.
  
  Fig 9: Audio Unit Connector Terminals Reference Signal Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 10: Checking Signal Between Audio Unit Harness Connector Terminals With CONSULT-II Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Replace BOSE speaker amp. Refer to "REMOVAL AND INSTALLATION OF BOSE SPEAKER AMP. ".
- NG: Replace audio unit. Refer to "REMOVAL AND INSTALLATION FOR AUDIO UNIT ".