ECU INFINITI QX56 2011 Factory Owner's Guide

AV
AV CONTROL UNITAV-59
< ECU DIAGNOSIS INFORMATION >
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U1300
U1240  AV COMM CIRCUIT [U1300]
 SWITCH CONN [U1240]
AV- 1 5 1 , "
Description"
U1300
U1246 AV COMM CIRCUIT [U1300]
 VIDEO DIST CONN [U1246]
U1300
U125B  AV COMM CIRCUIT [U1300]
 AROUND CAMERA CONN [U125B]
U1300
U125C  AV COMM CIRCUIT [U1300]
 SONAR CONN [U125C]
U1300
U1240
U125C U125B  AV COMM CIRCUIT [U1300]
 SWITCH CONN [U1240]
 SONAR CONN [U125C]
 AROUND CAMERA CONN [U125B]
U1300
U1240
U125C U125B
U1246  AV COMM CIRCUIT [U1300]
 SWITCH CONN [U1240]
 SONAR CONN [U125C]
 AROUND CAMERA CONN [U125B]
 VIDEO DIST CONN [U1246]
DTC Display item Refer to
Revision: 2010 May2011 QX56

AV-60
< ECU DIAGNOSIS INFORMATION >
FRONT DISPLAY UNIT
FRONT DISPLAY UNIT
Reference ValueINFOID:0000000006216228
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA2241ZZ
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
6—Shield —— — —
7—Shield —— — —
8
(W) Ground Camera image signal Input Ignition
switch ON At camera image is dis-
played.
9
(Y/L) Ground Communication signal
(DISP
→CONT) OutputIgnition
switch ON When adjusting display
brightness.
10
(Y/G) Ground Communication signal
(CONT
→DISP) InputIgnition
switch ON When adjusting display
brightness.
11
(Y/R) Ground Battery power supply Input Ignition
switch
OFF — Battery voltage
12
(B) Ground Ground — Ignition
switch ON —0 V
SKIB2251J
PKIB5039J
PKIB5039J
Revision: 2010 May2011 QX56

AV
FRONT DISPLAY UNITAV-61
< ECU DIAGNOSIS INFORMATION >
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(R) Ground Composite image signal Input Ignition
switch ON At DVD image is displayed.
19
(W) Ground Composite image signal
ground —Ignition
switch ON —0 V
20
(W/B) Ground Composite image synchro-
nizing signal InputIgnition
switch ON —
22 — Shield — — — —
23
(V) Ground ACC power supply Input Ignition
switch ACC — Battery voltage
27 — RGB digital image signal
(
− ) Input — — —
28 — RGB digital image signal
(+)
Input — — —
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB2251J
SKIB0825E
Revision: 2010 May2011 QX56

AV-62
< ECU DIAGNOSIS INFORMATION >
HEADREST DISPLAY UNIT
HEADREST DISPLAY UNIT
Reference ValueINFOID:0000000006216229
TERMINAL LAYOUT
PHYSICAL VALUES
JPNIA0007ZZ
Terminal
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
1
(L) Ground Ground — Ignition
switch ON —0 V
2
(V) Ground Battery power supply Input Ignition
switch
OFF — Battery voltage
3
(GR) Ground Ground — Ignition
switch ON —0 V
4
(L/R) Ground Battery power supply Input Ignition
switch OFF — Battery voltage
9
(B/R) Ground
Location recognition signal
for headrest display unit RH InputIgnition
switch
ON —0 V
10
(L/B) Ground Location recognition signal
for headrest display unit LH
InputIgnition
switch ON —0 V
11
(B) —AV communication signal
(H) Input/
Output —— —
12
(G) —AV communication signal
(H) Input/
Output —— —
13
(R) —
AV communication signal
(L) Input/
Output —— —
14
(W) —AV communication signal
(L) Input/
Output —— —
15 — Shield — — — —
18
(W/R) Ground ACC signal Input Ignition
switch OFF — 3.3 V
Ignition switch
ACC —0 V
Revision: 2010 May2011 QX56

AV
HEADREST DISPLAY UNITAV-63
< ECU DIAGNOSIS INFORMATION >
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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 >
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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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(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