Nissan Pathfinder. Manual — part 148
AV
AV CONTROL UNIT
AV-419
< ECU DIAGNOSIS INFORMATION >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
16
(W)
15
(B)
Steering switch signal B
Input
Ignition
switch
ON
Keep pressing
switch.
0 V
Keep pressing
switch.
1.0 V
Keep pressing
switch.
2.0 V
Keep pressing
switch.
3.0 V
Keep pressing DISP
switch.
4.0 V
Except for above.
5.0 V
19
(Y)
Ground
Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
20
(B)
Ground
Ground
—
Ignition
switch
ON
—
0 V
24
(R)
39
(B)
AUX sound signal LH
Input
Ignition
switch
ON
When front AUX mode is
selected.
26
(W)
40
(R)
Sound signal LH
Output
Ignition
switch
ON
When DVD or USB mode is
selected on headrest dis-
play unit LH or RH.
27
(B)
41
(G)
Sound signal RH
Output
Ignition
switch
ON
When DVD or USB mode is
selected on headrest dis-
play unit LH or RH.
37
—
Shield
—
—
—
—
38
(W)
39
(B)
AUX sound signal RH
Input
Ignition
switch
ON
When front AUX mode is
selected.
42
—
Shield
—
—
—
—
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
AV-420
< ECU DIAGNOSIS INFORMATION >
[PREMIUM AUDIO WITH NAVIGATION]
AV CONTROL UNIT
53
(G)
Ground
Parking brake signal
Input
Ignition
switch
ON
Parking brake is applied.
0 V
Parking brake is released.
4.5 V
55
(W)
Ground
Composite image signal
ground
—
Ignition
switch
ON
—
0 V
56
(B)
Ground
Composite image signal
Output
Ignition
switch
ON
At DVD image is displayed.
57
(BG)
—
I-Key memory
—
—
—
—
60
(W)
Ground
Microphone VCC
Output
Ignition
switch
ON
—
5.0 V
61
(W)
Ground
Communication signal
(CONT
→DISP)
Output
Ignition
switch
ON
When adjusting display
brightness.
62
(P)
—
CAN–L
Input/
Output
—
—
—
63
(LG)
—
AV communication signal
(L)
Input/
Output
—
—
—
64
(LG)
—
M CAN–L TRM
—
—
—
—
67
(P)
—
MR output
—
—
—
—
68
(LG)
Ground
Ignition signal
Input
Ignition
switch
ON
—
Battery voltage
69
(R)
Ground
Reverse signal
Input
Ignition
switch
ON
Selector lever is in R posi-
tion.
Battery voltage
Selector lever is in other
than R position.
0 V
70
(GR)
Ground
Vehicle speed signal (8-
pulse)
Input
Ignition
switch
ON
When vehicle speed is ap-
prox. 40 km/h (25 MPH)
NOTE:
The maximum voltage varies de-
pending on the specification
(destination unit).
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
PKIB5039J
JSNIA0012GB
AV
AV CONTROL UNIT
AV-421
< ECU DIAGNOSIS INFORMATION >
[PREMIUM AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
71
—
Shield
—
—
—
—
72
(R)
Ground
Composite image synchro-
nizing signal
Output
Ignition
switch
ON
At DVD image is displayed.
75
(B)
59
Microphone signal
Input
Ignition
switch
ON
Give a voice.
76
—
Shield
—
—
—
—
77
(B)
Ground
Communication signal
(DISP
→CONT)
Input
Ignition
switch
ON
When adjusting display
brightness.
78
(L)
—
CAN–H
Input/
Output
—
—
—
79
(SB)
—
AV communication signal
(H)
Input/
Output
—
—
—
80
(SB)
—
M CAN–H TRM
—
—
—
—
83
(R)
Ground
Camera power supply
Output
Ignition
switch
ON
Selector lever in “R” posi-
tion
6.0 V
84
(W)
Ground
Camera ground
—
Ignition switch ON
0 V
91
(W)
Ground
AUX image signal
Input
Ignition
switch
ON
At front AUX image is dis-
played.
92
(B)
Ground
AUX image signal ground
—
Ignition
switch
ON
—
0 V
94
—
Shield
—
—
—
—
97
(Y)
Ground
Disk eject signal
Input
Ignition
switch
ON
Pressing the eject switch.
0 V
Except for above.
5.0 V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
PKIB5037J
PKIB5039J
SKIB2251J
AV-422
< ECU DIAGNOSIS INFORMATION >
[PREMIUM AUDIO WITH NAVIGATION]
AV CONTROL UNIT
Fail-Safe
INFOID:0000000009174668
When the ambient temperature becomes extremely low or extremely high, AV control unit displays a message
and limits the function of the AV control unit.
FAIL-SAFE CONDITIONS
When the ambient temperature is
−20°C (−4°F) or lower, or when it is 70°C (158°F) or higher.
Display
The following messages are displayed during fail-safe:
98
(V)
Ground
Switch ground
—
Ignition
switch
ON
—
0 V
105
(W)
Ground
Composite image signal
ground
—
Ignition
switch
ON
—
0 V
106
—
Shield
—
—
—
—
107
(B)
Ground
Composite image signal
Output
Ignition
switch
ON
When DVD, USB or front
AUX image is displayed on
headrest display unit LH or
RH.
121
(W)
—
V BUS signal
—
—
—
—
122
(G)
—
USB D+ signal
—
—
—
—
123
(L)
—
USB ground
—
—
—
—
124
(R)
—
USB D
− signal
—
—
—
—
125
—
Shield
—
—
—
—
126
(B)
Ground
Antenna amp. ON signal
Input
Ignition
switch
ON
—
Battery voltage
127
(B)
—
AM-FM main
Input
—
—
—
128
(B)
—
FM sub
Input
—
—
—
129
(B)
Ground
Satellite radio antenna sig-
nal
Input
Ignition
switch
ON
Satellite antenna discon-
nected.
5.0 V
130
(B)
131
GPS antenna signal
Input
Ignition
switch
ON
GPS antenna disconnect-
ed.
5.0 V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
Fail-safe mode
Display
When HDD temperature is low
HDD system is experiencing problems due to extreme low temperature.
Normal operation will resume when temperature rises.
When HDD temperature is high
HDD system is experiencing problems due to extreme high temperature.
Normal operation will resume when temperature drops.
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