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

Nissan Altima (L32) 2007-2012 Service Manual: 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.

Power supply and ground circuit (coupe)

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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 ...

Other materials:

Engine cooling system
The engine cooling system is filled at the factory with a pre-diluted mixture of 50% Genuine NISSAN Long Life Antifreeze/ Coolant (blue) and 50% water to provide year-round antifreeze and coolant protection. The antifreeze solution contains rust and corrosion inhibitors. Additional engine cooling s ...

Tire chains
CAUTION Only certain SAE class "S" tire chains can be used on this vehicle. Using the wrong Class "S" chains on this vehicle will cause damage to the vehicle. If you plan to use tire chains/cables, you should use a tire chain that meets the minimum clearances for your vehicle. Use of tire chains ma ...

Operating range
The Intelligent Key functions can only be used when the Intelligent Key is within the specified operating range. When the Intelligent Key battery is almost discharged or strong radio waves are present near the operating location, the Intelligent Key system’s operating range becomes narrower and ...