Nissan Xterra. Manual — part 18
AV-64
< SYSTEM DESCRIPTION >
[DISPLAY AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
• The counter increases by 1 if an error occurs when ignition switch is ON. The counter will not decrease even
if the condition is normal at the next ignition 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.
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
AV COMM Diagnosis
• Displays the communication status between audio unit (master
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.
• The error counter is erased if Reset is pressed.
NOTE:
“???” indicates UNKWN.
Display type of occurrence
frequency
Error history display item
Count up method A
AV communication line, control unit (AV)
Count up method B
Other than the above
JSNIA2807GB
Error item
Description
Possible cause
CONTROL UNIT (AV)
AV communication circuit initial diagnosis
malfunction is detected.
Replace the audio unit if the malfunction
occurs constantly.
Refer to
AV-108, "Removal and Installa-
.
• AV COMM CIRCUIT
• H/F Unit Connection Error
When one of the following is detected:
• malfunction is detected in Bluetooth
®
control unit power supply and ground cir-
cuits.
• malfunction is detected in AV communi-
cation circuits between audio unit and
Bluetooth
®
control unit.
• Bluetooth
®
control unit power supply or
ground circuits.
Refer to
TROL UNIT : Diagnosis Procedure"
• AV communication circuits between au-
dio unit and Bluetooth
®
control unit.
Items
Status
(Current)
Counter
(Past)
C Rx(BTHF-ITM)
OK / ???
OK / 0 – 39
JSNIA2813ZZ
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-65
< SYSTEM DESCRIPTION >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Delete Unit Connection Log
Deletes any unit connection records and error records from the
audio unit memory (clears the records of the unit that has been
removed).
Initialize Settings
Deletes data stored from the audio unit.
AWNIA2637GB
JSNIA0155GB
AV-66
< ECU DIAGNOSIS INFORMATION >
[DISPLAY AUDIO]
AUDIO UNIT
ECU DIAGNOSIS INFORMATION
AUDIO UNIT
Reference Value
INFOID:0000000009485179
TERMINAL LAYOUT
PHYSICAL VALUES
AWNIA2924ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
Ignition
switch
Operation
2
(BR)
3
(L)
Sound signal front speaker
LH
Output
ON
Sound output
4
(G)
5
(B)
Sound signal rear speaker
LH
Output
ON
Sound output
6
(V)
Ground STRG SW A
Input
ON
Press and hold MODE
switch.
0 V
Press and hold switch.
1.34 V
Press and hold switch.
2.45 V
Press and hold
switch.
3.43 V
Except for above.
5.0 V
7
(G/B)
Ground ACC power supply
Input
ACC
—
Battery voltage
9
(R)
8
(GR)
Illumination control signal
Input
ON
Headlamps ON
Battery voltage
SKIB3609E
SKIB3609E
AV
AUDIO UNIT
AV-67
< ECU DIAGNOSIS INFORMATION >
[DISPLAY AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
11
(LG)
12
(R)
Sound signal front speaker
RH
Output
ON
Sound output
13
(GR)
14
(BG)
Sound signal rear speaker
RH
Output
ON
Sound output
15
(BG)
–
STRG SW ground
Output
–
–
–
16
(LG)
Ground STRG SW B
Input
ON
Press VOL DOWN switch
0 V
Press VOL UP switch.
1.34 V
Press
switch.
2.45 V
Except for above.
5.0 V
18
(SB)
Ground Vehicle speed signal
Input
ON
When vehicle speed is ap-
prox. 40 km/h (25 MPH)
19
(Y)
Ground Battery power supply
Input
OFF
—
Battery voltage
20
(B)
—
GND
—
—
—
—
25
(W)
24
(B)
Telephone audio in
—
—
—
—
28
(R)
—
MCAN2 H
—
—
—
—
29
(G)
—
MCAN2 L
—
—
—
—
30
—
MCAN shield
—
—
—
—
31
(L)
—
MCAN1 H
—
—
—
—
32
(W)
—
MCAN1 L
—
—
—
—
47
(B)
—
EQ3
—
—
—
—
53
(R)
—
V BUS signal
—
—
—
—
54
(B)
—
USB ground
—
—
—
—
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
Ignition
switch
Operation
SKIB3609E
SKIB3609E
JSNIA0012GB
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