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