Nissan Altima (L32) 2007-2012 Service Manual ≻ Audio, visual & navigation system base audio ≻ Component diagnosis ≻ Power supply and ground circuit (coupe) ≻ Power supply and ground circuit (sedan)

Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit (sedan)

AUDIO UNIT

Diagnosis Procedure

1.CHECK FUSES

Check that the following fuses are not blown.

Are the fuses OK? YES >> GO TO 2

NO >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.POWER SUPPLY CIRCUIT CHECK

1. Disconnect audio unit connector M43.

2. Check voltage between the audio unit connector M43 and ground.

Are the voltage results as specified? YES >> GO TO 3

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

• Repair harness or connector.

3.GROUND CIRCUIT CHECK

Inspect audio unit case ground.

Does case ground pass inspection? YES >> Inspection End.

NO >> Repair audio unit case ground.

Satellite radio tuner

Diagnosis Procedure 1.CHECK FUSES Check that the following fuses are not blown. Are the fuses OK? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause of malfunct ...

Satellite radio tuner

Diagnosis Procedure 1.CHECK FUSES Check that the following fuses are not blown. Are the fuses OK? YES >> GO TO 2 NO >> If fuse is blown, be sure to eliminate cause of malfunction be ...

Other materials:

Air bags, seat belts and child restraints
Top tether strap anchor Rear seat belts with pretensioner(s) for outboard seating Roof-mounted curtain side-impact and rollover supplemental air bag Front seat-mounted side-impact supplemental air bag Head restraints/headrests Front seat belt with pretensioner(s) and shoulder height adju ...

Seat belt warning light and chime
The driver and front passenger seat is equipped with an enhanced seat belt reminder function. A visual and audible alert will operate at speeds of approximately 9 mph (15 km/h) or more under the following conditions: If the driver seat belt is not fastened. The front passenger’s seat belt is ...

Rear-facing child restraint installation using the seat belts
WARNING The three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. Failure to use the ALR mode will result in the child restraint not being properly secured. The restraint could tip over or be loose and cause injury to a child in a sudden stop o ...