Nissan Quest E52. Instruction — part 201
BCS
BCM
BCS-47
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
5
(G)
Ground
Combination switch
INPUT 2
Input
Combination
switch
All switches OFF
(Wiper volume dial 4)
0 V
Front washer switch ON
(Wiper volume dial 4)
1.0 V
Rear washer switch ON
(Wiper volume dial 4)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 5
• Wiper volume dial 6
Rear wiper switch ON
(Wiper volume dial 4)
0.8 V
6
(L)
Ground
Combination switch
INPUT 1
Input
Combination
switch
All switches OFF
(Wiper volume dial 4)
0 V
Front wiper switch HI
(Wiper volume dial 4)
1.0 V
Rear wiper switch INT
(Wiper volume dial 4)
Wiper volume dial 3
(All switches OFF)
Any of the condition below
with all switches OFF
• Wiper volume dial 1
• Wiper volume dial 2
1.9 V
Any of the condition below
with all switches OFF
• Wiper volume dial 6
• Wiper volume dial 7
0.8 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIB4958J
PKIB4956J
PKIB4958J
PKIB4952J
PKIB4956J
BCS-48
< ECU DIAGNOSIS INFORMATION >
BCM
7*
1
(W)
Ground
Door key cylinder
switch UNLOCK
Input
Door key cylin-
der switch
NEUTRAL position
7.0 - 8.0 V
UNLOCK position
0 V
8
(GR)*
2
(Y)*
1
Ground
Power window
switch communica-
tion (with automatic
sliding door system)
Input/
Output
Ignition switch ON
9.0 - 10 V
Door key cylinder
switch LOCK (with-
out automatic sliding
door system)
Input
Door key cylin-
der switch
NEUTRAL position
7.0 - 8.0 V
LOCK position
0 V
9
(V)
Ground
Stop lamp switch 1
Input
Stop lamp
switch
OFF (Brake pedal is not
depressed)
0 V
ON (Brake pedal is de-
pressed)
9 – 16 V
12*
1
(GR)
Ground
Door lock and unlock
switch LOCK
Input
Door lock and
unlock switch
NEUTRAL position
1.0 - 1.5 V
LOCK position
0 V
13*
1
(BR)
Ground
Door lock and unlock
switch UNLOCK
Input
Door lock and
unlock switch
NEUTRAL position
1.0 - 1.5 V
UNLOCK position
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
PKIB4960J
PKIA7023E
PKIB4960J
JPMIA0012GB
JPMIA0012GB
BCS
BCM
BCS-49
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
14
(L)
Ground
Optical sensor
Input
Ignition switch
ON
When bright outside of the
vehicle
Close to 5 V
When dark outside of the
vehicle
Close to 0 V
15
(W)
Ground
Rear window defog-
ger switch
Input
Rear window
defogger switch
Not pressed
1.0 - 1.5 V
Pressed
0 V
16*
3
(Y)
Ground
Dimmer signal
Output
Ignition switch
ON
Either of the following
conditions
• Lighting switch OFF
• The area around the ve-
hicle is bright (Shine a
light on the optical sen-
sor)
0 V
The area around the vehi-
cle is dark (Block the light
from the optical sensor)
7.5 – 16 V
17
(O)
Ground
Sensor power sup-
ply
Output
Ignition switch
OFF, ACC
0 V
ON
4.65 – 5.5 V
18
(R)
Ground
Receiver and sensor
ground
Input
Ignition switch ON
0 V
21
(R)
Ground
NATS antenna amp.
Input/
Output
Intelligent Key:
Intelligent Key
battery is re-
moved
Brake pedal: Depressed
NOTE:
Waveform varies each
time when brake pedal is
depressed
Brake pedal: Not de-
pressed
9 – 16 V
23
(V)
Ground
Security indicator
lamp control
Output
Security indica-
tor lamp
ON
0 – 0.5 V
Blinking (Ignition switch
OFF)
12.0 V
OFF
9 – 16 V
24*
4
(B)
Ground
Dongle link
Input/
Output
Ignition switch OFF
5 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JPMIA0012GB
JMKIA6232JP
JPMIA0590GB
BCS-50
< ECU DIAGNOSIS INFORMATION >
BCM
25
(W)
Ground
NATS antenna amp.
Input/
Output
During waiting
Brake pedal: Depressed
NOTE:
Waveform varies each
time when brake pedal is
depressed
Brake pedal: Not de-
pressed
9 – 16 V
27
(O)
Ground
A/C ON (Automatic
air conditioner)
Input
A/C
OFF (A/C switch indicator:
OFF)
7.0 - 8.0 V
ON (A/C switch indicator:
ON)
0 V
A/C ON (Instruction c
air conditioner)
Ignition switch
ON and blower
fan switch other
than OFF
A/C switch OFF
12 V
A/C switch ON
0 V
28
(BR)
Ground
Blower fan ON (Au-
tomatic air condition-
er)
Input
Fan switch
OFF
12 V
ON
0 V
Blower fan ON
(Instruction air condi-
tioner)
Fan switch
OFF
7.0 - 8.0 V
Other than OFF
0 V
29
(P)
Ground
Hazard switch
Input
Hazard switch
OFF
9 – 16 V
ON
0 – 1.5 V
30
(L)
Ground
Back door opener
switch
Input
Back door
opener switch
Pressed
0 V
Not pressed
1.0 - 1.5 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
JMKIA6233JP
PKIB4960J
PKIB4960J
JPMIA0012GB
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