Infiniti G37 Coupe. Manual — part 1422
WT-60
< ECU DIAGNOSIS >
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
BCM (BODY CONTROL MODULE)
WT-61
< ECU DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
107
(LG)
Ground
Combination switch
INPUT 1
Input
Combination
switch
(Wiper intermit-
tent dial 4)
All switch OFF
1.4 V
Turn signal switch LH
1.3 V
Turn signal switch RH
1.3 V
Front wiper switch LO
1.3 V
Front washer switch ON
1.3 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0037GB
JPMIA0036GB
JPMIA0038GB
JPMIA0039GB
WT-62
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
108
(R)
Ground
Combination switch
INPUT 4
Input
Combination
switch
All switch OFF
(Wiper intermittent dial 4)
1.4 V
Lighting switch AUTO
(Wiper intermittent dial 4)
1.3 V
Lighting switch 1ST
(Wiper intermittent dial 4)
1.3 V
Any of the conditions below
with all switch OFF
• Wiper intermittent dial 1
• Wiper intermittent dial 5
• Wiper intermittent dial 6
1.3 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0038GB
JPMIA0036GB
JPMIA0039GB
BCM (BODY CONTROL MODULE)
WT-63
< ECU DIAGNOSIS >
C
D
F
G
H
I
J
K
L
M
A
B
WT
N
O
P
109
(W)
Ground
Combination switch
INPUT 2
Input
Combination
switch
(Wiper intermit-
tent dial 4)
All switch OFF
1.4 V
Lighting switch PASS
1.3 V
Lighting switch 2ND
1.3 V
Front wiper switch INT
1.3 V
Front wiper switch HI
1.3 V
110
(G)
Ground
Hazard switch
Input
Hazard switch
Pressed
0 V
Not pressed
1.1 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
–
JPMIA0041GB
JPMIA0037GB
JPMIA0036GB
JPMIA0038GB
JPMIA0040GB
JPMIA0012GB
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