Infiniti QX56 (JA60). Manual — part 707
MWI
BCM (BODY CONTROL MODULE)
MWI-63
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
TRNK OPNR SW
When back door opener switch is not pressed
OFF
When back door opener switch is pressed
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
Monitor Item
Condition
Value/Status
MWI-64
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Terminal Layout
INFOID:0000000005380658
Physical Values
INFOID:0000000005380659
LIIA2443E
MWI
BCM (BODY CONTROL MODULE)
MWI-65
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
1
BR/W
Ignition keyhole illumi-
nation
Output
OFF
Door is locked (SW OFF)
Battery voltage
Door is unlocked (SW ON)
0V
2
SB
Combination switch
input 5
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
3
G/Y
Combination switch
input 4
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
4
Y
Combination switch
input 3
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
5
G/B
Combination switch
input 2
Input
ON
Lighting, turn, wiper OFF
Wiper dial position 4
6
V
Combination switch
input 1
9
GR/R
Rear window defogger
switch
Input
ON
Rear window defogger switch
ON
0V
Rear window defogger switch
OFF
5V
10
G
Hazard lamp flash
Input
OFF
ON (opening or closing)
0V
OFF (other than above)
Battery voltage
11
O
Ignition switch (ACC
or ON)
Input
ACC or
ON
Ignition switch ACC or ON
Battery voltage
12
R/L
Front door switch RH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
13
GR
Rear door switch RH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
15
L/W
Tire pressure warning
check connector
Input
OFF
—
5V
18
P
Remote keyless entry
receiver and optical
sensor (ground)
Output
OFF
—
0V
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
MWI-66
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
19
V/W
Remote keyless entry
receiver (power sup-
ply)
Output
OFF
Ignition switch OFF
20
G/W
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
G
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.
22
W/V
BUS
—
—
Ignition switch ON or power
window timer operates
23
G/O
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.
26
Y/L
Rear wiper auto stop
switch 2
Input
ON
Rise up position (rear wiper
arm on stopper)
0V
A Position (full clockwise stop
position)
0V
Forward sweep (counterclock-
wise direction)
Fluctuating
B Position (full counterclock-
wise stop position)
Battery voltage
Reverse sweep (clockwise di-
rection)
Fluctuating
27
W/R
Compressor ON sig-
nal
Input
ON
A/C switch OFF
5V
A/C switch ON
0V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
PIIA2344E
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