Infiniti G37 Coupe. Manual - part 391

 

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Infiniti G37 Coupe. Manual - part 391

 

 

BCM (BODY CONTROL MODULE)

DLK-125

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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

DLK-126

< ECU DIAGNOSIS >

[INTELLIGENT KEY 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

BCM (BODY CONTROL MODULE)

DLK-127

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

88

(O)

Ground

Combination switch 
INPUT 3

Input

Combination 
switch

All switch OFF
(Wiper intermittent dial 4)

1.4 V

Lighting switch HI
(Wiper intermittent dial 4)

1.3 V

Lighting switch 2ND
(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 3

1.3 V

89

(BR)

Ground

Push-button ignition 
switch (push switch)

Input

Push-button igni-
tion switch (push 
switch)

Pressed

0 V

Not pressed

Battery voltage

90

(P)

Ground

CAN - L

Input/ 

Output

91

(L)

Ground

CAN - H

Input/ 

Output

92

(LG)

Ground

Key slot illumination

Output

Key slot illumina-
tion

OFF

0 V

Blinking

6.5 V

ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

JPMIA0041GB

JPMIA0036GB

JPMIA0037GB

JPMIA0040GB

JPMIA0015GB

DLK-128

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

BCM (BODY CONTROL MODULE)

93

(V)

Ground

ON indicator lamp

Output

Ignition switch

OFF or ACC

0 V

ON

Battery voltage

95

(O)

Ground

ACC relay control

Output

Ignition switch

OFF

0 V

ACC or ON

Battery voltage

96

(Y)

Ground

A/T device (detention 
switch) power supply

Output

Battery voltage

97

(L)

Ground

Steering lock condi-
tion No. 1

Input

Steering lock

LOCK status

0 V

UNLOCK status

Battery voltage

98

(P)

Ground

Steering lock condi-
tion No. 2

Input

Steering lock

LOCK status

Battery voltage

UNLOCK status

0 V

99

(R)

Ground

Selector lever P posi-
tion switch
(Except M/T models)

Input

Selector lever

P position

0 V

Any position other than P

Battery voltage

ASCD clutch switch
(M/T models with 
ICC)

ASCD clutch 
switch

OFF (Clutch pedal is de-
pressed)

0 V

ON (Clutch pedal is not de-
pressed)

Battery voltage

ICC clutch switch
(M/T models without 
ICC)

ICC clutch switch

OFF (Clutch pedal is de-
pressed)

0 V

ON (Clutch pedal is not de-
pressed)

Battery voltage

100

(Y)

Ground

Passenger door re-
quest switch

Input

Passenger door 
request switch

ON (Pressed)

0 V

OFF (Not pressed)

1.0 V

101

(P)

Ground

Driver door request 
switch

Input

Driver door re-
quest switch

ON (Pressed)

0 V

OFF (Not pressed)

1.0 V

102

(O)

Ground

Blower fan motor re-
lay control

Output

Ignition switch

OFF or ACC

0 V

ON

Battery voltage

103

(LG)

Ground

Remote keyless entry 
receiver power sup-
ply

Output

Ignition switch OFF

Battery voltage

106
(W)

Ground

Steering wheel lock 
unit power supply

Output

Ignition switch

OFF or ACC

Battery voltage

ON

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

JPMIA0016GB

JPMIA0016GB

 

 

 

 

 

 

 

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