Infiniti G37 Coupe. Manual - part 979

PCS

BCM (BODY CONTROL MODULE)

PCS-85

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

67

(GR)

Ground

Trunk lid opener 
switch

Input

Trunk lid opener 
switch

Pressed

0 V

Not pressed

11.8 V

72

(R)

Ground

Room antenna 2 (-) 
(center console)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

73

(G)

Ground

Room antenna 2 (+) 
(center console)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JPMIA0011GB

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

PCS-86

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

BCM (BODY CONTROL MODULE)

74

(SB)

Ground

Passenger door an-
tenna (-)

Output

When the pas-
senger door re-
quest switch is 
operated with ig-
nition switch OFF

When Intelligent Key is in 
the antenna detection area

When Intelligent Key is not 
in the antenna detection 
area

75

(BR)

Ground

Passenger door an-
tenna (+)

Output

When the pas-
senger door re-
quest switch is 
operated with ig-
nition switch OFF

When Intelligent Key is in 
the antenna detection area

When Intelligent Key is not 
in the antenna detection 
area

76

(V)

Ground

Driver door antenna 
(-)

Output

When the driver 
door request 
switch is operat-
ed with ignition 
switch OFF

When Intelligent Key is in 
the antenna detection area

When Intelligent Key is not 
in the antenna detection 
area

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

PCS

BCM (BODY CONTROL MODULE)

PCS-87

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

77

(LG)

Ground

Driver door antenna 
(+)

Output

When the driver 
door request 
switch is operat-
ed with ignition 
switch OFF

When Intelligent Key is in 
the antenna detection area

When Intelligent Key is not 
in the antenna detection 
area

78

(Y)

Ground

Room antenna (-) (in-
strument panel)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

79

(BR)

Ground

Room antenna (+) 
(instrument panel)

Output

Ignition switch 
OFF

When Intelligent Key is in 
the passenger compart-
ment

When Intelligent Key is not 
in the passenger compart-
ment

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

JMKIA0062GB

JMKIA0063GB

PCS-88

< ECU DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

BCM (BODY CONTROL MODULE)

80

(GR)

Ground

NATS antenna amp 
(built in key slot)

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the Intelli-
gent Key into the key slot.

Just after pressing ignition 
switch. Pointer of tester should 
move.

81

(W)

Ground

NATS antenna amp 
(built in key slot)

Input/

Output

During waiting

Ignition switch is pressed 
while inserting the Intelli-
gent Key into the key slot.

Just after pressing ignition 
switch. Pointer of tester should 
move.

82

(R)

Ground

Ignition relay [fuse 
block (J/B)] control

Output

Ignition switch

OFF or ACC

0 V

ON

Battery voltage

83

(Y)

Ground

Remote keyless entry 
receiver signal

Input/

Output

During waiting

When operating either button on Intelligent Key

87

(BR)

Ground

Combination switch 
INPUT 5

Input

Combination 
switch

All switch OFF
(Wiper intermittent dial 4)

1.4 V

Front fog lamp switch ON
(Wiper intermittent dial 4)

1.3 V

Any of the conditions below 
with all switch OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 2
• Wiper intermittent dial 6
• Wiper intermittent dial 7

1.3 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

–

JMKIA0064GB

JMKIA0065GB

JPMIA0041GB

JPMIA0037GB

JPMIA0040GB