Infiniti G37 Coupe. Manual — part 68
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-25
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT
CAN communication malfunction is detect-
ed.
Perform diagnosis with CONSULT-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to
AV-26, "CONSULT - III Function
CONTROL UNIT (CAN)
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit.
CONTROL UNIT (AV)
AV communication circuit initial diagnosis
malfunction is detected.
FLASH-ROM Error Of Control Unit
AV control unit malfunction is detected.
CAN Controller Memory Error
Front Display Connection Error
• Display unit power supply and ground
circuit malfunction is detected.
• Malfunction is detected in communica-
tion circuit between AV control unit and
display unit.
• Malfunction is detected in communica-
tion signal between AV control unit and
display unit.
• Display unit power supply and ground
circuit.
• Communication circuit between AV con-
trol unit and display unit.
SAT Connection Error
• Satellite radio tuner power supply and
ground circuit malfunction is detected.
• Malfunction is detected in communica-
tion circuit between AV control unit and
satellite radio tuner.
• Malfunction is detected in communica-
tion signal between AV control unit and
satellite radio tuner.
• Malfunction is detected in request signal
circuit between AV control unit and satel-
lite radio tuner.
• Satellite radio tuner power supply and
ground circuit.
• Communication circuit between AV con-
trol unit and satellite radio tuner.
• Request signal circuit between AV con-
trol unit and satellite radio tuner.
• AV COMM CIRCUIT
• Switches Connection Error
• Multifunction switch power supply and
ground circuit malfunction is detected.
• Malfunction is detected in AV communi-
cation circuit between AV control unit and
multifunction switch.
• Malfunction is detected in AV communi-
cation signal between AV control unit and
multifunction switch.
• Multifunction switch power supply and
ground circuits.
• AV communication circuit between AV
control unit and multifunction switch.
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
JSNIA0080GB
AV-26
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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)
Initialize Settings
Initializes the AV control unit memory.
CONSULT - III Function (MULTI AV)
INFOID:0000000001559126
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.
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 (XM–ITM)
—
—
JSNIA0213GB
JSNIA0154GB
JSNIA0155GB
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.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-27
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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 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 detection range
Self-diagnosis results display item
JPNIA0515GB
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000]
CAN communication malfunction is detect-
ed.
Perform diagnosis with CONSULT-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to
AV-26, "CONSULT - III Function
CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit.
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]
• Display unit power supply and ground
circuit malfunction is detected.
• Malfunction is detected in communica-
tion circuit between AV control unit and
display unit.
• Malfunction is detected in communica-
tion signal between AV control unit and
display unit.
• Display unit power supply and ground
circuit.
• Communication circuit between AV con-
trol unit and display unit.
AV-28
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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.
SELECTION FROM MENU
Allows the technician to select which vehicle signals should be displayed and displays the status of the
selected vehicle signals.
SAT CONN [U1255]
• Satellite radio tuner power supply and
ground circuit malfunction is detected.
• Malfunction is detected in communica-
tion circuit between AV control unit and
satellite radio tuner.
• Malfunction is detected in communica-
tion signal between AV control unit and
satellite radio tuner.
• Malfunction is detected in request signal
circuit between AV control unit and satel-
lite radio tuner.
• Satellite radio tuner power supply and
ground circuit.
• Communication circuit between AV con-
trol unit and satellite radio tuner.
• Request signal circuit between AV con-
trol unit and satellite radio tuner.
• AV COMM CIRCUIT [U1300]
• SWITCH CONN [U1240]
• Multifunction switch power supply and
ground circuit malfunction is detected.
• Malfunction is detected in AV communi-
cation circuit between AV control unit and
multifunction switch.
• Malfunction is detected in AV communi-
cation signal between AV control unit and
multifunction switch.
• Multifunction switch power supply and
ground circuits.
• AV communication circuit between AV
control unit and multifunction switch.
Error item
Description
Possible malfunction factor/Action to take
Display Item
Dis-
play
Vehicle status
Remarks
VHCL SPD SIG
On
Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is nor-
mal.
Off
Vehicle speed =0 km/h (0 MPH)
PKB SIG
On
Parking brake is applied.
Off
Parking brake is released.
ILLUM SIG
On
Light switch ON
—
Off
Light switch OFF
IGN SIG
On
Ignition switch ON
Off
Ignition switch in ACC position
REV SIG
On
Shift the selector lever to “R” position
Changes in indication may be delayed. This is nor-
mal.
Off
Shift the selector lever other than “R”
position
Item to be selected
Description
VHCL SPD SIG
The same as when “ALL SIGNALS”
is selected.
PKB SIG
ILLUM SIG
IGN SIG
REV SIG
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст