Nissan Altima (L32) 2007-2012 Service Manual ≻ Audio, visual & navigation system bose audio without navigation ≻ Component diagnosis ≻ Tweeter (sedan)

Nissan Altima (L32) 2007-2012 Service Manual: Tweeter (sedan)

Description

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front tweeters using the audio signal circuits.

Diagnosis Procedure

1.HARNESS CHECK

1. Disconnect BOSE speaker amp. connector B122 and suspect tweeter connector.

2. Check continuity between BOSE speaker amp. harness connector B122 (A) and suspect tweeter harness connector (B).

3. Check continuity between BOSE speaker amp. harness connector B122 (A) and ground.

Are continuity test results as specified? YES >> GO TO 2

NO >> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

2.TWEETER SIGNAL CHECK

1. Connect BOSE speaker amp. connector B122 and suspect tweeter connector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between BOSE speaker amp. harness connector B122 terminals with CONSULT-III or oscilloscope.

Are the audio signal voltage readings as specified? YES >> Replace suspect tweeter. Refer to AV-217, "Removal and Installation".

NO >> GO TO 3

3.HARNESS CHECK

1. Disconnect audio unit connector M43 and BOSE speaker amp.

connector B121.

2. Check continuity between audio unit harness connector M43 (A) and BOSE speaker amp. harness connector B121 (B).

3. Check continuity between audio unit harness connector M43 (A) and ground.

Are continuity test results as specified? YES >> GO TO 4

NO >> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

4.TWEETER 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 M43 terminals with CONSULT-III or oscilloscope.

Are the audio signal voltage readings as specified? YES >> Replace BOSE speaker amp. Refer to AV-216, "Removal and Installation - Coupe".

NO >> Replace audio unit. Refer to AV-215, "Removal and Installation".

Front tweeter (coupe)

Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front tweeters using the audio signal circui ...

Center speaker

Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the center speaker using the audio signal circui ...

Other materials:

Tire labeling
Example Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides the Tire Identification Number (TIN) for safety standard certification. The TIN ca ...

Bluetooth Hands-Free Phone System
WARNING Use a phone after stopping your vehicle in a safe location. If you have to use a phone while driving, exercise extreme caution at all times so full attention may be given to vehicle operation. If you are unable to devote full attention to vehicle operation while talking on the phon ...

Maintenance schedules
To help ensure smooth, safe and economical driving, NISSAN provides two maintenance schedules that may be used, depending upon the conditions in which you usually drive. These schedules contain both distance and time intervals, up to 120,000 miles (192,000 km)/144 months. For most people, the odomet ...