headrest INFINITI QX56 2011 Factory User Guide

AV
DIAGNOSIS SYSTEM (HEADREST DISPLAY UNIT)AV-49
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (HEA DREST DISPLAY UNIT)
DescriptionINFOID:0000000006216223
Self-diagnosis of headrest display unit can be perform ed by operating rear seat remote controller.
On Board Diagnosis FunctionINFOID:0000000006216224
Self-diagnosis mode can check the following items.
METHOD OF STARTING
1. Turn ignition switch to the ON position.
2. Turn the headrest display unit OFF.
3. Press each switch of rear seat remote controller in the order shown below.
“AUX(L)” →“VOL DOWN” →“DISP(R)” →“VOL UP” →“DVD” →“L”
NOTE:
 Operation must be done within 20 seconds.
 Perform the operation of rear seat remote controller for head- rest display unit of each side.
4. When the rear seat remote operation is performed as shown on procedure 3, self-diagnosis screen is displayed.
Diagnosis item Display Description
Display Location Left/Right/Un-
known Installation location of headrest display unit is displayed.
NOTE:
If displayed location is different from the actual location or shown as “unknown”,
check location recognition signal circuit.
Software Ver. ***** Software version of headrest display unit is displayed.
Hardware Ver. ***** Hardware version of headrest display unit is displayed.
Seat Position OK Not used for this vehicle.
JSNIA3003ZZ
JSNIA3005ZZ
Revision: 2010 May2011 QX56

AV-50
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (HEADREST DISPLAY UNIT)
Finishing Self-diagnosis Mode
Self-diagnosis mode is canceled when pressing the enter switch of
rear seat remote controller.
JSNIA3004ZZ
Revision: 2010 May2011 QX56

AV
AV CONTROL UNITAV-53
< ECU DIAGNOSIS INFORMATION >
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(Y/L) 15
(B) Steering switch signal B Input Ignition
switch
ON Keep pressing VOL DOWN
switch.
0 V
Keep pressing VOL UP
switch. 1.0 V
Keep pressing switch. 2.0 V
Keep pressing switch. 3.0 V
Except for above. 5.0 V
19
(Y/R) Ground Battery power supply Input Ignition
switch
OFF — Battery voltage
20
(B) Ground Ground — Ignition
switch ON —0 V
26
(LG) Ground AUX image signal Input Ignition
switch ON At front AUX image is dis-
played.
29
(W/B) Ground Disk eject signal Input Ignition
switch
ON Pressing the eject switch. 0 V
Except for above. 5.0 V
30
(R/W) Ground Mode change signal Output Ignition
switch ON Driver's Audio Stage ON 0 V
Driver's Audio Stage OFF 8.5 V
33
(L) Ground
Composite image signal
ground —Ignition
switch ON —0 V
34
(P) Ground Composite image signal Output Ignition
switch ON When DVD, USB or front
AUX image is displayed on
headrest display unit LH or
RH.
46
(V) Ground AUX image signal ground — Ignition
switch ON —0 V
47 — Shield — — — —
49
(R/W) Ground Switch ground — Ignition
switch
ON —0 V
53 — Shield — — — —
65
(W) Ground Parking brake signal Input Ignition
switch ON Parking brake is applied. 0 V
Parking brake is released. 4.5 V
67
(W) Ground Composite image signal
ground —Ignition
switch ON —0 V
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB2251J
SKIB2251J
Revision: 2010 May2011 QX56

AV-56
< ECU DIAGNOSIS INFORMATION >
AV CONTROL UNIT
106(W) 120
(R) Sound signal LH Output Ignition
switch ON When DVD or USB mode is
selected on headrest dis-
play unit LH or RH.
107 (B) 121
(G) Sound signal RH Output Ignition
switch ON When DVD or USB mode is
selected on headrest dis-
play unit LH or RH.
11 7 — S h i e l d — — — —
11 8 (O) 11 9
(W/L) AUX sound signal RH Input Ignition
switch ON When front AUX mode is
selected.
122 — Shield — — — —
129 (G) — USB ground — — — —
130 (R) — USB D
− signal — — — —
131 (W) — V BUS signal — — — —
132 (L) — USB D+ signal — — — —
133 — Shield — — — —
150 — FM sub Input — — —
151 — AM-FM main Input — — —
152 Ground Antenna amp. ON signal Input Ignition
switch ON —12.0 V
153 Ground GPS antenna signal Input Ignition
switch ON Not connected GPS anten-
na connector.
5.0 V
154 — Shield — — — —
157 Ground RGB digital image signal
(
− ) OutputIgnition
switch
ON Not connected connector. 1.3 V
Te r m i n a l
(Wire color) Description
ConditionReference value
(Approx.)
+ – Signal name Input/
Output
SKIB3609E
SKIB3609E
SKIB3609E
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 >
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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