2011 INFINITI QX56 ignition

BCS-42
< ECU DIAGNOSIS INFORMATION >
BCM
20
(G/R) Ground Remote keyless en-
try receiver commu-
nication
InputWaiting
Signal receiving
21
(P) Ground NATS antenna amp. Input/
Output During waiting Ignition switch is pressed
while inserting the key into
the key slot. Just after pressing ignition
switch. Pointer of tester should move.
22
(W/B) Ground Remote keyless en-
try receiver RSSI
InputWaiting 0 V
Signal receiving
23
(GR/R) GroundSecurity indicator
lamp
OutputSecurity indica-
tor lamp ON 0 V
Blinking (Ignition switch
OFF)
11.0 - 12.0 V
OFF Battery voltage
24*
(SB) Ground Dongle link
Input/
Output Ignition switch OFF 5 V
25
(LG/R) Ground NATS antenna amp.
Input/
Output During waiting Ignition switch is pressed
while inserting the key into
the key slot. Just after pressing ignition
switch. Pointer of tester should
move.
29
(W) Ground Hazard switch Input Hazard switch OFF 12 V
ON 0 V
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −JMKIA3838GB
JMKIA3841GB
JMKIA3838GB
JPMIA0590GB
Revision: 2010 May2011 QX56

BCS-46
< ECU DIAGNOSIS INFORMATION >
BCM
44
(G/W) Ground Rear wiper stop po-
sition
InputIgnition switch
ON Rear wiper stop position 12 V
Any position other than
rear wiper stop position
0 V
45
(W) Ground Passenger door
switch
InputPassenger door
switch OFF (When passenger
door closed)
7.0 - 8.0 V
ON (When passenger
door opened) 0 V
46
(GR) Ground Rear RH door switch Input Rear RH door
switchOFF (When rear RH door
closed)
7.0 - 8.0 V
ON (When rear RH door
opened) 0 V
47
(GR/R) Ground Driver door switch Input
Driver door
switchOFF (When driver door
closed)
7.0 - 8.0 V
ON (When driver door
opened) 0 V
48
(O) Ground Rear LH door switch Input
Rear LH door
switchOFF (When rear LH door
closed)
7.0 - 8.0 V
ON (When rear door LH
opened) 0 V
49
(BR/Y) Ground Luggage room lamp Output
Luggage room
lampOFF 12 V
ON 0 V
51
(W/R) Ground
Back door request
switch Input
Back door re-
quest switch ON (Pressed) 0 V
OFF (Not pressed) 12 V
54
(L) Ground Rear wiper Output Rear wiper OFF (Stopped) 0 V
ON (Activated) 12 V
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
PKIB4960J
PKIB4960J
PKIB4960J
PKIB4960J
Revision: 2010 May2011 QX56

BCS
BCM
BCS-47
< ECU DIAGNOSIS INFORMATION >
C
D E
F
G H
I
J
K L
B A
O P
N
55
(G) Ground Rear door UNLOCK Output Rear door UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
56
(W/R) Ground Interior room lamp
power supply OutputInterior room lamp battery saver is activated.
(Cuts the interior room
lamp power supply) 0 V
Interior room lamp battery saver is not acti-
vated.
(Outputs the interior room lamp power sup-
ply) 12 V
57
(LG) Ground Battery power sup-
ply
Input Ignition switch OFF Battery voltage
59
(G) Ground Passenger door UN-
LOCK
Output Passenger door UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
60
(G) Ground Turn signal LH Output Ignition switch
ONTurn signal switch OFF 0 V
Turn signal switch LH
6.0 - 7.0 V
61
(G/Y) Ground Turn signal RH Output Ignition switch
ONTurn signal switch OFF 0 V
Turn signal switch RH
6.0 - 7.0 V
62
(R) Ground Step lamp Output Step lamp ON 0 V
OFF 12 V
63
(BR) Ground Interior room lamp
timer control
OutputInterior room
lamp OFF 12 V
ON 0 V
64
(GR/R) Ground Cranking request input
Ignition switch
ONEngine stopped (Selector
lever is in P position)
0 V
Engine stopped (Selector
lever is not in P position) 12 V
Engine running 12 V
65
(R) Ground All doors, fuel lid
LOCK
Output All doors, fuel lid LOCK (Actuator is activat-
ed)
12 V
Other then LOCK (Actua-
tor is not activated) 0 V
Terminal No.
(Wire color) Description
Condition
Va l u e
(Approx.)
Signal name Input/
Output
+ −
PKIC6370E
PKIC6370E
Revision: 2010 May2011 QX56

BCS-48
< ECU DIAGNOSIS INFORMATION >
BCM
66
(V) Ground Driver door, fuel lid
UNLOCK OutputDriver door, fuel
lid UNLOCK (Actuator is acti-
vated)
12 V
Other then UNLOCK (Ac-
tuator is not activated) 0 V
67
(B) Ground Ground Output Ignition switch ON 0 V
68
(Y) Ground P/W power supply
(IGN)
Output Ignition switch ON 12 V
69
(W) Ground
P/W power supply
(BAT) Output Ignition switch OFF 12 V
70
(Y) Ground Battery power sup-
ply Input Ignition switch OFF Battery voltage
72
(P) Ground Puddle lamp control Output Puddle lamp OFF 12 V
ON 0 V
73
(W) Ground ON indicator lamp Output Ignition switch OFF (LOCK indicator is
not illuminated)
Battery voltage
ON 0 V
74
(Y/B) Ground Trailer turn signal
RH control
OutputIgnition switch
ON Turn signal switch OFF Battery voltage
Turn signal switch RH
6.0 - 7.0 V
75
(LG/R) Ground
Driver door request
switch Input
Driver door re-
quest switch ON (Pressed) 0 V
OFF (Not pressed) 12 V
76
(P/L) Ground
Passenger door re-
quest switch Input
Passenger door
request switch ON (Pressed) 0 V
OFF (Not pressed) 12 V
77
(O/L) Ground Trailer turn signal LH
control
OutputIgnition switch
ON Turn signal switch OFF Battery voltage
Turn signal switch LH
6.0 - 7.0 V
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
PKIC6370E
PKIC6370E
Revision: 2010 May2011 QX56

BCS
BCM
BCS-49
< ECU DIAGNOSIS INFORMATION >
C
D E
F
G H
I
J
K L
B A
O P
N
78
(P/B) Ground
Driver door antenna
(+) OutputWhen the driver
door request
switch is operat-
ed with ignition
switch OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
79
(V) Ground Driver door antenna
(-)
OutputWhen the driver
door request
switch is operat-
ed with ignition
switch OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
80
(LG/B) Ground Passenger door an-
tenna (+) OutputWhen the pas-
senger door re-
quest switch is
operated with
ignition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
Terminal No.
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
Revision: 2010 May2011 QX56

BCS-50
< ECU DIAGNOSIS INFORMATION >
BCM
81
(Y/R) Ground
Passenger door an-
tenna (-) OutputWhen the pas-
senger door re-
quest switch is
operated with
ignition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
82
(W/G) Ground Back door antenna
(+)
OutputWhen the back
door request
switch is operat-
ed with ignition
switch OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
83
(B/W) Ground Back door antenna (-
) OutputWhen the back
door request
switch is operat-
ed with ignition
switch OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
Revision: 2010 May2011 QX56

BCS
BCM
BCS-51
< ECU DIAGNOSIS INFORMATION >
C
D E
F
G H
I
J
K L
B A
O P
N
84
(BR) Ground
Room antenna 1 (+)
(Instrument center) Output
Ignition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
85
(Y) Ground Room antenna 1 (-)
(Instrument center)
OutputIgnition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
86
(W) Ground Room antenna 2 (+)
(Console) OutputIgnition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
Terminal No.
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
Revision: 2010 May2011 QX56

BCS-52
< ECU DIAGNOSIS INFORMATION >
BCM
87
(B) Ground
Room antenna 2 (
−)
(Console) Output
Ignition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
88
(V) Ground Luggage room an-
tenna (+)
OutputIgnition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
89
(G) Ground Luggage room an-
tenna (-) OutputIgnition switch
OFF When Intelligent Key is
not in the antenna detec-
tion area
When Intelligent Key is in
the antenna detection
area
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
Signal name Input/
Output
+ −
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
JMKIA3838GB
JMKIA3839GB
Revision: 2010 May2011 QX56