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:
B2014 chain of strg-immu
Description
BCM performs the ID verification with the steering lock unit to release the
steering. BCM starts the communication
with the steering lock unit when Intelligent Key is carried into the passenger
compartment and the pushbutton
ignition switch is pressed.
DTC Logic
DTC DETECTION ...
P2101 Electric throttle control function
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the
throttle valve.
The current opening angle of the throttle valve is detected by the throttle
pos ...
RearView Monitor (if so equipped)
CAMERA or DISP button
WARNING
Failure to follow the warnings and instructions
for proper use of the Rear-
View Monitor system could result in
serious injury or death.
RearView Monitor is a convenience
feature and is not a substitute for
proper backing. Always turn and look
out the windo ...