2008 NISSAN TEANA Service Manual

steering fold seats transmission oil lumbar support compression ratio headlight aiming

Page 209 of 5121

NISSAN TEANA 2008 Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-65
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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The self-diagnosis results are judged depending on whether any error occu

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-65
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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The self-diagnosis results are judged depending on whether any error occurs from when “Self-diagnosis” is
selected until the self-diagnosis results are displayed.
However, the diagnosis results are judged normal if an error has occurred before the ignition switch is turned
ON and then no error has occurred until the self-diagnosis start. Check the “Error Record” to detect any error
that may have occurred before the self-diagnosis start because of this situation.
The error record displays the time and place of the most recent occurrence of that error. However, take note of
the following points.
Place of the error occurrence is represented by the position of the current location mark at the time an error
occurred. If current location mark has deviated from the correct position, then the place of the error occur-
rence cannot be located correctly.
The frequency of occurrence is displayed in a count up manner. The actual count up method differs depend-
ing on the error item.
Count up method A
The counter resets to 0 if an error occurs when IGN switch is turned ON. The counter increases by 1 if the
condition is normal at a next IGN ON cycle.
The counter upper limit is 39. Any counts exceeding 39 are ignored.“ The counter can be reset (no error
record display) with the “Delete log” switch or CONSULT-III.
Count up method B
The counter increases by 1 if an error occurs when IGN switch is ON. The counter will not decrease even if
the condition is normal at the next IGN ON cycle.
The counter upper limit is 50. Any counts exceeding 50 are ignored. “ The counter can be reset (no error
record display) with the “Delete log” switch or CONSULT-III.
Error item
Some error items may be displayed simultaneously according to the cause. If some error items are displayed
simultaneously, the detection of the cause can be performed by the combination of display items
Display type of occur-
rence frequencyError history display item
Count up method A CAN communication line, control unit (CAN), AV communication line, control unit (AV communication)
Count up method B Other than the above
JSNIA0151GB
Error item Description Possible malfunction factor/Action to take
CAN COMM CIRCUITCAN communication malfunction is detect-
ed.Perform diagnosis with CONSULT-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.

Page 210 of 5121

NISSAN TEANA 2008 Service Manual AV-66
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
CONTROL UNIT (CAN)CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit. CONTROL U

Page 211 of 5121

NISSAN TEANA 2008 Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-67
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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P Vehicle CAN Diagnosis
CAN communication status and error counter is dis

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-67
< FUNCTION DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
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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 ErrorWith 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 ErrorWhen 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

Page 212 of 5121

NISSAN TEANA 2008 Service Manual 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 co

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
ItemsStatus
(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 ResultPerforms 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 communicationAV&NAVI C/UDisplays 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- 7 2 , "
DiagnosisProcedure".

Page 213 of 5121

NISSAN TEANA 2008 Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-69
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CONTROL UNIT (CAN) [U1010]CAN initial diagnosis malfunction is detect-
ed

Page 214 of 5121

NISSAN TEANA 2008 Service Manual 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 contro

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- 8 4 , "
CAMERA CONTROL
UNIT : Diagnosis Procedure".
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- 8 4 , "
CAMERA CONTROL
UNIT : Diagnosis Procedure".
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 SIGOn 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 SIGOn Parking brake is applied.
Off Parking brake is released.
ILLUM SIGOnBlock the light beam from the auto
light optical sensor when the light
switch is ON .
—
OffExpose the auto light optical sensor
to light when the light switch is OFF
or ON.
IGN SIGOn Ignition switch ON
Off Ignition switch in ACC position
REV SIGOn Selector lever in R position
Changes in indication may be delayed. This is
normal.
OffSelector lever in any position other
than R

Page 215 of 5121

NISSAN TEANA 2008 Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-71
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Allows the technician to select which vehicle signals should be displayed

Page 216 of 5121

NISSAN TEANA 2008 Service Manual AV-72
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000003882713
CAN (Controller Area Network) is a ser

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