Nissan Pathfinder. Manual — part 212
BCS
BCM
BCS-37
< ECU DIAGNOSIS INFORMATION >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
14
(P)
Ground
Combination switch
input 1
Input
Combination
switch
(Wiper intermit-
tent dial 4)
OFF
0V
FR WIPER HI
1.0V
INT VOLUME 1
RR WIPER INT
INT VOLUME 2
17
(R)
Ground
Auto light reference
ground
Input
Push-button ignition switch ON
0V
18
(V)
Ground Security indicator
Output Security indicator
ON
0V
Blinking
11.3V
OFF
Battery voltage
19
(Y)
Ground
Central door lock sw
signal
Input
Door lock/unlock
switch
Lock
Battery voltage
Unlock
0V
20
(W)
Ground Shift P
Input
Selector lever
P position
0V
Any position other than P
Battery voltage
21
(W)
Ground Step lamp control
Output Step lamp
ON
0V
OFF
Battery voltage
24
(SB)
Ground
Door key/c unlock sw
signal
Input
Key cylinder
switch
OFF (neutral)
5V
ON (unlock)
0V
25
(W)
Ground Brake switch fuse
Input
—
Battery voltage
26
(L)
Ground Shorting input
Input
Push-button ignition switch OFF
Battery voltage
27
(G)
Ground Brake switch lamp
Input
Stop lamp switch
OFF (brake pedal is not de-
pressed)
0V
ON (brake pedal is de-
pressed)
Battery voltage
30
(P)
Ground
Driver door lock sta-
tus
Input
Front door LH
LOCK status
11.8V
UNLOCK status
0V
32
(R)
Ground Rr def sw signal
Input
Rear window de-
fogger switch
OFF
5V
ON
0V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
PKIB4958J
JPMIA0014GB
JPMIA0011GB
BCS-38
< ECU DIAGNOSIS INFORMATION >
[BCM]
BCM
34
(BR)
Ground
Central door unlock
sw signal
Input
Door lock/unlock
switch
Unlock
Battery voltage
Lock
0V
36
(W)
Ground Hazard switch
Input
Hazard switch
Pressed
0 V
Not pressed
1.1V
39
(G)
Ground Shift N/P
Input
Selector lever
P or N position
Battery voltage
Except P and N positions
0V
48
(R)
Ground
High side start switch
LED
Output
Push-button igni-
tion switch illumi-
nation
ON
5.5V
OFF
0V
52
(W)
Ground Audio dongle
Input/
Output
Push-button ignition switch OFF
5V
54
(W)
Ground
Power window link/
communication
Input/
Output
Push-button igni-
tion switch
ON
10.2V
OFF or ACC
0V
59
(P)
Ground CAN low
Input/
Output
—
—
60
(L)
Ground CAN high
Input/
Output
—
—
61
(BG)
Ground
Rear defogger relay
output
Output
Rear window de-
fogger
Activated
Battery voltage
Not activated
0V
62
(W)
Ground Starter relay output
Output
Push-button igni-
tion switch ON
When selector lever is in P
or N position and the brake
is depressed
Battery voltage
When selector lever is in P
or N position and the brake
is not depressed
0V
63
(BG)
Ground I-Key link signal
Output
Push-button ignition switch OFF
→ ON, after
unlocking door by 1st key registered to BCM
5V
Push-button ignition switch OFF
→ ON, after
unlocking door by 2nd key registered to BCM
0V
64
(P)
Ground Buzzer output
Output
Outside warning
buzzer
Sounding
0V
Not sounding
Battery voltage
66
(W)
Ground
Blower fan relay out-
put
Output
Push-button igni-
tion switch
OFF or ACC
0V
ON
Battery voltage
67
(G)
Ground
Ignition electrical re-
lay output 2
Output
Push-button igni-
tion switch
OFF or ACC
0V
ON
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
JPMIA0012GB
JPMIA0013GB
BCS
BCM
BCS-39
< ECU DIAGNOSIS INFORMATION >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
68
(P)
Ground Dimmer signal output
Output
Push-button igni-
tion switch ON
Either of the following con-
ditions
• Lighting switch OFF
• The area around the ve-
hicle is bright (Shine a
light on the optical sen-
sor)
0V
The area around the vehi-
cle is dark (Block the light
from the optical sensor)
Battery voltage
69
(G)
Ground CVT device output
Output
—
Battery voltage
70
(P)
Ground
IPDM E/R ignition
output 1
Output
Push-button igni-
tion switch
OFF or ACC
0V
ON
Battery voltage
71
(R)
Ground Driver request switch
Input
Front door LH re-
quest switch
ON (pressed)
0V
OFF (not pressed)
1.0V
72
(G)
Ground
Passenger request
switch
Input
Front door RH re-
quest switch
ON (pressed)
0V
OFF (not pressed)
1.0V
74
(BR)
Ground
Door key/c lock sw
signal
Input
Front door lock
assembly LH (key
cylinder switch)
OFF (neutral)
5V
ON (lock)
0V
75
(BG)
Ground
Combination switch
output 5
Output
Combination
switch
(Wiper intermit-
tent dial 4)
OFF
7.0 – 8.0V
INT VOLUME 2
1.2V
RR WIPER ON
FR FOG
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
JPMIA0016GB
JPMIA0016GB
PKIB4960J
PKIB4958J
BCS-40
< ECU DIAGNOSIS INFORMATION >
[BCM]
BCM
76
(P)
Ground
Combination switch
output 4
Output
Combination
switch
(Wiper intermit-
tent dial 4)
OFF
7.0 – 8.0V
RR WIPER INT
1.2V
INT VOLUME 3
AUTO LIGHT
TAIL LAMP
77
(R)
Ground
Combination switch
output 3
Output
Combination
switch
(Wiper intermit-
tent dial 4)
OFF
7.0 – 8.0V
INT VOLUME 1
1.2V
RR WASHER
HEADLAMP 2
HI BEAM
78
(G)
Ground
Combination switch
output 2
Output
Combination
switch
(Wiper intermit-
tent dial 4)
OFF
7.0 – 8.0V
FR WIPER HI
1.2V
FR WIPER INT/AUTO
PASSING
HEADLAMP 1
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
PKIB4960J
PKIB4958J
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