2008 NISSAN TEANA Trans

AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-257
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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STEERING SWITCH SIGNAL B CIRCUIT
DescriptionINFOID:0000000003765732
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003765733
1.CHECK STEERING SWITCH SIGNAL B CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and spiral cable connector.
3. Check continuity between AV control unit harness connector and spiral cable harness connector.
4. Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable.
3.CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector and spiral cable connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector.
Is inspection result normal?
YES >> GO TO 4.
NO >> Replace AV control unit.
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to AV-258, "
Component Inspection".
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
AV control unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M127 16 M33 31 Existed
AV control unit
GroundContinuity
Connector Terminal
M127 16 Not existed
(+) (−)
Vo l ta g e
(Approx.) AV control unit AV control unit
Connector Terminal Connector Terminal
M127 16 M127 15 3.3 V

AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-259
< COMPONENT DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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STEERING SWITCH SIGNAL GND CIRCUIT
DescriptionINFOID:0000000003765735
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003765736
1.CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and spiral cable connector.
3. Check continuity between AV control unit harness connector and spiral cable harness connector.
4. Connect AV control unit connector.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SPIRAL CABLE
Check spiral cable.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable.
3.CHECK GROUND CIRCUIT
1. Connect AV control unit connector.
2. Check continuity between AV control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 4.
NO >> Replace AV control unit.
4.CHECK STEERING SWITCH
Check steering switch. Refer to AV-260, "
Component Inspection".
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
AV control unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M127 15 M33 33 Existed
AV control unit
GroundContinuity
Connector Terminal
M127 15 Existed

AV
MULTI AV SYSTEM
AV-401
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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FUNCTION DIAGNOSIS
MULTI AV SYSTEM
System DiagramINFOID:0000000003765827
NOTE:
The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.
System DescriptionINFOID:0000000003765828
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.
JSNIA1297GB
System name System explanation
NAVIGATION SYSTEMAV- 4 1 0 , "
System Description"
AUDIO SYSTEMAV- 4 0 7 , "System Diagram"
REAR VIEW MONITOR SYSTEMAV- 4 1 5 , "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.
HANDS-FREE PHONE SYSTEM Refer to the following “HANDS-FREE PHONE SYSTEM”.
DVD ENTERTAINMENT SYSTEM Refer to the following “DVD ENTERTAINMENT SYSTEM”.
AUXILIARY INPUT SYSTEM Refer to “AUXILIARY INPUT SYSTEM” shown below.
TOUCH PANEL SYSTEM Refer to the following “TOUCH PANEL SYSTEM”.

AV-402
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
MULTI AV SYSTEM
 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.
 AV control unit is connected with display unit and serial communication, and it transmits the required signal
of display and display control and receives the response signal from display unit.
NOTE:
AV control unit can perform CONSULT-III self-operating function and on board self-diagnosis.
 CONSULT-III self diagnosis: Refer to AV-434, "
CONSULT-III Function (MULTI AV)".
 On board self diagnosis: Refer to AV-419, "
Diagnosis Description".
HANDS-FREE PHONE SYSTEM
 Hands-free communication can be operated by connecting using Bluetooth™ communication with cellular
phone.
 Operation is performed by display unit (touch panel), multifunction switch or steering switch, and operating
condition is indicated on display unit.
When a call is originated
Spoken voice sound output from the microphone (Mic. Signal) is input to NAVI control unit. NAVI control unit
outputs to cellular phone via TEL antenna with Bluetooth
™ communication as a TEL voice signal. Voice sound
is then heard at the other party.
When receiving a call
Voice sound is input to own cellular phone from the other party. The cellular phone outputs the voice signal to
TEL antenna by establishing Bluetooth
™ communication. The signal from TEL antenna is sent to front speaker
via NAVI control unit, AV control unit, and BOSE amp.
DVD ENTERTAINMENT SYSTEM
 DVD player is connected with AV control unit via AV communication, and controlled by AV control unit.
 DVD image signal is output from DVD player to display unit via AV control unit.
 DVD stereo (2ch) sound signal is output from DVD player to each speaker via AV control unit and BOSE
amp.
 DVD surround (5.1ch) sound signal is output from DVD player to each speaker via BOSE amp.
JSNIA1305GB

AV
MULTI AV SYSTEM
AV-403
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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 Operation can be performed with multifunction switch, steering switch and rear control switch. Multifunction
switch and rear control switch transmits operation signal to AV control unit by AV communication.
AUXILIARY INPUT SYSTEM
 Image and sound can be output from an external device by connecting a device with auxiliary input jacks.
 Operation can be performed with multifunction switch, steering switch and rear control switch. Multifunction
switch and rear control switch transmits operation signal to AV control unit by AV communication.
TOUCH PANEL SYSTEM
Each operation of multi AV system can be performed by directly touching a display.
JSNIA1299GB
JSNIA1301GB
JSNIA1308GB

AV
MULTI AV SYSTEM
AV-405
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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Component DescriptionINFOID:0000000003765830
13. Camera control unit 14. TEL antenna 15. Rear squawker RH
16. Antenna amp. 17. GPS antenna 18. Rear door speaker RH
19. Front door speaker RH 20. Steering angle sensor 21. Steering switch
22. AV control unit 23. Auxiliary input jacks 24. Preset switch
25. DVD player 26. Multifunction switch 27. Display unit
28. Microphone
A. Trunk room upper LH B. Trunk room upper RH C. Trunk room side RH
D. Within rear pillar finisher RH E. Within rear pillar finisher RH F. Within rear parcel shelf finisher
G. Spiral cable part H. In center console I. In grove box
Part name Description
AV CONTROL UNIT It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication
signals from the AV control unit.
 AV control unit includes audio function and vehicle information function.
 It is connected to ECM and combination meter. via CAN communication to ob-
tain necessary information for the vehicle information function.
 It is connected to BCM via CAN communication transmitting/receiving for the
vehicle settings function.
 Composite image signal (AUX and DVD images) is input from DVD player.
 Camera image signal is input from camera control unit.
 Composite image (DVD, AUX and camera images) signal is output to display
unit.
 Sound signal (DVD and AUX sounds) is input from the DVD player.
NAVI CONTROL UNIT Map data can be read from the Map DVD-ROM by installing Map DVD-ROM.
 The NAVI control unit sends map data to the AV control unit.
 The NAVI control unit includes the hands-free phone and navigation functions.
 The NAVI control unit transmits navigation and hands-free phone related im-
ages to AV control unit.
 It includes the TEL adapter and Bluetooth
™ function.
Map DVD-ROM A collection of map data.
DISPLAY UNIT Display image is controlled by the serial communication from AV control unit.
 RGB image signal is input from AV control unit (RGB, RGB area and RGB syn-
chronizing).
 Composite image (DVD, AUX and camera images) signal is input from AV con-
trol unit.
 Synchronize signal (HP, VP) is output to AV control unit.
 Touch panel function can be operated for each system by touching a display
directly.
BOSE AMP.Inputs sound signal from AV control unit and DVD player, and outputs sound sig-
nal to woofer and each speaker.
WOOFER Outputs sound signal from BOSE amp.
 Outputs low frequency sound.
FRONT SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
REAR SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (mid and low range).
FRONT SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
REAR SQUAWKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).
CENTER SPEAKER Outputs sound signal from BOSE amp.
 Outputs sound (high and mid range).

AV-406
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
MULTI AV SYSTEM
MULTIFUNCTION SWITCH Operation panel is equipped with the centralized switch where camera, audio,
DVD and AUX input operations are integrated.
 The multifunction switch is connected to the preset switch by wiring harness,
and it transmits the operation signal to the preset switch.
PRESET SWITCH Operation panel is equipped with the centralized switch where audio and air
conditioner operations are integrated.
 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 wiring harness.
CAMERA CONTROL UNIT Camera image signal is input from rear view camera. Camera image signal
output to AV control unit.
 Power supply is transmitted to rear view camera.
 AV control unit recognizes the presence of camera system with camera con-
nection recognition signal.
 Camera control unit is connected via AV communication.
REAR VIEW CAMERA The image of vehicle rear view is transmitted to camera control unit.
 It receives the power supply from the camera control unit and operates.
STEERING ANGLE SENSOR Sensor signal (steering angle) is transmitted to camera control unit.
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 Enables audio operations, etc.
 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
display, and it outputs the sound signal to the AV control unit.
REAR CONTROL SWITCH Enables audio operations, etc.
 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.
GPS ANTENNA GPS signal is received and transmitted to NAVI control unit.
TEL ANTENNA TEL voice signal is received and transmitted to NAVI control unit.Part name Description

AV
AUDIO SYSTEM
AV-407
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITH NAVIGATION]
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AUDIO SYSTEM
System DiagramINFOID:0000000003765831
NOTE:
The name MULTIFUNCTION SWITCH indicates the integration of PRESET SWITCH and MULTIFUNCTION
SWITCH virtually.
System DescriptionINFOID:0000000003765832
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 BOSE amp. and BOSE amp. outputs to woofer and each speaker for AV control unit.
CD Mode
 CD function is built into AV control unit.
 AV control unit outputs sound signal to BOSE amp. and BOSE amp. outputs to woofer and each speaker
when CD is inserted to AV control unit.
JSNIA1310GB
Function
AM/FM radio
CD