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

Description

The audio unit sends audio signals to the tweeters using the door speaker circuits.

Diagnosis Procedure

1.HARNESS CHECK

1. Disconnect audio unit connector M43 (A) and suspect tweeter connector (B).

2. Check continuity between audio unit harness connector M43 (A) and suspect tweeter harness connector (B).

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

Are the continuity 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 audio unit connector and tweeter connector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage as specified? YES >> Replace tweeter. Refer to AV-73, "Removal and Installation".

NO >> Replace audio unit. Refer to AV-72, "Removal and Installation".

    Front tweeter (coupe)
    Description The audio unit sends audio signals to the front tweeters using the door speaker circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect audio unit connector M43 (A) and suspect ...

    Rear speaker
    Description The audio unit sends audio signals to the rear speakers using the rear speaker circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect audio unit connector M43 (A) and suspect s ...

    Other materials:

    Daytime running light system (Canada only)
    The headlights automatically illuminate at a reduced intensity when the engine is started with the parking brake released. The daytime running lights operate with the headlight switch in the OFF position or in the position. Turn the headlight switch to the position for full illumination ...

    Audible reminders
    Brake pad wear warning The disc brake pads have audible wear warnings. When a disc brake pad requires replacement, it makes a high pitched scraping sound when the vehicle is in motion, whether or not the brake pedal is depressed. Have the brakes checked as soon as possible if the warning sou ...

    Precaution
    Supplemental Restraint System (SRS) "AIR B AG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and fron ...