ignition INFINITI QX56 2009 Factory Service Manual

AV-112
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
28
(W/L) Ground Horizontal synchronizing
(HP) signal InputIgnition
switch ON —
29
(O/L) Ground Vertical synchronizing (VP)
signal
InputIgnition
switch On —
30
(V) Ground Communication signal
(CONT
→DISP) OutputIgnition
switch ON When adjusting display-
brightness
31
(LG) Ground
Communication signal
(DISP→CONT) InputIgnition
switch
ON When adjusting display-
brightness
32 — Shield — —— —
39
(W) 55
(B) DVD audio signal LH Input Ignition
switch ON When DVD player is oper-
ating
40
(R) 56
(G) DVD audio signal RH Input Ignition
switch
ON When DVD player is oper-
ating
45
(SB) Ground CD/DVD eject signal Input — Pressing the eject switch
0V
Except for above 3.3V
46 — Shield — —— —
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB3601E
SKIB3598E
PKIB5039J
PKIB5039J
SKIB3609E
SKIB3609E
Revision: December 20092009 QX56

AV
AV CONTROL UNITAV-113
< ECU DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P47
(W) 48
(R) AUX jack audio signal LH Input Ignition
switch ON When AUX mode is select-
ed
58
(O/L) 42
(W) Headphone LH audio sig-
nal
OutputIgnition
switch ON When DVD player is oper-
ating
59
(W/L) 43
(O) Headphone RH audio sig-
nal
OutputIgnition
switch ON When DVD player is oper-
ating
60 — Shield — —— —
62
(B) Ground A/C and AV switch assem-
bly ground —Ignition
switch ON —0
V
63
(B) 48
(R) AUX jack audio signal RH Input Ignition
switch ON When AUX mode is select-
ed
66
(Y) Ground Battery power supply Input Ignition
switch OFF —
Battery voltage
68
(Y) Ground Battery power supply Input Ignition
switch OFF —
Battery voltage
69
(V) Ground ACC power supply
InputIgnition
switch
ACC —
Battery voltage
70
(W) Ground MIC power
OutputIgnition
switch ON —5
V
72
(B) 71 MIC signal
InputIgnition
switch
ON ——
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
Revision: December 20092009 QX56

AV-114
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AV CONTROL UNIT
79
(G/R) Ground IGN ON or START power
supply InputIgnition
switch ON or
START —
Battery voltage
80
(G) Ground Parking brake signal Input Ignition
switch ON Parking brake ON
0V
Parking brake OFF Battery voltage
81
(G/W) Ground Reverse signal
InputIgnition
switch ON R position
Battery voltage
Other than R position 0V
82
(W/R) Ground Vehicle speed signal (8-
pulse) InputIgnition
switch ON When vehicle speed is ap-
prox. 40 km/h (25MPH)
84
(BR) —
Rear view camera control
signal Input —
— —
92
(L/W) —AV communication signal 2
(H) Input/
Output ——
—
93
(B/P) —AV communication signal 2
(L) Input/
Output ——
—
94
(W/L) —
AV communication signal 1
(H) Input/
Output ——
—
95
(P/B) —
AV communication signal 1
(L) Input/
Output ——
—
96
(L) —CAN–H Input/
Output ——
—
97
(P) —CAN–L Input/
Output ——
—
121 Ground Antenna amp. ON signal Output Ignition
switch ACC —
Battery voltage
122 — Amplified window antenna
signal
Input —
— —
123 — GPS antenna signal — —— —
124 — Shield — —— —
125 — Satellite antenna signal Input Ignition
switch AC C ——
T

erminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIA6649J
Revision: December 20092009 QX56

AV
DISPLAY UNITAV-145
< ECU DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
DISPLAY UNIT
Reference ValueINFOID:0000000003776894
TERMINAL LAYOUT
PHYSICAL VALUES
ALNIA0666GB
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
1
(B) Ground Ground
—Ignition
switch ON —0
V
2
(Y) Ground Battery power supply Input Ignition
switch
OFF —1
2V
3
(V) Ground ACC power supply
InputIgnition
switch ACC —1
2V
4—Shield —— — —
5
(L) Ground DVD player image ground — Ignition
switch ON —0
V
6
(B) Ground RGB signal (G: green) Input Ignition
switch ON Start confirmation/adjust-
ment mode, and then dis-
play color bar by
selecting“Color Spectrum
Bar” on DISPLAY DIAGNO-
SIS screen.
7—Shield —— — —
8
(W/L) Ground
Horizontal synchronizing
(HP) signal OutputIgnition
switch
ON —
SKIB2236J
SKIB3601E
Revision: December 20092009 QX56

AV-146
< ECU DIAGNOSIS >[AUDIO SYSTEM]
DISPLAY UNIT
9
(O) Ground RGB area (YS) signal Input Ignition
switch ON RGB image displayed
5V
Rear view camera image
displayed
11
(V) Ground Communication signal
(CONT
→DISP) InputIgnition
switch ON When adjusting display-
brightness
12
(W) 14
(B) Rear view camera image
signal
InputIgnition
switch ON Rear view camera image
displayed
13
(B) Ground Inverter ground
—Ignition
switch ON —0
V
14
(B) Ground Signal ground
—Ignition
switch
ON —0
V
15
(B/W) Ground DVD player image signal Input Ignition
switch
ON When DVD mode is select-
ed
17
(W) Ground RGB signal (R: red)
InputIgnition
switch ON Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
PKIB4948J
PKIB5039J
SKIB2251J
SKIB2251J
SKIB2238J
Revision: December 20092009 QX56

AV
DISPLAY UNITAV-147
< ECU DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P18
(R) Ground RGB signal (B: blue) Input Ignition
switch ON Start confirmation/adjust-
ment mode, and then dis-
play color bar by
selecting“Color Spectrum
Bar” on DISPLAY DIAGNO-
SIS screen.
19
(W) Ground RGB synchronizing signal Input Ignition
switch ON —
20
(O/L) Ground Vertical synchronizing (VP)
signal OutputIgnition
switch On —
21 Ground RGB synchronizing ground — — —0V
22
(LG) Ground
Communication signal
(DISP
→CONT) OutputIgnition
switch
ON When adjusting display-
brightness
23 — Shield — —— —
24 — Shield — —— —
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB2237J
SKIB3603E
SKIB3598E
PKIB5039J
Revision: December 20092009 QX56

AV-148
< ECU DIAGNOSIS >[AUDIO SYSTEM]
BOSE SPEAKER AMP
BOSE SPEAKER AMP
Reference ValueINFOID:0000000003776895
TERMINAL LAYOUT
PHYSICAL VALUES
ALNIA0668GB
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
1
(SB) 10
(B/Y) Audio signal rear door
speaker and tweeter LH
OutputIgnition
switch ON Audio output
2
(O/L) 3
(R/L) Audio signal rear door
speaker and tweeter RH
OutputIgnition
switch ON Audio output
4
(L/W) 5
(L/R) Audio signal front door
speaker and tweeter LH
OutputIgnition
switch
ON Audio output
6
(G) 7
(R) Audio signal back door
speaker LH
OutputIgnition
switch ON Audio output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
Revision: December 20092009 QX56

AV
BOSE SPEAKER AMPAV-149
< ECU DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P8
(W/B) 13
(L/B) Audio signal front door
speaker and tweeter RH
OutputIgnition
switch ON Audio output
9
(W) 14
(B) Audio signal subwoofer Output Ignition
switch ON Audio output
11
(Y) Ground Battery power supply Input Ignition
switch
OFF — Battery voltage
12
(B) Ground Ground
—Ignition
switch ON —0
V
15
(V) 28
(R) Audio signal center speak-
er
OutputIgnition
switch ON Audio output
18
(LG) 32
(V) Audio signal front LH Input Ignition
switch
ON Audio input
19
(BR) 20
(B/R) Audio signal front RH Input Ignition
switch ON Audio input
21
(L) 22
(B/W) Audio signal rear LH Input Ignition
switch ON Audio input
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
Revision: December 20092009 QX56

AV-150
< ECU DIAGNOSIS >[AUDIO SYSTEM]
BOSE SPEAKER AMP
23
(W) 33
(B) Audio signal rear RH Input Ignition
switch ON Audio input
25
(W/G) Ground Subwoofer amp. ON signal Output Ignition
switch ACC —
Battery voltage
31
(GR/L) Ground Amp. ON signal
InputIgnition
switch
ACC —
Battery voltage
37
(W/R) 27
(L) Audio signal back door
speaker RH
InputIgnition
switch
ON Audio input
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB3609E
SKIB3609E
Revision: December 20092009 QX56

AV
REAR VIEW CAMERA CONTROL UNITAV-151
< ECU DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
REAR VIEW CAMERA CONTROL UNIT
Reference ValueINFOID:0000000003776896
TERMINAL LAYOUT
PHYSICAL VALUES
WKIA5224E
Te r m i n a l
(wire color) Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
1
(Y) Ground Battery power
InputIgnition
switch
OFF —
Battery voltage
2
(V) Ground ACC power
InputIgnition
switch ACC —
Battery voltage
3
(B) Ground Ground
—Ignition
switch
ON —0
V
4
(G/W) Ground Reverse signal input
InputIgnition
switch ON A/T selector lever R
position
Battery voltage
A/T selector lever in
other than R position 0V
5
(BR) Ground AV Control
OutputIgnition
switch ON —0
V
6
(G/W) Ground DDL
Output ———
8
(Y) Ground Camera power output Output Ignition
switch ON A/T selector lever R
position
6V
9 Ground Camera image input (–) Input Ignition
switch
ON —0
V
10
(G) Ground Camera image input (+) Input Ignition
switch
ON A/T selector lever R
position
SKIA4894E
Revision: December 20092009 QX56