Nissan Frontier. Manual — part 1333
BCM (BODY CONTROL MODULE)
WW-27
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
KEYLESS PANIC
PANIC button of key fob is not pressed
Off
PANIC button of key fob is pressed
On
KEYLESS UNLOCK
UNLOCK button of key fob is not pressed
Off
UNLOCK button of key fob is pressed
On
LIGHT SW 1ST
Lighting switch OFF
Off
Lighting switch 1st
On
OIL PRESS SW
• Ignition switch OFF or ACC
• Engine running
Off
Ignition switch ON
On
OPTICAL SENSOR
Bright outside of the vehicle
Close to 5V
Dark outside of the vehicle
Close to 0V
PASSING SW
Other than lighting switch PASS
Off
Lighting switch PASS
On
REAR DEF SW
Rear window defogger switch OFF
Off
Rear window defogger switch ON
On
TURN SIGNAL L
Turn signal switch OFF
Off
Turn signal switch LH
On
TURN SIGNAL R
Turn signal switch OFF
Off
Turn signal switch RH
On
VEHICLE SPEED
While driving
Equivalent to speedometer reading
WARNING LAMP
Low tire pressure warning lamp in combination meter OFF
Off
Low tire pressure warning lamp in combination meter ON
On
Monitor Item
Condition
Value/Status
WW-28
< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000010218919
Physical Values
INFOID:0000000010218920
LIIA2443E
BCM (BODY CONTROL MODULE)
WW-29
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
H
I
J
K
M
A
B
WW
N
O
P
Terminal
Wire
color
Item
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) 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) lock
Input
On (open)
Momentary 1.5V
OFF (closed)
0V
9
LG
Brake sw
Input
OFF
OFF (brake pedal is not de-
pressed)
0V
ON (brake pedal is de-
pressed)
Battery voltage
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
(All)
Input
OFF
ON (open)
0V
Rear door switch up-
per RH (King Cab)
OFF (closed)
Battery voltage
Rear door switch low-
er RH (King Cab)
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
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< ECU DIAGNOSIS INFORMATION >
BCM (BODY CONTROL MODULE)
13
L
Rear door switch RH
(Crew Cab)
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
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 (Sig-
nal)
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.
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.
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
GR
Cargo lamp switch
Input
OFF
ON
0V
OFF
Battery voltage
Terminal
Wire
color
Item
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
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