Nissan Maxima. Manual — part 95
AV-200
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Camera Cont.
The two functions of “Connection Confirmation” and “Adjust Offset of Rear View Camera” are available.
CONNECTION CONFIRMATION
The vehicle speed sensor, parking brake, park lights, ignition switch
and reverse sensor can be inspected.
ADJUST OFFSET OF REAR VIEW CAMERA
SAT Connection Error
When any one of the following items is de-
tected:
• satellite radio tuner power supply and
ground circuits are malfunctioning.
• serial communication circuits between
AV control unit and satellite radio tuner
are malfunctioning.
• serial communication or request signal
between AV control unit and satellite ra-
dio tuner is malfunctioning.
• request signal circuit between AV control
unit and satellite radio tuner is malfunc-
tioning.
• Satellite radio tuner power supply and
ground circuits.
• Serial communication circuits between
AV control unit and satellite radio tuner.
• Request signal circuit between AV con-
trol unit and satellite radio tuner.
• AV COMM CIRCUIT
• Switches Connection Error
When any one of the following items is de-
tected:
• multifunction switch power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
• Multifunction switch power supply and
ground circuits.
• AV communication circuits between AV
control unit and multifunction switch.
Error item
Description
Possible malfunction factor/Action to take
AWNIA1744GB
Diagnosis item
Display
Vehicle status
Steer. Angle Sensor
ON
When steering the vehicle with ignition switch ON (remains ON until connection
mode is stopped when it is turned ON).
OFF
• Ignition switch at ACC.
• No steering with ignition switch ON.
—
Malfunction detected in camera connection recognition signal.
Reverse Sensor
ON
Selector lever is in “R” with ignition switch ON.
OFF
• Ignition switch at ACC.
• Selector lever is in position other than “R” with ignition switch ON.
—
Malfunction detected in camera-connection recognition signal.
Vehicle Speed Sensor
ON
Vehicle speed is more than 0 km/h (0 MPH) with ignition switch ON.
OFF
• Ignition switch at ACC.
• Vehicle speed is 0 km/h (0 MPH) with ignition switch ON.
—
Malfunction detected in camera connection recognition signal.
Side view Switch
—
Not used.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-201
< SYSTEM DESCRIPTION >
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Use this mode to adjust the guide line display position of the rear-
view monitor if necessary after removing the rear view monitor cam-
era.
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 status is normal at the next ignition switch ON
cycle. The upper limit of the counter is 39.
• The error counter is erased if reset.
AV COMM Diagnosis
• Displays the communication status between AV control unit (mas-
ter unit) and each unit.
• 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.
• If it resets, the error counter is erased.
Delete Unit Connection Log
Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed.)
Initialize Settings
JSNIA0085GB
Items
Display (Current)
Malfunction counter
(Past)
Tx (HVAC)
OK / UNKWN
OK / 0 - 39
Rx (ECM)
OK / UNKWN
OK / 0 - 39
Rx (Cluster)
OK / UNKWN
OK / 0 - 39
Rx (HVAC)
OK / UNKWN
OK / 0 - 39
Rx (USM)
OK / UNKWN
OK / 0 - 39
Rx (STRG)
OK / UNKWN
OK / 0 - 39
AWNIA1967GB
Items
Status
(Current)
Counter
(Past)
C Tx(ITM-SW)
OK / UNKWN
OK / 0 - 39
C Rx(PrimarySW-ITM)
OK / UNKWN
OK / 0 - 39
C Rx(BTHF-ITM)
OK / UNKWN
OK / 0 - 39
AWNIA1978GB
JSNIA0154GB
A
V
- 2
0
2
< SYSTEM DESCRIPTION >
[COLOR DISPLAY - W/O BOSE]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
“Erase All Customer Data” and “Reset Factory Configuration” are
possible.
CAUTION:
• Never perform Reset Factory Configuration except when con-
figuration is unsuccessful.
• Factory Configuration Initialize requires configuration. For
details, refer to
AV-193, "Diagnosis Description"
.
CONSULT Function (MULTI AV)
INFOID:0000000010064830
APPLICATION ITEMS
CONSULT performs the following functions via the communication with the AV control unit.
AV Communication
When “AV communication” of “CAN Diag Support Monitor” is selected, the following function will be performed.
ECU IDENTIFICATION
The part number of AV control unit is displayed.
SELF DIAGNOSIS RESULT
• In CONSULT 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 error 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
AWNIA2038GB
Diagnosis mode
Description
Ecu Identification
The part number of AV control unit can be checked.
Self Diagnostic Result
Performs a diagnosis on the AV control unit and a connection diagnosis for the communication
circuit of the Multi AV system, and displays the current and past malfunctions collectively.
Data Monitor
The diagnosis of vehicle signal that is input to the AV control unit can be performed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing AV control unit.
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.
Perform diagnosis with CONSULT, and
then repair the malfunctioning parts ac-
cording to the diagnosis results.
Refer to
.
CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit if the malfunc-
tion occurs constantly.
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected.
Cont Unit [U1200]
AV control unit malfunction is detected.
CAN CONT [U1216]
SUB CPU CONN [U1228]
iPod CERTIFICATION [U1229]
Built-in AUDIO CONN [U122E]
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-203
< SYSTEM DESCRIPTION >
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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.
HDD CONN [U1218]
AV control unit malfunction is detected.
• If the hard disk drive (HDD) is function-
ing normally, there is a possibility of a
temporary malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
HDD READ [U1219]
HDD WRITE [U121A]
HDD COMM [U121B]
HDD ACCESS [U121C]
USB CONTROLLER [U1225]
USB connection malfunction is detected.
Check that the connection to the USB con-
nector is normal.
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.
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.
CONFIG UNFINISH [U122A]
The writing of configuration data is incom-
plete.
Write configuration data with CONSULT.
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.
FRONT DISP CONN [U1243]
When either one of the following items are
detected:
• Display unit power supply and ground
circuits malfunction is detected.
• Communication circuits between AV
control unit and display unit.
• Display unit power supply and ground
circuits.
• Communication circuits between AV
control unit and AV display unit.
SAT CONN [U1255]
Satellite radio tuner malfunction is detect-
ed.
Replace the satellite radio tuner if the mal-
function occurs constantly.
USB OVERCURRENT [U1263]
Detection of over current in USB connect-
er.
Check USB harness between the AV con-
trol unit and USB connector.
• 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.
Error item
Description
Possible malfunction factor/Action to take
Display Item
Display
Vehicle status
Remarks
VHCL SPD SIG
On
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is
normal.
Off
Vehicle speed =0 km/h (0 MPH)
PKB SIG
On
Parking brake is applied.
Off
Parking brake is released.
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