INFINITI QX56 2011 Factory Service Manual

AV
HEADREST DISPLAY UNITAV-63
< ECU DIAGNOSIS INFORMATION >
C
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G H
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19
(L/Y) Ground Cont. ground — Ignition
switch ON —0 V
20
(W/L) Ground Image switch signal Output Ignition
switch ON When DVD, USB or front
AUX image is displayed on
headrest display unit.
0.5 V
When rear AUX image is
displayed on headrest dis-
play unit. 4.5 V
23
(R/L) Ground Composite image signal
ground
—Ignition
switch ON —0 V
24
(Y) Ground Composite image signal Input Ignition
switch ON When DVD, USB or front
AUX image is displayed on
headrest display unit.
25 — Shield — — — —
27
(R/W) Ground AV ground — Ignition
switch
ON —0 V
28 — Shield — — — —
30
(P) 29
(BR) Headphone sound signal
RH
InputIgnition
switch
ON Headphone sound output.
32
(SB) 31
(LG) Headphone sound signal
LH
InputIgnition
switch ON Headphone sound output.
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB2251J
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV-64
< ECU DIAGNOSIS INFORMATION >
VIDEO DISTRIBUTOR
VIDEO DISTRIBUTOR
Reference ValueINFOID:0000000006216230
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA3024ZZ
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
1
(B) —Ground — Ignition
switch
ON —0 V
2
(Y/R) Ground Battery power supply Input Ignition
switch OFF — Battery voltage
3
(B) —Ground — Ignition
switch
ON —0 V
4
(V) Ground ACC power supply Input Ignition
switch ACC — Battery voltage
5
(V/W) Ground Cont. ground for headrest
display unit RH —Ignition
switch ON —0 V
6
(L/W) Ground ACC signal for headrest
display unit RH OutputIgnition
switch
OFF — 3.3 V
Ignition switch ACC —0 V
7
(W/R) Ground Cont. ground for headrest
display unit LH —Ignition
switch ON —0 V
8
(GR/R) GroundACC signal for headrest
display unit LH OutputIgnition
switch
OFF — 3.3 V
Ignition switch ACC —0 V
9
(O/B) Ground Image switch signal for
headrest display unit RH
InputIgnition
switch ON When DVD, USB or front
AUX image is displayed on
headrest display unit RH.
0.5 V
When rear AUX image is
displayed on headrest dis-
play unit RH. 4.5 V
Revision: 2010 May2011 QX56

AV
VIDEO DISTRIBUTORAV-65
< ECU DIAGNOSIS INFORMATION >
C
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M B A
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10
(R/B) Ground
Image switch signal for
headrest display unit LH InputIgnition
switch
ON When DVD, USB or front
AUX image is displayed on
headrest display unit LH.
0.5 V
When rear AUX image is
displayed on headrest dis-
play unit LH. 4.5 V
14
(B) 15
(G) Headphone sound signal
RH for headrest display unit
RH
OutputIgnition
switch ON Output headphone sound
from headrest display unit
RH to headphone.
16
(W) 17
(R) Headphone sound signal
LH for headrest display unit
RH
Output
Ignition
switch
ON Output headphone sound
from headrest display unit
RH to headphone.
18
(P/L) Ground
AV ground for headrest dis-
play unit RH —Ignition
switch
ON —0 V
19
(P) Ground AV ground for headrest dis-
play unit LH
—Ignition
switch ON —0 V
20
(B) 21
(G) Headphone sound signal
RH for headrest display unit
LH
Output
Ignition
switch
ON Output headphone sound
from headrest display unit
LH to headphone.
22
(W) 23
(R) Headphone sound signal
LH for headrest display unit
LH
OutputIgnition
switch ON Output headphone sound
from headrest display unit
LH to headphone.
27
(W) Ground Composite image signal
ground for headrest display
unit RH
—Ignition
switch ON —0 V
28
(R)
Ground Composite image signal for
headrest display unit RH
OutputIgnition
switch ON When DVD, USB, front
AUX or rear AUX image is
displayed on headrest dis-
play unit RH.
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB2251J
Revision: 2010 May2011 QX56

AV-66
< ECU DIAGNOSIS INFORMATION >
VIDEO DISTRIBUTOR
29 — Shield — — — —
30 — Shield — — — —
31
(Y/L) Ground Composite image signal
ground for headrest display
unit LH
—Ignition
switch ON —0 V
32
(Y/G) Ground Composite image signal for
headrest display unit LH
OutputIgnition
switch ON When DVD, USB, front
AUX or rear AUX image is
displayed on headrest dis-
play unit LH.
33
(L) Ground
Composite image signal
ground —Ignition
switch
ON —0 V
34
(P) Ground Composite image signal Input Ignition
switch
ON When DVD, USB or front
AUX image is displayed on
headrest display unit LH or
RH.
35 — Shield — — — —
40
(LG) 39
(V) AUX image signal Input Ignition
switch ON When rear AUX image is
displayed on headrest dis-
play unit LH or RH.
41 — Shield — — — —
45
(W) 46
(R) Sound signal LH Input Ignition
switch
ON When DVD, USB or front
AUX mode is selected on
headrest display unit LH or
RH.
47
(B) 48
(G) Sound signal RH Input Ignition
switch ON When DVD, USB or front
AUX mode is selected on
headrest display unit LH or
RH.
49 — Shield — — — —
53 — Shield — — — — Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB2251J
SKIB2251J
SKIB2251J
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV
VIDEO DISTRIBUTORAV-67
< ECU DIAGNOSIS INFORMATION >
C
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G H
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M B A
O P54
(B) 56
(R) AUX sound signal LH Input Ignition
switch ON When rear AUX mode is
selected on headrest dis-
play unit LH or RH.
55
(W) 56
(R) AUX sound signal RH Input Ignition
switch ON When rear AUX mode is
selected on headrest dis-
play unit LH or RH.
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV-68
< ECU DIAGNOSIS INFORMATION >
BOSE AMP.
BOSE AMP.
Reference ValueINFOID:0000000006216231
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA0760ZZ
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
1
(R/B) 2
(W/B) Sound signal squawker LH Output Ignition
switch ON Sound output
4
(L) 3
(O) Sound signal squawker RH Output Ignition
switch
ON Sound output
10
(R) Ground Battery power supply Input Ignition
switch
OFF — Battery voltage
11
(W/B) Ground Battery power supply Input Ignition
switch OFF — Battery voltage
12
(B) —Ground — Ignition
switch ON —0 V
13
(W) 8
(R) Sound signal woofer Output Ignition
switch ON Sound output
SKIB3609E
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV
BOSE AMP.AV-69
< ECU DIAGNOSIS INFORMATION >
C
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G H
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(V) 9
(L) Sound signal rear door
speaker RH
OutputIgnition
switch ON Sound output
16
(R) 17
(W) Sound signal roof speaker
LH and RH
OutputIgnition
switch ON Sound output
18
(V) 19
(Y) Sound signal front door
speaker LH
OutputIgnition
switch ON Sound output
20
(W/B) Ground BOSE amp. ON signal Input Ignition
switch ON — 12.0 V
24
(V) 23
(LG) Sound signal rear LH Input Ignition
switch ON Sound output
26
(O) 25
(W) Sound signal rear RH Input Ignition
switch
ON Sound output
28
(L) 15
(R/Y) Sound signal rear door
speaker LH
OutputIgnition
switch ON Sound output
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV-70
< ECU DIAGNOSIS INFORMATION >
BOSE AMP.
29
(GR/R) 30
(G/R) Sound signal center speak-
er
OutputIgnition
switch ON Sound output
31
(L/W) 32
(L) Sound signal front door
speaker RH
OutputIgnition
switch ON Sound output
33
(Y/L) 34
(Y/G) Sound signal front RH Input Ignition
switch ON Sound output
35
(L) 36
(P) Sound signal front LH Input Ignition
switch
ON Sound output
37
(R/W) Ground Mode change signal Input Ignition
switch
ON Driver's Audio Stage ON 0 V
Driver's Audio Stage OFF 8.5 V
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E
Revision: 2010 May2011 QX56

AV
AROUND VIEW MONITOR CONTROL UNITAV-71
< ECU DIAGNOSIS INFORMATION >
C
DE
F
G H
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K L
M B A
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AROUND VIEW MONITOR CONTROL UNIT
Reference ValueINFOID:0000000006216232
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA0833ZZ
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
1
(B) Ground Ground — Ignition
switch
ON —0 V
2
(Y/G) Ground Battery power supply Input Ignition
switch OFF — Battery voltage
3
(GR/L) Ground Ignition signal Input Ignition
switch
ON — Battery voltage
4
(V) Ground ACC power supply Input Ignition
switch ACC — Battery voltage
5
(L/W) Ground Illumination signal Input Ignition
switch OFF Lighting switch is OFF. 0 V
Lighting switch is ON. 12.0 V
6
(BR/ W) Ground
Vehicle speed signal
(8-pulse) InputIgnition
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).
7
(P) Ground Reverse signal Input Ignition
switch ON R position 12.0 V
Other than R position 0 V
9
(B/O) Ground Control signal — Ignition
switch ON —0 V
13
(B/O) Ground Control signal — Ignition
switch
ON —0 V
JSNIA0012GB
Revision: 2010 May2011 QX56

AV-72
< ECU DIAGNOSIS INFORMATION >
AROUND VIEW MONITOR CONTROL UNIT
17
(SB) — AV communication signal (H)
Input/
Output —— —
18
(LG) — AV communication signal (L) Input/
Output —— —
23
(LG) Ground Auxiliary infrared LED power
supply OutputIgnition
switch ON “CAMERA” switch is ON or
shift position is “R”.
5.5 V
27
(W) Ground Camera image signal Output Ignition
switch ON At camera image display
28 — Shield — — — —
29
(Y) 30
(G) Side camera passenger side
image signal
InputIgnition
switch
ON “CAMERA” switch is ON or
shift position is “R”.
31 — Shield — — — —
32
(B) Ground
Side camera passenger side
ground —Ignition
switch
ON —0 V
33
(W) Ground Side camera passenger side
communication signal Input/
Output Ignition
switch ON “CAMERA” switch is ON or
shift position is “R”.
34
(R) Ground Side camera passenger side
power supply OutputIgnition
switch ON “CAMERA” switch is ON or
shift position is “R”.
6.0 V
35
(Y) Ground Rear camera communication
signal Input/
Output Ignition
switch ON “CAMERA” switch is ON or
shift position is “R”.
36
(R) Ground Rear camera power supply Output Ignition
switch ON “CAMERA” switch is ON or
shift position is “R”.
6.0 V
37 — Shield — — — —
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB2251J
JSNIA0834GB
JSNIA0836GB
JSNIA0836GB
Revision: 2010 May2011 QX56