Nissan Titan A60. Manual — part 97
AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
AV-213
< SYSTEM DESCRIPTION >
[PREMIUM WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
*: Control unit = NAVI control unit
CAUTION:
• When AV switch has a malfunction, you cannot start. Refer to
AV-208, "AV SWITCH : Component
.
• When display unit has a malfunction, you cannot start. Refer to
AV-223, "DISPLAY UNIT : Diagnosis
.
Self-diagnosis codes
CONFIRMATION/ADJUSTMENT MODE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “MEMORY 4” button, turn the volume control
dial clockwise or counterclockwise for 30 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)
• Shifting from current screen to previous screen is performed
by pressing “BACK” button.
Screen switch
Diagnosis No.
Switch color
Control unit*
GPS antenna
Red
×
1
Gray
×
2
Yellow
×
3
×
4
×
×
5
Diagnosis
No.
Possible cause
Reference
page
1
NAVI control unit malfunction.
Refer to
2
No map DVD-ROM is inserted in the NAVI control unit.
Refer to
3
When “DVD-ROM error. Please check disc.” is shown.
1.
Eject map DVD-ROM and check if it is compatible with the system.
2.
Check ejected DVD-ROM for dirt, damage, and warpage.
3.
If no error is found, insert a known good map DVD-ROM of the same type and perform self-diag-
nosis again. If same result is shown, the NAVI control unit is malfunctioning. If result is normal, the
map DVD-ROM is malfunctioning.
Refer to
4
If “Error found in DVD-ROM or DVD-ROM driver in control unit. Please perform diagnosis in accordance
with service manual” is shown, carry out same inspection as diagnosis No. 3.
Refer to
5
GPS antenna system.
1.
Visually check for a broken wire in the GPS antenna coaxial cable.
2.
Disconnect GPS antenna connector, and make sure approximately 5V is supplied from the NAVI
control unit. If not, the NAVI control unit is malfunctioning. If 5V is supplied, replace the GPS an-
tenna. If the connection is still malfunction after the replacement of the GPS antenna, the NAVI
control unit is malfunctioning.
Refer to
ALNIA0749GB
AV-214
< SYSTEM DESCRIPTION >
[PREMIUM WITH NAVIGATION]
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
4. The initial self-diagnosis screen will be shown, and items “Self-
Diagnosis (DCU)”, “Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. When “Confirmation/Adjustment” is selected on the initial self-
diagnosis screen, the operation will enter the CONFIRMATION/
ADJUSTMENT mode. In this mode, check and adjustment of
each item will become possible.
6. The initial trouble diagnosis screen will be shown, and items
“Display Diagnosis”, “Vehicle Signals”, “Auto Climate Control”
and “Navigation” will become selective.
7. Select each switch on “CONFIRMATION/ADJUSTMENT”
screen to display the relevant diagnosis screen.
DISPLAY DIAGNOSIS
• When RGB signal error occurred in the RGB system, tone of the color bar will change as follows.
• When the color of the screen looks unusual, refer to
and
VEHICLE SIGNALS
SKIA4207E
SKIA4220E
ALNIA0752GB
R (red) signal error
: Screen looks bluish
G (green) signal error
: Screen looks reddish
B (blue) signal error
: Screen looks yellowish
AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
AV-215
< SYSTEM DESCRIPTION >
[PREMIUM WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
• A comparison check can be made of each actual vehicle signal
and the signals recognized by the system.
CAUTION:
In case of confirming light signal, set D/N mode to ON/OFF of
lighting switch (normal setting).
• OFF: D (Day mode)
• ON: N (Night mode)
Unless above setting, light signal (ON/OFF) may not be accu-
rately displayed.
NAVIGATION
1. The initial confirmation/adjustment screen will be shown, and
items “Display Diagnosis”, “Vehicle Signals”, “Navigation”,
"Error History“ and "Delete Unit Connection Log” will become
selective.
2. Select each switch on “CONFIRMATION/ADJUSTMENT”
screen to display the relevant diagnosis screen.
WKIA4306E
Diagnosis item
Display
Condition
Remarks
Vehicle speed
ON
Vehicle speed > 0 km/h (0 MPH)
Changes in indication may be delayed by ap-
prox. 1.5 seconds. This is normal.
OFF
Vehicle speed = 0 km/h (0 MPH)
–
Ignition switch in ACC position
Light
ON
Lighting switch ON
–
OFF
Lighting switch OFF
IGN
ON
Ignition switch ON
–
OFF
Ignition switch ACC
Reverse
ON
Selector lever in R position
Changes in indication may be delayed by ap-
prox. 1.5 seconds. This is normal.
OFF
Selector lever in other than R position
–
Ignition switch in ACC position
WKIA4311E
AV-216
< SYSTEM DESCRIPTION >
[PREMIUM WITH NAVIGATION]
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
DISPLAY DIAGNOSIS
• When RGB signal error occurred in the RGB system, tone of the color bar will change as follows.
• When the color of the screen looks unusual, refer to
and
VEHICLE SIGNALS
• A comparison check can be made of each actual vehicle signal
and the signals recognized by the system.
CAUTION:
In case of confirming light signal, set D/N mode to ON/OFF of
light switch (normal setting).
• OFF: D (Day mode)
• ON: N (Night mode)
Unless mode is in above setting, light signal (ON/OFF) may
not be accurately displayed.
NAVIGATION
WKIA4317E
R (red) signal error
: Screen looks bluish
G (green) signal error
: Screen looks reddish
B (blue) signal error
: Screen looks yellowish
WKIA4443E
Diagnosis item
Display
Condition
Remarks
Vehicle speed
ON
Vehicle speed > 0 km/h (0 MPH)
Changes in indication may be delayed by ap-
prox. 1.5 seconds. This is normal.
OFF
Vehicle speed = 0 km/h (0 MPH)
–
Ignition switch in ACC position
Lights
ON
Lighting switch ON
–
OFF
Lighting switch OFF
Ignition
ON
Ignition switch ON
–
OFF
Ignition switch ACC
Reverse
ON
Selector lever in R position
Changes in indication may be delayed by ap-
prox. 1.5 seconds. This is normal.
OFF
Selector lever in other than R position
–
Ignition switch in ACC position
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