Infiniti G37 Coupe. Manual — part 1442
WW-42
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
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
BCM (BODY CONTROL MODULE)
WW-43
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
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
WW-44
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
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
BCM (BODY CONTROL MODULE)
WW-45
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
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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