Infiniti QX56 (Z62). Manual - part 109

 

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Infiniti QX56 (Z62). Manual - part 109

 

 

BCS-50

< ECU DIAGNOSIS INFORMATION >

BCM

81

(Y/R)

Ground

Passenger door an-
tenna (-)

Output

When 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 
(+)

Output

When 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 (-
)

Output

When 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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

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)

Output

Ignition 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)

Output

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

Value

(Approx.)

Signal name

Input/ 

Output

+

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

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 (+)

Output

Ignition 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 (-)

Output

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

Value

(Approx.)

Signal name

Input/ 

Output

+

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

JMKIA3838GB

JMKIA3839GB

BCS

BCM

BCS-53

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

90

(Y)

Ground

Push-button ignition 
switch illumination

Output

Push-button ig-
nition switch illu-
mination

ON

12 V

OFF

0 V

91

(O)

Ground

LOCK indicator lamp

Output

LOCK indicator 
lamp

OFF (Ignition switch OFF)

Battery voltage

ON

0 V

92

(L)

Ground

Push-button ignition 
switch illumination 
ground

Output

Tail lamp

OFF

0 V

ON

NOTE:

When the illumination brighten-

ing/dimming level is in the neutral 

position

6.0 - 7.0 V

93

(GR/R)

Ground

Intelligent Key warn-
ing buzzer

Output

Intelligent Key 
warning buzzer

Sounding

0 V

Not sounding

12 V

94

(Y/G)

Ground

Steering lock unit 
communication

Input/

Output

Steering lock

LOCK status

12 V

LOCK or UNLOCK

For 15 seconds after UN-
LOCK

12 V

15 seconds or later after 
UNLOCK

0 V

95

(W)

Ground

Steering lock unit 
power supply

Output

Ignition switch

OFF or ACC

12 V

ON

0 V

96

(BR)

Ground

ACC relay control

Output

Ignition switch

OFF

0 V

ACC or ON

12 V

97

(R/W)

Ground

Starter relay control

Output

Ignition switch 
ON

When selector lever is in 
P or N position

12 V

When selector lever is not 
in P or N position

0 V

98

(O)

Ground

Ignition relay (IPDM 
E/R) control

Output

Ignition switch

OFF or ACC

12 V

ON

0 V

99

(R)

Ground

Ignition relay-1 con-
trol

Output

Ignition switch

OFF or ACC

0 V

ON

12 V

100

(SB)

Ground

Push-button ignition 
switch (push switch)

Input

Push-button ig-
nition switch 
(push switch)

Pressed

0 V

Not pressed

12 V

101

(W/B)

Ground

Ignition power sup-
ply No. 2

Output

Ignition switch

OFF or ACC

0 V

ON

12 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

JPMIA1554GB

JMKIA0066GB

 

 

 

 

 

 

 

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