2008 NISSAN TEANA power steering

AV
MULTI AV SYSTEM
AV-51
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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Component DescriptionINFOID:0000000003882702
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.
 AUX image signal is input from auxiliary jacks.
 Camera image signal is input from camera control unit.
 Composite image (AUX and camera images) signal is output to display unit.
 AUX sound signal is input from the auxiliary jacks.
 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 (AUX and camera images) signal is input from AV control
unit.
 Synchronize signal (HP, VP) is output to 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 Operation panel is equipped with the centralized switch where camera, audio
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.
STEERING SWITCH The operations of audio, etc. can be performed.
 Steering switch signal (operation signal) is output to AV control unit.
AUXILIARY INPUT JACKS The image signal of the auxiliary input is output via the AV control unit to the
display unit.
 The sound signal of the auxiliary input is output via the AV control unit to the
each speaker.

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-56
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
REAR VIEW MONITOR SYSTEM
REAR VIEW MONITOR SYSTEM
System DiagramINFOID:0000000003882707
System DescriptionINFOID:0000000003882708
CAMERA IMAGE OPERATION PRINCIPLE
 Power is supplied to rear view camera from camera control unit and the rear view camera outputs the cam-
era image to camera control unit when selector lever is set to reverse position and the reverse signal on
camera control unit is input.
 Camera control unit superimposes the guiding line and predicted course line to the image from rear view
camera and outputs to display unit. In this case, the reverse signal is also input to AV control unit. Therefore,
AV control unit recognizes the selector lever as in the reverse position. And then AV control unit switches the
image displayed by the communication signal between AV control unit and display unit with the camera
image.
 AV control unit outputs camera image signal that is inputted from camera control unit to display unit.
 Camera control unit controls the direction and distance of predicted course line according to the sensor sig-
nal from steering angle sensor.
 AV control unit determines whether rear view camera is equipped or not, based on the presence of camera
connection recognition signal. It switches to rear view monitor image at the time of reverse signal input when
rear view camera is equipped.
Rear view monitor guiding line
JSNIA1379GB
JSNIA1325GB

AV
REAR VIEW MONITOR SYSTEM
AV-59
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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Component DescriptionINFOID:0000000003885184
Part name Description
AV CONTROL UNIT Image on display is transmitted to rear view monitor image by serial communi-
cation between AV control unit and display unit.
 AV control unit recognizes the presence of camera system with camera con-
nection recognition signal.
DISPLAY UNIT Camera image signal is input from AV control unit.
 Rear view monitor image is changed by serial communication from AV control
unit.
CAMERA CONTROL UNIT Camera image signal is input from rear view camera. Camera image signal is
output to AV control unit.
 Power supply is transmitted to rear view camera.
 Superimposes the guiding line and predicted course line to the camera image
that outputs to AV control unit.
 Inputs the sensor signal from steering angle sensor, and then controls the pre-
dicted course line.
 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 power supply from camera control unit and operates.
STEERING ANGLE SENSORSteering signal necessary for predicted course line control is transmitted to cam-
era control unit.

AV
AV CONTROL UNIT
AV-107
< ECU DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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Te r m i n a l
(Wire color)Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
2
(W)3
(B)Sound signal front LH OutputIgnition
switch
ONSound output.
4
(O/B)5
(W/R)Sound signal rear LH OutputIgnition
switch
ONSound output.
6
(W/G)15
(L/B)Steering switch signal A InputIgnition
switch
ONKeep pressing SOURCE
switch. 0 V
Keep pressing switch.0.7 V
Keep pressing switch.1.3 V
Except for above. 3.3 V
7
(V/W)Ground ACC power supply InputIgnition
switch
ACC— Battery voltage
9
(R/L)Ground Illumination signal InputIgnition
switch
OFFLighting switch is OFF. 0 V
Lighting switch is ON. 12.0 V
11
(B/W)12
(BR)Sound signal front RH OutputIgnition
switch
ONSound output.
13
(L)14
(B/W)Sound signal rear RH OutputIgnition
switch
ONSound output.
15
(L/B)GroundSteering switch signal
ground—Ignition
switch
ON—0 V
16
(GR/L)15
(L/B)Steering switch signal B InputIgnition
switch
ONKeep pressing VOL DOWN
switch.0 V
Keep pressing VOL UP
switch.0.7 V
Except for above. 3.3 V
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E

AV-164
< SYMPTOM DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
MULTI AV SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
MULTI AV SYSTEM SYMPTOMS
Symptom TableINFOID:0000000003882785
RELATED TO VEHICLE INFORMATION
RELATED TO REAR VIEW MONITOR
RELATED TO RGB IMAGE
Symptoms Check items Possible malfunction location / Action to take
Multifunction switch and preset
switch operation does not work. All switches cannot be operated.
 “Multi AV” is displayed on system se-
lection display when the CONSULT-
III is initialized.Perform CONSULT-III self-diagnosis.
Refer to AV- 6 8 , "
CONSULT-III Function (MULTI AV)".
 All switches cannot be operated
 “Multi AV” is not displayed on system
selection screen when the CON-
SULT-III is initialized.AV control unit power supply and ground circuits mal-
function.
Refer to AV- 8 2 , "
AV CONTROL UNIT : Diagnosis Proce-
dure".
Only specified switch cannot be operat-
edMultifunction switch or preset switch malfunction.
Replace multifunction switch or preset switch.
For multifunction switch, refer to AV- 1 7 6 , "
Removal and
Installation".
For preset switch, refer to AV- 1 7 7 , "
Removal and Instal-
lation".
Fuel economy display, vehicle set-
ting operation is abnormalThere is malfunction in the CONSULT-
III self-diagnosis resultPerform detected DTC self-diagnosis.
There is no malfunction in the self-diag-
nosis resultsIgnition signal. Refer to AV- 8 2 , "
AV CONTROL UNIT :
Diagnosis Procedure".
Symptoms Check itemsProbable malfunction location / Action
to take
It cannot be switched to rear view
monitor even when the selector le-
ver is in the reverse position. There is malfunction in the CONSULT-III self-diagno-
sis result.Perform CONSULT-III self-diagnosis.
Refer to AV- 6 8 , "
CONSULT-III Function
(MULTI AV)".
There is not malfunction in the CONSULT-III self-diag-
nosis result.Reverse signal circuit malfunction.(AV
control unit)
Camera image is not shown. AUX images are normal.  Rear view camera power supply cir-
cuit malfunction.
Refer to AV- 8 4 , "
CAMERA CON-
TROL UNIT : Diagnosis Procedure".
 Camera image signal circuit malfunc-
tion.
Refer to AV- 9 6 , "
Diagnosis Proce-
dure".
Possible route line is indicated ab-
normally when camera image is dis-
played.The “Steer. Angle Sensor” is not turned ON at “Con-
nection Confirmation” of “Camera Cont.”Steering angle sensor signal circuits.
Refer to AV-98, "
Diagnosis Procedure".
Camera image is rolling. AUX image is rolling Horizontal synchronizing (HP) signal
circuit malfunction between AV con-
trol unit and display unit.
Refer to AV- 9 1 , "
Diagnosis Proce-
dure".
 Vertical synchronizing (VP) signal cir-
cuit malfunction between AV control
unit and display unit.
Refer to AV- 9 2 , "
Diagnosis Proce-
dure".

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
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.