Nissan Altima (L32) 2007-2012 Service Manual ≻ Audio, visual & navigation system bose audio with navigation ≻ Component diagnosis ≻ AMP On signal circuit

Nissan Altima (L32) 2007-2012 Service Manual: AMP On signal circuit

Description

When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on.

Diagnosis Procedure

1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)

1. Turn audio system ON.

2. Check voltage between BOSE speaker amp. harness connector B121 terminal 60 and ground.

Is voltage greater than 6.5V? YES >> INSPECTION END.

NO >> GO TO 2

2.CHECK AMP ON SIGNAL (AV CONTROL UNIT)

Check voltage between AV control unit harness connector M47 terminal 16 and ground.

Is voltage approximately 6.5 volts? YES >> Repair harness or connector.

NO >> Replace AV control unit. Refer to AV-437, "Removal and Installation".

Subwoofer (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 subwoofers using the audio signal circuits. Di ...

Steering switch

Description When one of the steering wheel audio control switches is pushed, the resistance in the steering switch circuit changes depending on which button is pushed. Diagnosis Procedure 1.CH ...

Other materials:

Vehicle security system
The vehicle security system provides visual and audible alarm signals if someone opens the doors or trunk when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs. The system helps deter vehicle theft but cannot p ...

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 ...

Turning the I-FCW system on/off
For vehicles with the 7 inch (18 cm) display Perform the following steps to turn the I-FCW system ON or OFF. For vehicles with the 7 inch (18 cm) display. 1. Press thebutton until "Settings" displays in the vehicle information display. Use the button to select "Driver Assistance." Then press the ...