Nissan Teana J32. Manual — part 53
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-67
< FUNCTION DIAGNOSIS >
[BASE AUDIO AND DISPLAY SYSTEM]
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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.
AV COMM Diagnosis
• AV COMM CIRCUIT
• Rear view Camera connection Error
With rear control switch
When either one of the following items is
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication signal between AV
control unit and Camera control unit is
malfunctioning.
• AV communication circuits between mul-
tifunction switch and rear control switch
are malfunctioning.
• AV communication circuits between rear
control switch and camera control unit
are malfunctioning.
• Camera control unit power supply and
ground circuits
• AV communication circuits between mul-
tifunction switch and rear control switch
• AV communication circuits between rear
control switch and camera control unit
Without rear control switch
When either one of the following items is
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and camera control unit is
malfunctioning.
• AV communication signal between AV
control unit and camera control unit is
malfunctioning.
• Camera control unit power supply and
ground circuits
• AV communication circuits between mul-
tifunction switch and camera control unit
• AV COMM CIRCUIT
• Switches Connection Error
• Rear view Camera connection Error
When either one of the following items is
detected:
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
AV communication circuits between AV
control unit and multifunction switch
Error item
Description
Possible malfunction factor/Action to take
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 (BCM)
OK / UNKWN
OK / 0 – 39
Rx (HVAC)
OK / UNKWN
OK / 0 – 39
Rx (USM)
OK / UNKWN
OK / 0 – 39
JSNIA1287GB
AV-68
< FUNCTION DIAGNOSIS >
[BASE AUDIO AND DISPLAY SYSTEM]
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 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)
CONSULT-III Function (MULTI AV)
INFOID:0000000003882712
CONSULT-III FUNCTIONS
CONSULT-III 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.
SELF-DIAGNOSIS RESULTS
• In CONSULT-III self-diagnosis, self-diagnosis results and error history are displayed collectively.
• 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
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(RrSeatSW–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(RearCamera–ITM)
OK / UNKWN
OK / 0 – 39
JSNIA1439GB
JSNIA0154GB
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.
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
Detection logic
Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000]
CAN communication malfunction is detect-
ed.
Refer to
.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-69
< FUNCTION DIAGNOSIS >
[BASE AUDIO AND DISPLAY SYSTEM]
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CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit.
Refer to
AV-170, "Removal and Installa-
.
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected.
Control Unit FLASH-ROM [U1200]
AV control unit malfunction is detected.
CAN CONT [U1216]
FRONT DISP CONN [U1243]
When either one of the following items is
detected:
• display unit power supply and ground cir-
cuits are malfunctioning.
• serial communication circuits between
display unit and AV control unit are mal-
functioning.
• serial communication signal between
display unit and AV control unit is mal-
functioning.
• Display unit power supply and ground
circuits
Refer to
.
• Serial communication circuits between
display unit and AV control unit
CAMERA CONT. CONN [U1250]
A malfunction is detected in camera con-
nection recognition signal circuit.
Camera connection recognition signal cir-
cuit
Refer to
.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
When either one of the following items is
detected:
• 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
refer to
• AV communication circuits between AV
control unit and multifunction switch
Error item
Detection logic
Possible malfunction factor/Action to take
AV-70
< FUNCTION DIAGNOSIS >
[BASE AUDIO AND DISPLAY SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DATA MONITOR
ALL SIGNALS
• Displays the status of the following vehicle signals inputted to the AV control unit.
• For each signal, actual signal can be compared with the condition recognized on the system.
SELECTION FROM MENU
• AV COMM CIRCUIT [U1300]
• REAR-CAMERA LAN CONN [U1252]
With rear control switch
When either one of the following items is
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication signal between AV
control unit and Camera control unit is
malfunctioning.
• AV communication circuits between mul-
tifunction switch and rear control switch
are malfunctioning.
• AV communication circuits between rear
control switch and camera control unit
are malfunctioning.
• Camera control unit power supply and
ground circuits
Refer to
• AV communication circuits between mul-
tifunction switch and rear control switch
• AV communication circuits between rear
control switch and camera control unit
Without rear control switch
When either one of the following items is
detected:
• camera control unit power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and camera control unit is
malfunctioning.
• AV communication signal between AV
control unit and camera control unit is
malfunctioning.
• Camera control unit power supply and
ground circuits
Refer to
• AV communication circuits between mul-
tifunction switch and camera control unit
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• REAR-CAMERA LAN CONN [U1252]
When either one of the following items is
detected:
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• AV communication signal between AV
control unit and multifunction switch is
malfunctioning.
AV communication circuits between AV
control unit and multifunction switch
Error item
Detection logic
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.
ILLUM SIG
On
Block the light beam from the auto
light optical sensor when the light
switch is ON .
—
Off
Expose the auto light optical sensor
to light when the light switch is OFF
or ON.
IGN SIG
On
Ignition switch ON
Off
Ignition switch in ACC position
REV SIG
On
Selector lever in R position
Changes in indication may be delayed. This is
normal.
Off
Selector lever in any position other
than R
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