2011 INFINITI QX56 Factory Service Manual

turn signal bulb warning width rear entertainment jacking points sunroof

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INFINITI QX56 2011 Factory Service Manual
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-37
< SYSTEM DESCRIPTION >
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Vehicle CAN Diagnosis
CAN communication status and error counter is displayed.
The error counter dis

AV
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Vehicle CAN Diagnosis
CAN communication status and error counter is displayed.
The error counter displays “OK” if any malfunction was not
detected in the past and displays “0 ” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.
The error counter is erased if “Reset” is pressed.
NOTE:
“???” indicates UNKWN.
AV COMM Diagnosis
AV COMM CIRCUIT
Switches Connection Error When either one of the following items are
detected:
multifunction switch power supply and
ground circuits were malfunctioning.
AV communication circuits between AV
control unit and multifunction switch are
malfunctioning. Multifunction switch power supply and
ground circuits.
AV communication circuits between AV control unit and multifunction switch.
AV COMM CIRCUIT
AVM Connection Error When either one of the following items are
detected:
around view monitor control unit power
supply and ground circuits are malfunc-
tioning.
AV communication circuits between AV control unit and around view monitor
control unit are malfunctioning. Around view monitor control unit power
supply and ground circuits.
AV communication circuits between AV control unit and around view monitor
control unit.
AV COMM CIRCUIT
Sonar Connection Error When either one of the following items are
detected:
sonar control unit power supply and
ground circuits are malfunctioning.
AV communication circuits between AV control unit and sonar control unit are
malfunctioning. Sonar control unit power supply and
ground circuits.
AV communication circuits between AV control unit and sonar control unit.
AV COMM CIRCUIT
Switches Connection Error
Sonar Connection Error
AVM Connection Error AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.AV communication circuits between AV
control unit and multifunction switch.
AV COMM CIRCUIT
Switches Connection Error
Sonar Connection Error
AVM Connection Error
2nd Display Connection Error Error item Description Possible malfunction factor/Action to take
Items Display (Current)
Malfunction counter
(Past)
Tx(HVAC) OK / ??? OK / 0 – 39
Rx(ECM) OK / ??? OK / 0 – 39
Rx(Cluster) OK / ??? OK / 0 – 39
Rx(HVAC) OK / ??? OK / 0 – 39
Rx(USM) OK / ??? OK / 0 – 39
Rx(TPMS) OK / ??? OK / 0 – 39
Rx(STRG) OK / ??? OK / 0 – 39
Rx(ACC) OK / ??? OK / 0 – 39
RX(VDC) OK / ??? OK / 0 – 39
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INFINITI QX56 2011 Factory Service Manual
AV-38
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Displays the communication status between AV control unit (mas-ter unit) and each unit.
The error counter displays “OK” if any

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INFINITI QX56 2011 Factory Service Manual
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-39
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Deletes any unit connection records and error records from the AV
control unit memory. (Clear the record

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$INFINITI QX56 2011 Factory Service Manual AV-40 < SYSTEM DESCRIPTION > DIAGNOSIS SYSTEM (AV CONTROL UNIT) AV Communication When “AV communication” of “CAN Diag Support Monitor” is selected, the f\ ollowing function will be performed.$

AV-40
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV Communication
When “AV communication” of “CAN Diag Support Monitor” is selected, the f\
ollowing function will be performed.
ECU IDENTIFICATION
The part number of AV control unit is displayed.
SELF DIAGNOSIS RESULT
In CONSULT-III self-diagnosis, self-diagnosis results and error history are displayed collectively.
The current malfunction indicates “CRNT”. The past malfunction indicates “PAST”.
The timing is displayed as “0” if any of the e rror codes [U1000], [U1010], [U1300] and [U1310] is detected.
The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.
Self-diagnosis Results Display Item
Data Monitor The diagnosis of vehicle signal that is input to the AV control unit can be performed.
Work Support Steering angle sensor can be adjusted.
Configuration Read and save the vehicle specification.
Write the vehicle specification when replacing AV control unit.
Diagnosis mode Description
AV communication
AV&NAVI C/U
Displays the communication status from AV control unit to each unit as well as the error
counter.
AUDIO Displays the AV control unit communication status and the error counter.
Error item Description Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000] CAN communication malfunction is detect-
ed.Refer to
AV- 11 8 , "
DiagnosisProcedure".
CONTROL UNIT (CAN) [U1010] CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit if the malfunc-
tion occurs constantly.
Refer to AV- 2 1 2 , "
Removal and Installa-
tion".
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected.
Cont Unit [U1200]
AV control unit malfunction is detected.
GYRO NO CONN [U1201]
G-SENSOR NO CONN [U1202]
CAN CONT [U1216]
BLUETOOTH MODULE [U1217]
SUB CPU CONN [U1228]
iPod CERTIFICATION [U1229]
Built-in AUDIO CONN [U122E]
HDD CONN [U1218]
AV control unit malfunction is detected. If the music box function has no mal-
functions, then there is a possibility of
the detection of a temporary malfunc-
tion.
Replace the AV control unit if the mal- function occurs constantly.
Refer to AV- 2 1 2 , "
Removal and Installa-
tion".
HDD READ [U1219]
HDD WRITE [U121A]
HDD COMM [U121B]
HDD ACCESS [U121C]
GPS COMM [U1204]
GPS malfunction is detected. An intermittent error caused by strong
radio interference may be detected un-
less any symptom (GPS reception error,
etc.) occurs.
Replace the AV control unit if the mal- function occurs constantly.
Refer to AV- 2 1 2 , "
Removal and Installa-
tion".
GPS ROM [U1205]
GPS RAM [U1206]
GPS RTC [U1207]
USB CONTROLLER [U1225] USB connection malfunction is detected.
Check that the connection to the USB con-
nector is normal.
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INFINITI QX56 2011 Factory Service Manual
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-41
< SYSTEM DESCRIPTION >
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DSP CONN [U121D] AV control unit malfunction is detected. If a disc can be played, then there is a
pos

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-41
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DSP CONN [U121D] AV control unit malfunction is detected. If a disc can be played, then there is a
possibility of the detection of a tempo-
rary malfunction.
Replace the AV control unit if the mal- function occurs constantly.
Refer to AV- 2 1 2 , "
Removal and Installa-
tion".
DSP COMM [U121E]
DVD COMM [U1227] AV control unit malfunction is detected. If DVD can be played, then there is a
possibility of the detection of a tempo-
rary malfunction.
Replace the AV control unit if the mal- function occurs constantly.
Refer to AV- 2 1 2 , "
Removal and Installa-
tion".
CONFIG UNFINISH [U122A] The writing of configuration data is incom-
plete.Write configuration data with CONSULT-
III.
ST ANGLE SEN CALIB [U1232] Predictive course line center position ad-
justment of the steering angle sensor is in-
complete.Adjust the predictive course line center po-
sition of the steering angle sensor.
Refer to
BRC-64, "
Work Procedure".
FRONT DISP CONN [U1243] When either one of the following items are
detected:
front display unit power supply and
ground circuits are malfunctioning.
serial communication circuits between
AV control unit and front display unit are
malfunctioning. Front display unit power supply and
ground circuits.
Serial communication circuits between AV control unit and front display unit.
GPS ANTENNA CONN [U1244] GPS antenna connection malfunction is
detected.Check the connection of the GPS antenna
connector.
AV COMM CIRCUIT [U1300]
VIDEO DIST CONN [U1246] When either one of the following items are
detected:
video distributor power supply and
ground circuits are malfunctioning.
headrest display unit LH power supply and ground circuits are malfunctioning.
AV communication circuits between AV
control unit and headrest display unit LH
are malfunctioning.
location recognition signal circuit be-
tween headrest display unit LH and
ground is malfunctioning. Video distributor power supply and
ground circuits.
Headrest display unit LH power supply
and ground circuits.
AV communication circuits between AV control unit and headrest display unit
LH.
Location recognition signal circuit be- tween headrest display unit LH and
ground.
3RD DISP CONN [U125A] When either one of the following items are
detected:
headrest display unit RH power supply
and ground circuits are malfunctioning.
AV communication circuits between headrest display unit LH and headrest
display unit RH are malfunctioning.
location recognition signal circuit be- tween headrest display unit RH and
ground is malfunctioning. Headrest display unit RH power supply
and ground circuits.
AV communication circuits between Headrest display unit LH and headrest
display unit RH.
Location recognition signal circuit be- tween headrest display unit RH and
ground.
XM ANTENNA CONN [U1258] Satellite radio antenna connection mal-
function is detected.Satellite radio antenna disconnection.
USB OVERCURRENT [U1263] Detection of overcurrent in USB connect-
er.Check USB harness between the AV con-
trol unit and USB connector.
ANTENNA AMP TERMINAL
[OPEN or SHORT]
[U1264] Radio antenna amp. ON signal circuit mal-
function is detected.
Radio antenna amp. ON signal circuit be-
tween AV control unit and antenna amp.
AMP ON TERMINAL
[GND-SHORT or VB-SHORT]
[U1265] BOSE amp. ON signal circuit malfunction
is detected.
BOSE amp. ON signal circuit between AV
control unit and BOSE amp.
Error item Description Possible malfunction factor/Action to take
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INFINITI QX56 2011 Factory Service Manual
AV-42
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DATA MONITOR
ALL SIGNALS
Displays the status of the following vehicle signals inputted into the AV control unit.
For each signal, a

AV-42
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DATA MONITOR
ALL SIGNALS
Displays the status of the following vehicle signals inputted into the AV control unit.
For each signal, actual signal can be compared with the condition recognized on the system.
AV COMM CIRCUIT [U1300]
SWITCH CONN [U1240]When either one of the following items are
detected:
multifunction switch power supply and
ground circuits are malfunctioning.
AV communication circuits between AV
control unit and multifunction switch are
malfunctioning. Multifunction switch power supply and
ground circuits.
AV communication circuits between AV control unit and multifunction switch.
AV COMM CIRCUIT [U1300]
AROUND CAMERA CONN [U125B] When either one of the following items are
detected:
around view monitor control unit power
supply and ground circuits are malfunc-
tioning.
AV communication circuits between AV control unit and around view monitor
control unit are malfunctioning. Around view monitor control unit power
supply and ground circuits.
AV communication circuits between AV control unit and around view monitor
control unit.
AV COMM CIRCUIT [U1300]
SONAR CONN [U125C] When either one of the following items are
detected:
sonar control unit power supply and
ground circuits are malfunctioning.
AV communication circuits between AV control unit and sonar control unit are
malfunctioning. Sonar control unit power supply and
ground circuits.
AV communication circuits between AV control unit and sonar control unit.
AV COMM CIRCUIT [U1300]
SWITCH CONN [U1240]
SONAR CONN [U125C]
AROUND CAMERA CONN [U125B] AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.AV communication circuits between AV
control unit and multifunction switch.
AV COMM CIRCUIT [U1300]
SWITCH CONN [U1240]
SONAR CONN [U125C]
AROUND CAMERA CONN [U125B]
VIDEO DIST CONN [U1246] Error item Description Possible malfunction factor/Action to take
Display Item Display Vehicle status Remarks
VHCL SPD SIG On Vehicle speed >= 8 km/h (5 MPH)
Changes in indication may be delayed. This is
normal.
Off Vehicle speed < 8 km/h (5 MPH)
PKB SIG On Parking brake is applied.
Off Parking brake is released.
ILLUM SIG On
Block the light from the auto light op-
tical sensor when the lighting switch
is 1st or 2nd.
—
Off Either of the following conditions.
Lighting switch is OFF
Expose the auto light optical sen-
sor to light when the lighting switch
is 1st or 2nd.
IGN SIG On Ignition switch is ON
Off Ignition switch is in ACC position
REV SIG On Selector lever is in R position
Changes in indication may be delayed. This is
normal.
Off Selector lever is in any position other
than R
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INFINITI QX56 2011 Factory Service Manual
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-43
< SYSTEM DESCRIPTION >
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SELECTION FROM MENU
Allows the technician to select which vehicle signal
s should be displayed and displ

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INFINITI QX56 2011 Factory Service Manual
AV-44
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)
DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)
On Board Diagnosis FunctionINFOID:0000000006216221
The diagnosis f

AV-44
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)
DIAGNOSIS SYSTEM (AROUND VIEW MONITOR CONTROL UNIT)
On Board Diagnosis FunctionINFOID:0000000006216221
The diagnosis function of around view monitor control unit is displayed when selecting “Camera Cont.” of Con-
firmation/Adjustment mode in the multi AV system.
Around view monitor control unit diagnosis item
CAUTION:
*: Never perform other operations for approxim ately 10 seconds after performing "Initialize Camera
Image Calibration".
Connection Confirmation
The status of signals inputted to around view monitor control unit can
be checked.
Connection Confirmation item list
AV control unit Confirmation/Adjustment mode Function
Camera Cont. Connection Confirmation
The status of signals input to around view monitor control unit
can be checked.
Calibrating Cam-
era Image Rear Camera Performs the calibration of rear camera.
Pass-Side Camera Performs the calibration of side camera RH.
Front Camera Performs the calibration of front camera.
Dr-Side Camera Performs the calibration of side camera LH.
Initialize Camera Image
Calibration
*The calibration can be initialized to NISSAN factory shipment
condition.
Fine Tuning of Bird’s-Eye View The confirmation and adjustment of the difference between
each camera can be performed.
The system changes to the ZOOM function by the operation of shift and the ZOOM ratio of each camera can be changed.
Correct Draw Line
of Wide View Rear-Wide View The position of rear wide view guideline can be changed.
JSNIA2277ZZ
Diagnosis item Display Description
Steer. Angle Sensor ON/OFF Input status of steering angle sensor is displayed by ON/OFF.
Reverse Sensor ON/OFF Input status of reverse signal inputted to around view monitor control unit is dis-
played by ON/OFF in real time.
Vehicle Speed Sensor ON/OFF Input status of vehicle speed signal inputted to around view monitor control
unit is displayed by ON/OFF.
When the vehicle speed signal is input, it is turned ON. It remains ON until con- nection confirmation mode is stopped.
Camera Switch ON/OFF The status of camera switch signal received via AV communication from AV
control unit is displayed by ON/OFF.
When the camera switch signal is received once, it is turned ON. It remains ON until connection confirmation mode is stopped.
IGN ON/OFF Input status of ignition signal inputted to around view monitor control unit is dis-
played by ON/OFF in real time.
ILL ON/OFF Input status of illumination signal inputted to around view monitor control unit is
displayed by ON/OFF in real time.
Revision: 2010 May2011 QX56

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