Nissan X-Trail 32. Manual — part 89
BCS-72
< ECU DIAGNOSIS INFORMATION >
BCM
118*
2
(SB)
Ground
Passenger door an-
tenna (-)
Input
Power position
ON and any
door is open
Intelligent Key is outside
the vehicle
Intelligent Key is inside
the vehicle
119*
2
(P)
Ground
Passenger door an-
tenna (+)
Output
Power position
ON and any
door is open
Intelligent Key is outside
the vehicle
Intelligent Key is inside
the vehicle
120*
2
(BR)
Ground
Driver door antenna
(-)
Input
Power position
ON and any
door is open
Intelligent Key is outside
the vehicle
Intelligent Key is inside
the vehicle
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSMIA1507GB
JSMIA1506GB
JSMIA1507GB
JSMIA1506GB
JMMIA1652GB
JMMIA1653GB
BCS
BCM
BCS-73
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
121
(LA/V)
Ground
Back door open
Output
Back door
opener actuator
Activated
9 – 16 V
Not activated
0 V
122
(Y)
Ground
Rear fog lamp
Output
Rear fog lamp
OFF
0 V
ON
9 – 16 V
123
(LA/R)
Ground
Rear wiper
Output
Power position
ON
Rear wiper switch OFF
0 V
Rear wiper switch ON
9 – 16 V
124
(W)
Ground
Rear door UNLOCK
Output
Rear door
UNLOCK (Actuator is acti-
vated)
9 – 16 V
Other than UNLOCK (Ac-
tuator is not activated)
0 V
125
(L)
Ground
Rear door LOCK
Output
Rear door
LOCK (Actuator is activat-
ed)
9 – 16 V
Other than LOCK (Actua-
tor is not activated)
0 V
127
(R)
Ground
Luggage room lamp
control
Output
Luggage room
lamp
OFF
9 – 16 V
ON
0 – 0.5 V
129
(LA/W)
Ground
Stop lamp LH output
Output
Brake pedal
Not depressed
0 V
Depressed
9 – 16 V
131*
4
(R)
Ground
Super lock (Rear
door)
Output
Super lock actu-
ator (Rear door)
Activated
9 – 16 V
Not activated
0 V
133
(GR)
Ground
Turn signal LH out-
put (Rear)
Output
Power position
ON
Turn signal switch OFF
0 V
Turn signal switch LH
6.5 V
(Turn signal lamp turn on: 9 - 16
V)
134
(LA/Y)
Ground
Stop lamp RH output
Output
Brake pedal
Not depressed
0 V
Depressed
9 – 16 V
136
(P)
Ground
Turn signal RH out-
put (Rear)
Output
Power position
ON
Turn signal switch OFF
0 V
Turn signal switch RH
6.5 V
(Turn signal lamp turn on: 9 - 16
V)
137
(W)
Ground
Battery power sup-
ply (BCM)
Input
Power position ON
9 – 16 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
PKID0926E
PKID0926E
BCS-74
< ECU DIAGNOSIS INFORMATION >
BCM
138
(SB)
Ground
Interior room lamp
control
Output
Map lamp, room
lamp and per-
sonal lamp
(Door position)
When all doors are closed
(Interior room lamp are
turned OFF)
9 – 16 V
Any doors opens (Interior
room lamp are turned ON)
0 – 1 V
139
(L)
Ground
Passenger door UN-
LOCK
Output
Passenger door
UNLOCK (Actuator is acti-
vated)
9 – 16 V
Other than UNLOCK (Ac-
tuator is not activated)
0 V
141
(V)
Ground
Front doors LOCK
Output
Front doors
LOCK (Actuator is activat-
ed)
9 – 16 V
Other than LOCK (Actua-
tor is not activated)
0 V
143
(LA/V)
Ground
Battery power sup-
ply (Front door lock
actuator)
Input
Power position ON
9 – 16 V
144
(BG)
Ground
Battery power sup-
ply (Turn signal
lamp)
Input
Power position ON
9 – 16 V
145
(GR)
Ground
Battery power sup-
ply (Stop lamp)
Input
Power position ON
9 – 16 V
146
(B)
Ground
Ground
—
Power position OFF
0 V
147
(B)
Ground
Ground
—
Power position OFF
0 V
148
(G)
Ground
Driver door UN-
LOCK
Output
Driver door
UNLOCK (Actuator is acti-
vated)
9 – 16 V
Other than UNLOCK (Ac-
tuator is not activated)
0 V
149*
4
(W)
Ground
Super lock (Front
door)
Output
Super lock actu-
ator (Front door)
Activated
9 – 16 V
Not activated
0 V
151
(R)
Ground
Battery power sup-
ply (Rear door lock
actuator)
Input
Power position ON
9 – 16 V
152
(LG)
Ground
Battery power sup-
ply (Rear wiper)
Input
Power position ON
9 – 16 V
156
(V)
Ground
Clutch interlock
switch
Input
Clutch interlock
switch
OFF (Clutch pedal is de-
pressed)
9 – 16 V
ON (Clutch pedal is not
depressed)
0 – 0.5 V
157
(LG)
Ground
Stop lamp switch 2
Input
Stop lamp
switch
OFF (Brake pedal is not
depressed)
0 V
ON (Brake pedal is de-
pressed)
9 – 16 V
158
(W)
Ground
Stop lamp switch 1
Input
Power position
ON
Stop lamp switch OFF
(Brake pedal is not de-
pressed)
9 – 16 V
Stop lamp switch ON
(Brake pedal is de-
pressed)
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
BCS
BCM
BCS-75
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
*1: With automatic back door
*2: With Intelligent Key system
159
(R)
Ground
Clutch pedal posi-
tion switch
Input
Clutch pedal po-
sition switch
OFF (Clutch pedal is de-
pressed)
9 – 16 V
ON (Clutch pedal is not
depressed)
0 – 0.5 V
164*
2
(Y)
Ground
Intelligent Key warn-
ing buzzer
Output
Intelligent Key
warning buzzer
Sounding
NOTE:
The pulse cycle changes
depending on buzzer
sounds.
Not sounding
0 – 0.5 V
166*
2
(P)
Ground
Steering lock unit
power supply
Input
Power position
OFF or ACC
9 – 16 V
ON
0 – 0.5 V
167
(BR)
Ground
Turn signal LH out-
put (Front)
Output
Power position
ON
Turn signal switch OFF
0 V
Turn signal switch LH
6.5 V
(Turn signal lamp turn on: 9 - 16
V)
168
(GR)
Ground
Turn signal RH out-
put (Front)
Output
Power position
ON
Turn signal switch OFF
0 V
Turn signal switch RH
6.5 V
(Turn signal lamp turn on: 9 - 16
V)
170
(L)
Ground
PTC relay-3 control
Output
PTC heater
“HIGH” operation
9 – 16 V
Other than above
0 – 0.1 V
171
(G)
Ground
Starter relay control
Output
Starter motor
At engine cranking
0 – 0.1 V
Other than above
9 – 16 V
172
(V)
Ground
PTC relay-1 control
signal
Output
PTC heater
OFF
9 – 16 V
“LOW”, “MID” or “HIGH”
operation
0 – 0.1 V
173
(BG)
Ground
PTC relay-2 control
signal
Output
PTC heater
“MID” or “HIGH” operation
0 – 0.1 V
Except above
9 – 16 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMMIA1702GB
PKID0926E
PKID0926E
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