Nissan Maxima. Instruction — part 225
BCS
BCM (BODY CONTROL MODULE)
BCS-47
< ECU DIAGNOSIS INFORMATION >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
1
(W/B)
Ground Battery power supply
Input
Ignition switch OFF
Battery voltage
2
(R/Y)
Ground
Battery power supply
output
Output Ignition switch OFF
Battery voltage
3
(L/W)
Ground
Ignition power supply
output
Output Ignition switch ON
Battery voltage
4
(P/W)
Ground
Interior room lamp
power supply
Output
After passing the interior room lamp battery sav-
er operation time
0V
Any other time after passing the interior room
lamp battery saver operation time
Battery voltage
5
(G)
Ground
Front door RH UN-
LOCK
Output Front door RH
UNLOCK (actuator is acti-
vated)
Battery voltage
Other than UNLOCK (actu-
ator is not activated)
0V
7
(R/W)
Ground Step lamp
Output Step lamp
ON
0V
OFF
Battery voltage
8
(V)
Ground All doors LOCK
Output All doors
LOCK (actuator is activat-
ed)
Battery voltage
Other than LOCK (actuator
is not activated)
0V
9
(L)
Ground
Front door LH UN-
LOCK
Output Front door LH
UNLOCK (actuator is acti-
vated)
Battery voltage
Other than UNLOCK (actu-
ator is not activated)
0V
10
(G)
Ground
Rear door RH and
rear door LH UN-
LOCK
Output
Rear door RH
and rear door LH
UNLOCK (actuator is acti-
vated)
Battery voltage
Other than UNLOCK (actu-
ator is not activated)
0V
11
(Y/R)
Ground Battery power supply
Input
Ignition switch OFF
Battery voltage
13
(B)
Ground Ground
—
Ignition switch ON
0V
14
(GR/
W)
Ground
Engine switch (push
switch) illumination
ground
Input
Tail lamp
OFF
0V
ON
NOTE:
When the illumination brighten-
ing/dimming level is in the neutral
position
15
(Y/L)
Ground ACC indicator lamp
Output Ignition switch
OFF
Battery voltage
ACC or ON
0V
JSNIA0010GB
BCS-48
< ECU DIAGNOSIS INFORMATION >
[BCM]
BCM (BODY CONTROL MODULE)
17
(G/B)
Ground Turn signal (RH)
Output
Ignition switch
ON
Turn signal switch OFF
0V
Turn signal switch RH
6.5 V
18
(G/Y)
Ground Turn signal (LH)
Output
Ignition switch
ON
Turn signal switch OFF
0V
Turn signal switch LH
6.5 V
19
(Y)
Ground
Room lamp timer
control
Output
Interior room
lamp
OFF
Battery voltage
ON
0V
21
(P/B)
Ground Optical sensor signal
Input
Ignition switch
ON
When outside of the vehi-
cle is bright
Close to 5V
When outside of the vehi-
cle is dark
Close to 0V
24
(R/W)
Ground Stop lamp switch 1
Input
—
Battery voltage
26
(O/L)
Ground Stop lamp switch 2
Input
Stop lamp switch
OFF (brake pedal is re-
leased)
0V
ON (brake pedal is de-
pressed)
Battery voltage
27
(O)
Ground
Front door lock as-
sembly LH (unlock
sensor)
Input
Front door LH
LOCK status
11.8V
UNLOCK status
0V
29
(Y)
Ground Key slot switch
Input
When Intelligent Key is inserted into key slot
Battery voltage
When Intelligent Key is not inserted into key slot 0V
31
(G)
Ground
Rear window defog-
ger feedback signal
Input
Rear window de-
fogger switch
OFF
0V
ON
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
PKID0926E
PKID0926E
JPMIA0011GB
BCS
BCM (BODY CONTROL MODULE)
BCS-49
< ECU DIAGNOSIS INFORMATION >
[BCM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
32
(R/B)
Ground Front door RH switch
Input
Front door RH
switch
OFF (when front door RH
closes)
11.8 V
ON (when front door RH
opens)
0V
37
(O)
Ground
Trunk lid opener can-
cel switch
Input
Trunk lid opener
cancel switch
CANCEL
1.1V
ON
0V
38
(GR/
W)
Ground
Rear window defog-
ger ON signal
Input
Rear window de-
fogger switch
OFF
5V
ON
0V
40
(Y/G)
Ground
Power window serial
link
Input/
Output
Ignition switch ON
10.2V
Ignition switch OFF or ACC
0V
41
(W)
Ground
Engine switch (push
switch) illumination
Output
Engine switch
(push switch) illu-
mination
ON
5.5V
OFF
0V
42
(R)
Ground LOCK indicator lamp
Output
LOCK indicator
lamp
ON
0V
OFF
Battery voltage
45
(P)
Ground
Receiver & sensor
ground
Input
Ignition switch ON
0V
46
(V/W)
Ground
Receiver & sensor
power supply output
Output Ignition switch
OFF
0V
ACC or ON
5.0V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
JPMIA0011GB
JPMIA0012GB
JPMIA0013GB
BCS-50
< ECU DIAGNOSIS INFORMATION >
[BCM]
BCM (BODY CONTROL MODULE)
47
(G/O)
Ground
Tire pressure receiv-
er signal
Input/
Output
Ignition switch
ON
Standby state
When receiving the signal
from the transmitter
48
(R/G)
Ground
Selector lever trans-
mission range switch
signal
Input
Selector lever
P or N position
12.0V
Except P and N positions
0V
49
(L/O)
Ground
Security indicator sig-
nal
Output Security indicator
ON
0V
Blinking
11.3V
OFF
Battery voltage
50
(LG/
B)
Ground
Combination switch
OUTPUT 5
Input
Combination
switch
(Wiper intermit-
tent dial 4)
All switch OFF
0V
Lighting switch 1ST
10.7V
Lighting switch high-beam
Lighting switch 2ND
Turn signal switch RH
51
(L/W)
Ground
Combination switch
OUTPUT 1
Input
Combination
switch
All switch OFF
(Wiper intermittent dial 4)
0V
Front wiper switch HI
(Wiper intermittent dial 4)
10.7V
Any of the conditions below
with all switch OFF
• Wiper intermittent dial 1
• WIper intermittent dial 2
• Wiper intermittent dial 3
• Wiper intermittent dial 6
• Wiper intermittent dial 7
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
(+)
(-)
OCC3881D
OCC3880D
JPMIA0014GB
JPMIA0031GB
JPMIA0032GB
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