Trans NISSAN TEANA 2008 Workshop Manual

AV-96
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
CAMERA IMAGE SIGNAL CIRCUIT
CAMERA IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003882759
 Camera control unit outputs camera ON signal to rear view camera and inputs rear view camera image sig-
nal from rear view camera when the reverse signal is input.
 The camera control unit that inputs the camera image signal transmits the camera image signal to the dis-
play unit.
Diagnosis ProcedureINFOID:0000000003901215
1.CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and AV control unit connector.
3. Check continuity between camera control unit harness connector and AV control unit harness connector.
4. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK CAMERA IMAGE SIGNAL
1. Connect camera control unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between camera control unit harness connector using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace camera control unit.
Camera control unit AV control unit
Continuity
Connector Terminals Connector Terminals
B25111
M13064
Existed
12 65
Camera control unit
GroundContinuity
Connector Terminal
B251 12 Not existed
(+)
(−) Condition Reference value Camera control unit
Connector Terminal
B251 12 GroundWhen rear view camera
image is displayed.
SKIB2251J

AV
COMPOSITE IMAGE SIGNAL CIRCUIT
AV-97
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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COMPOSITE IMAGE SIGNAL CIRCUIT
DescriptionINFOID:0000000003882761
AV control unit that inputs the camera image signal and AUX image signal transmits the composite image sig-
nal to the display unit.
Diagnosis ProcedureINFOID:0000000003901216
1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector and display unit connector.
3. Check continuity between AV control unit harness connector and display unit 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 COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO DISPLAY UNIT)
1. Connect AV control unit connector and display unit connector.
2. Turn ignition switch ON.
3. Check signal between AV control unit harness connector using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
AV control unit Display unit
Continuity
Connector Terminals Connector Terminals
M12936
M4915
Existed
37 5
AV control unit
GroundContinuity
Connector Terminal
M129 36 Not existed
(+) (−)
Condition Reference value AV c o n t r o l u n i t
Ground Connector Terminal
M129 36When AUX or camera image is dis-
played.
SKIB2251J

AV-98
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
STEERING ANGLE SENSOR SIGNAL CIRCUIT
STEERING ANGLE SENSOR SIGNAL CIRCUIT
DescriptionINFOID:0000000003939943
 Steering angle sensor signal 1, 2 detects the turning direction and quantity of the steering and transmits it to
the camera control unit.
 Steering angle sensor signal 3 detects the neutral position of the steering and transmits it to the camera con-
trol unit.
 Camera control unit performs the correction of neutral position with sensor signal 1, 2, 3 and vehicle speed
signal.
Diagnosis ProcedureINFOID:0000000003939944
1.CHECK CONTINUITY STEERING ANGLE SENSOR SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and steering angle sensor connector.
3. Check continuity between camera control unit harness connector and steering angle sensor harness con-
nector.
4. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK SIGNAL SENSOR SIGNAL
1. Connect camera control unit connector.
2. Turn ignition switch ON.
3. Check voltage between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Replace camera control unit.
3.CHECK SIGNAL SENSOR SIGNAL
1. Turn ignition switch OFF.
2. Connect steering angle sensor connector.
Camera control unit Steering angle sensor
Continuity
Connector Terminals Connector Terminals
B25123
M303
Existed 24 6
25 8
Camera control unit
GroundContinuity
Connector Terminals
B25123
Not existed 24
25
(+)
(−)Vo l ta g e
(Approx.) Camera control unit
Connector Terminals
B25123
Ground 5.0 V 24
25

AV-100
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
STEERING SWITCH SIGNAL A CIRCUIT
STEERING SWITCH SIGNAL A CIRCUIT
DescriptionINFOID:0000000003939934
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003939935
1.CHECK STEERING SWITCH SIGNAL A 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-101, "
Component Inspection".
Is inspection result normal?
YES >> INSPECTION END
NO >> Replace steering switch.
AV control unit Spiral cable
Continuity
Connector Terminal Connector Terminal
M127 6 M33 24 Existed
AV c o n t r o l u n i t
GroundContinuity
Connector Terminal
M127 6 Not existed
(+) (−)
Vo l ta g e
(Approx.) AV control unit AV control unit
Connector Terminal Connector Terminal
M1276M12715 3.3 V

AV-102
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
STEERING SWITCH SIGNAL B CIRCUIT
STEERING SWITCH SIGNAL B CIRCUIT
DescriptionINFOID:0000000003939937
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003939938
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-103, "
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 c o n t r o l u n i t
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-104
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
STEERING SWITCH SIGNAL GND CIRCUIT
STEERING SWITCH SIGNAL GND CIRCUIT
DescriptionINFOID:0000000003939940
Transmits the steering switch signal to AV control unit.
Diagnosis ProcedureINFOID:0000000003939941
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-105, "
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 c o n t r o l u n i t
GroundContinuity
Connector Terminal
M127 15 Existed

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
MULTI AV SYSTEM
AV-189
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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 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.
 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- 2 11 , "
CONSULT-III Function (MULTI AV)".
 On board self diagnosis: Refer to AV-200, "
Diagnosis Description".
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.
 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.
JSNIA1299GB
JSNIA1301GB

AV
MULTI AV SYSTEM
AV-191
< FUNCTION DIAGNOSIS >[BOSE AUDIO WITHOUT NAVIGATION]
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Component DescriptionINFOID:0000000003791245
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.
 Power (signal VCC and inverter VCC) is transmitted to front display unit.
DISPLAY UNIT Display image is controlled by the serial communication from AV control unit.
 It receives the power (signal VCC and inverter VCC) from the AV control unit
and operates.
 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.
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).
MULTIFUNCTION SWITCH Operation panel is equipped with the centralized switch where camera, audio,
DVD and auxiliary 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.

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