2008 NISSAN TEANA radio

AV-48
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
MULTI AV SYSTEM
FUNCTION DIAGNOSIS
MULTI AV SYSTEM
System DiagramINFOID:0000000003882699
NOTE:
 The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.
 A radio antenna base integrated with radio antenna amp. is adopted.
 Woofer illustrated in the above figure, integrates two woofers and a woofer amp.
System DescriptionINFOID:0000000003882700
Multi AV system means that the following systems are integrated.
 AV control unit controls by transmitting/receiving data one by one with each unit (slave unit) that configures
them completely as a master unit by connecting between units that configure MULTI AV system with two AV
communication lines (H, L).
 Two AV communication lines (H, L) adopt a twisted pair line that is resistant to noise.
 AV control unit is connected by CAN communication, and it receives data signal from ECM, combination
meter. It computes and displays fuel economy information value with the obtained information. Transmitting/
receiving of data signal is performed by BCM. Also, it transmits the required signal of vehicle setting and
receives the response signal.
JSNIA1431GB
System name System explanation
AUDIO SYSTEMAV- 5 3 , "
System Diagram"
REAR VIEW MONITOR SYSTEMAV- 5 6 , "System Description"
VEHICLE INFORMATION SYSTEM Status of audio, climate control system, fuel economy, mainte-
nance and navigation is displayed.
 AV control unit displays the fuel consumption status while re-
ceiving data signal through CAN communication from ECM and
combination meter.
 AV control unit is connected to BCM via CAN communication
transmitting/receiving for the vehicle settings function.
AUXILIARY INPUT SYSTEM Refer to “AUXILIARY INPUT SYSTEM” shown below.

AV-52
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
MULTI AV SYSTEM
REAR CONTROL SWITCH Operations for audio, etc. are possible.
 The rear control switch is connected via AV communication, and it transmits
the operation signals of the rear control switch.
ANTENNA AMP. Radio signal received by glass antenna is amplified and transmitted to AV con-
trol unit.
 Power (antenna amp ON signal) is supplied from AV control unit. Part name Description

AV
AUDIO SYSTEM
AV-53
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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AUDIO SYSTEM
System DiagramINFOID:0000000003882703
NOTE:
The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.
System DescriptionINFOID:0000000003882704
The audio system is equipped with following function. Each function can be operated with the multifunction
switch, preset switch, rear control switch or steering switch. It indicates the operation status of AUDIO to the
display unit.
FUNCTION DESCRIPTION
Operating Signal
Operation of the audio system can be performed via the multifunction switch, preset switch, rear control switch
or steering switch.
 Operating signal is transmitted to AV control unit via AV communication when it is operated by multifunction
switch, preset switch or rear control switch. The CD ejection operating signal is performed by hard-wire.
 Operating signal is transmitted to AV control unit with steering switch signal when it is operated by steering
switch.
Screen Display
 The display switching of the screen is performed by the communication signal between the display unit and
the AV control unit.
 The image signal to display operating condition is performed by RGB image signal, RGB area signal and
RGB image synchronizing signal.
AM/FM Radio Mode
 AM/FM radio tuner is built into AV control unit.
 AM/FM radio wave is received by glass antenna, next it is amplified by antenna amp., and finally it is input to
AV control unit. The FM sub antenna is installed on the rear window glass and the AV control unit is
received.
 Sound signal is input to AV control unit, and AV control unit outputs to each speaker.
CD Mode
 CD function is built into AV control unit.
 AV control unit outputs sound signal to each speaker when CD is inserted to AV control unit.
JSNIA1434GB
Function
AM/FM radio
CD

AV
AUDIO SYSTEM
AV-55
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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Component DescriptionINFOID:0000000003791248
Part name Description
AV CONTROL UNIT The AM/FM receiving function and the CD playing function are equipped.
 Sound signal is transmitted to each speaker.
DISPLAY UNIT Display image is controlled by the serial communication from AV control unit.
 RGB image signal (audio operation condition) is input from AV control unit.
FRONT SPEAKER Outputs sound signal from front speaker.
 Outputs sound (mid and low range).
REAR SPEAKER Outputs sound signal from rear speaker.
 Outputs sound (mid and low range).
FRONT SQUAWKER Outputs sound signal from front squawker.
 Outputs sound (high and mid range).
MULTIFUNCTION SWITCH Each audio operation can be operated.
 The multifunction switch is connected to the preset switch by wiring harness,
and it transmits the operation signal to the preset switch.
PRESET SWITCH Each audio operation can be operated.
 The preset switch is connected via AV communication, and it transmits the op-
eration signals of the preset switch and multifunction switch.
 The disk ejection operating signal is performed by hard-wire.
STEERING SWITCH Each audio operation can be operated.
 Steering switch signal (operation signal) is output to AV control unit.
REAR CONTROL SWITCH Each audio operation can be operated.
 The rear control switch is connected via AV communication, and it transmits
the operation signals of the rear control switch.
ANTENNA AMP. Radio signal received by glass antenna is amplified and transmitted to AV con-
trol unit.
 Power (antenna amp. ON signal) is supplied from AV control unit.

AV
MULTI AV SYSTEM SYMPTOMS
AV-165
< SYMPTOM DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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RELATED TO AUDIO
RELATED TO STEERING SWITCH
Trouble diagnosis chart by symptom
RELATED TO AUXILIARY INPUT
NOTE:
Symptoms Check items Possible malfunction location / Action to take
RGB image is not shown. All RGB images are not shown.
 Composite images are not dis-
played.(camera and AUX image)  Display unit power supply and ground circuit malfunc-
tion.
Refer to AV- 8 2 , "
DISPLAY UNIT : Diagnosis Proce-
dure".
 Communication Circuit malfunction between AV control
unit and display unit.
Perform CONSULT-III self-diagnosis.
Refer to AV- 6 8 , "
CONSULT-III Function (MULTI AV)".
 All RGB images are not shown.
 Camera image is normal.
 AUX images are not displayed. Perform CONSULT-III self-diagnosis.
Refer to AV- 6 8 , "
CONSULT-III Function (MULTI AV)".
 All RGB images are not shown.
 “Multi AV” is not displayed on system
selection screen when the CONSULT-
III is initialized.AV control unit power supply and ground circuit malfunc-
tion.
Refer to AV- 8 2 , "
AV CONTROL UNIT : Diagnosis Proce-
dure".
 All RGB images are not shown.
 Composite images are normal. (cam-
era and AUX image) RGB area (YS) signal circuit malfunction.
Refer to AV- 9 0 , "
Diagnosis Procedure".
Color of RGB image is not
proper. (All RGB image)Light blue (Cyan) tint.RGB signal (R: red) circuit malfunction between AV con-
trol unit and display unit.
Refer to AV- 8 6 , "
Diagnosis Procedure".
Purple (Magenta) tint.RGB signal (G: green) circuit malfunction between AV
control unit and display unit.
Refer to AV- 8 7 , "
Diagnosis Procedure".
Screen looks yellowish.RGB signal (B: blue) circuit malfunction between AV con-
trol unit and display unit.
Refer to AV- 8 8 , "
Diagnosis Procedure".
RGB screen is rolling. All RGB screen is rolling.RGB synchronizing signal circuit malfunction between AV
control unit and display unit.
Refer to AV- 8 9 , "
Diagnosis Procedure".
Symptoms Check items Possible malfunction location / Action to take
The CD cannot be removed. —Disk eject signal circuit.
Refer to AV- 9 4 , "
Diagnosis Procedure".
Audio sound is not heard.No sound from all speakers.Perform CONSULT-III self-diagnosis.
Refer to AV- 6 8 , "
CONSULT-III Function (MULTI AV)"
Sound is not heard only from the specific
places (RH front, RH rear, LH front and
LH rear).Sound signal circuit of suspect system
AM/FM radio is not received. Other audio sounds are normal. Antenna amp. ON signal circuit.
Symptoms Probable malfunction location
None of the steering switch operations work.Steering switch signal GND circuit. Refer toAV- 1 0 5 , "
Component In-
spection".
Only specified switch cannot be operated Replace steering switch. Refer to ST-12, "
Exploded View".
Steering switch's “SOURCE”, “MENU UP”, “MENU DOWN”
switches do not work.Steering switch signal A circuit. Refer to AV- 1 0 0 , "
Diagnosis Procedure".
Steering switch's “VOL UP”, “VOL DOWN” switches do not
work.Steering switch signal B circuit. Refer to AV- 1 0 2 , "
Diagnosis Procedure".

AV-184
< ON-VEHICLE REPAIR >[BASE AUDIO AND DISPLAY SYSTEM]
ANTENNA FEEDER (RADIO)
ANTENNA FEEDER (RADIO)
Harness LayoutINFOID:0000000003882826
JPNIA1033GB

AV-188
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
MULTI AV SYSTEM
FUNCTION DIAGNOSIS
MULTI AV SYSTEM
System DiagramINFOID:0000000003765641
NOTE:
 The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.
 A radio antenna base integrated with radio antenna amp. is adopted.
 Woofer illustrated in the above figure, integrates two woofers and a woofer amp.
System DescriptionINFOID:0000000003791244
Multi AV system means that the following systems are integrated.
 AV control unit controls by transmitting/receiving data one by one with each unit (slave unit) that configures
them completely as a master unit by connecting between units that configure MULTI AV system with two AV
communication lines (H, L).
JSNIA1296GB
System name System explanation
AUDIO SYSTEMAV- 1 9 3 , "
System Diagram"
REAR VIEW MONITOR SYSTEMAV- 1 9 6 , "System Description"
VEHICLE INFORMATION SYSTEM Status of audio, climate control system, fuel economy, mainte-
nance and navigation is displayed.
 AV control unit displays the fuel consumption status while re-
ceiving data signal through CAN communication from ECM and
combination meter.
 AV control unit is connected to BCM via CAN communication
transmitting/receiving for the vehicle settings function.
DVD ENTERTAINMENT SYSTEM Refer to the following “DVD ENTERTAINMENT SYSTEM”.
AUXILIARY INPUT SYSTEM Refer to “AUXILIARY INPUT SYSTEM” shown below.

AV-192
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
MULTI AV SYSTEM
MICROPHONE Used for hands-free phone operation.
 Mic. signal is transmitted to NAVI control unit
 Power (Mic. VCC) is supplied from NAVI control unit.
STEERING SWITCH The operations of audio, etc. can be performed.
 Steering switch signal (operation signal) is output to AV control unit.
DVD PLAYERIt transmits the playback DVD image signal and DVD sound signal to the AV con-
trol unit.
AUXILIARY INPUT JACKS The image signal of the auxiliary input is output via the DVD player and AV con-
trol unit to the display unit.
 The sound signal of the auxiliary input is output via the DVD player and AV con-
trol unit to the BOSE amp.
The image signal of the auxiliary input is output via the AV control unit to the dis-
play, and it outputs the sound signal to the AV control unit.
REAR CONTROL SWITCH Operations for audio, etc. are possible.
 The rear control switch is connected via AV communication, and it transmits
the operation signals of the rear control switch.
ANTENNA AMP. Radio signal received by glass antenna is amplified and transmitted to AV con-
trol unit.
 Power (antenna amp ON signal) is supplied from AV control unit. Part name Description