Nissan Xterra. Manual — part 184
BCM (BODY CONTROL MODULE)
DEF-21
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
Terminal Layout
INFOID:0000000010247929
Physical Values
INFOID:0000000010247930
LIIA2443E
DEF-22
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
1
BR
Ignition keyhole illumi-
nation
Output
OFF
Door is locked (SW OFF)
Battery voltage
Door is unlocked (SW ON)
0V
2
P
Combination switch
input 5
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
3
SB
Combination switch
input 4
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
4
V
Combination switch
input 3
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
5
L
Combination switch
input 2
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
6
R
Combination switch
input 1
7
GR
Front door lock as-
sembly LH (key cylin-
der switch) and back
door key cylinder
switch (unlock)
Input
OFF
ON (open, 2nd turn)
Momentary 1.5V
OFF (closed)
0V
8
SB
Front door lock as-
sembly LH (key cylin-
der switch) and back
door key cylinder
switch (lock)
Input
OFF
ON (open)
Momentary 1.5V
OFF (closed)
0V
9
LG
Stop lamp switch
Input
OFF
Brake pedal depressed
Battery voltage
Brake pedal released
0V
11
G/B
Ignition switch (ACC
or ON)
Input
ACC or
ON
Ignition switch ACC or ON
Battery voltage
12
LG
Front door switch RH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
13
L
Rear door switch RH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
BCM (BODY CONTROL MODULE)
DEF-23
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
M
A
B
DEF
N
O
P
15
W
Tire pressure warning
check connector
Input
OFF
—
5V
18
BR
Remote keyless entry
receiver and optical
sensor (ground)
Output
OFF
—
0V
19
V
Remote keyless entry
receiver (power sup-
ply)
Output
OFF
Ignition switch OFF
20
G
Remote keyless entry
receiver (signal)
Input
OFF
Stand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21
GR
NATS antenna amp.
Input
OFF
→
ON
Ignition switch (OFF
→ ON)
Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
23
G
Security indicator
lamp
Output
OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds)
Battery voltage
→ 0V
25
BR
NATS antenna amp.
Input
OFF
→
ON
Ignition switch (OFF
→ ON)
Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then
return to battery voltage.
27
W
Compressor ON sig-
nal
Input
ON
A/C switch OFF
5V
A/C switch ON
0V
28
R
Front blower monitor
Input
ON
Front blower motor OFF
Battery voltage
Front blower motor ON
0V
29
G
Hazard switch
Input
OFF
ON
0V
OFF
5V
31
R
Off-road lamps switch
Input
ON
ON
0V
OFF
5V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
DEF-24
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
32
BG
Combination switch
output 5
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
33
GR
Combination switch
output 4
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
34
G
Combination switch
output 3
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
35
BR
Combination switch
output 2
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
36
LG
Combination switch
output 1
37
B
Key switch and key
lock solenoid
Input
OFF
Key inserted
Battery voltage
Key removed
0V
38
W/R
Ignition switch (ON)
Input
ON
—
Battery voltage
39
L
CAN-H
—
—
—
—
40
P
CAN-L
—
—
—
—
41
Y
Rear window defogger
switch
Input
ON
Rear window defogger switch
ON
0V
Rear window defogger switch
OFF
5V
42
L
Off-road lamps
Output
ON
Off-road
lamps switch
ON 0V
OFF Battery
voltage
43
Y
Back door switch
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
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