Nissan Pathfinder (2006 year). Instruction — part 85
BCM (BODY CONTROL MODULE)
BCS-9
C
D
E
F
G
H
I
J
L
M
A
B
BCS
2006 Pathfinder
Schematic
EKS00G0O
WIWA1609E
BCS-10
BCM (BODY CONTROL MODULE)
2006 Pathfinder
WIWA1610E
BCM (BODY CONTROL MODULE)
BCS-11
C
D
E
F
G
H
I
J
L
M
A
B
BCS
2006 Pathfinder
BCM Terminal Arrangement
EKS00HJY
LKIA0682E
BCS-12
BCM (BODY CONTROL MODULE)
2006 Pathfinder
Terminals and Reference Values for BCM
EKS00HJZ
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
assembly LH (key cyl-
inder switch) unlock
Input
OFF
ON (open, 2nd turn)
Momentary 1.5V
OFF (closed)
0V
8
SB
Front door lock
assembly LH (key cyl-
inder switch) lock
Input
On (open)
Momentary 1.5V
OFF (closed)
0V
9
Y
Rear window defog-
ger switch
Input
ON
Rear window defogger switch
ON
0V
Rear window defogger switch
OFF
5V
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
15
W
Tire pressure warning
check connector
Input
OFF
—
5V
SKIA5291E
SKIA5292E
SKIA5291E
SKIA5292E
BCM (BODY CONTROL MODULE)
BCS-13
C
D
E
F
G
H
I
J
L
M
A
B
BCS
2006 Pathfinder
18
BR
Remote keyless entry
receiver (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
released)
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
(Every 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
32
O
Combination switch
output 5
Output
ON
Lighting, turn, wiper OFF
Wiper dial position 4
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
SKIA5291E
BCS-14
BCM (BODY CONTROL MODULE)
2006 Pathfinder
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
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
—
—
—
—
42
LG
Glass hatch ajar
switch
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
43
Y
Back door switch
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
44
O
Rear wiper auto stop
Input
ON
Rear wiper operating
0
Rear wiper stopped
Battery
45
V
Lock switch
Input
OFF
ON (lock)
0V
OFF
Battery voltage
46
LG
Unlock switch
Input
OFF
ON (unlock)
0V
OFF
Battery voltage
47
GR
Front door switch LH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
48
P
Rear door switch LH
Input
OFF
ON (open)
0V
OFF (closed)
Battery voltage
49
L
Cargo lamp
Output
OFF
Any door open (ON)
0V
All doors closed (OFF)
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
SKIA5292E
SKIA5291E
SKIA5292E
BCM (BODY CONTROL MODULE)
BCS-15
C
D
E
F
G
H
I
J
L
M
A
B
BCS
2006 Pathfinder
51
O
Trailer turn signal
(right)
Output
ON
Turn right ON
52
LG
Trailer turn signal (left)
Output
ON
Turn left ON
55
W
Rear wiper motor out-
put
Output
ON
OFF
0
ON
Battery voltage
56
V
Battery saver output
Output
OFF
30 minutes after ignition
switch is turned OFF
0V
ON
—
Battery voltage
57
R/Y
Battery power supply
Input
OFF
—
Battery voltage
58
W
Optical sensor
Input
ON
When optical sensor is illumi-
nated
3.1V or more
When optical sensor is not
illuminated
0.6V or less
59
GR
Front door lock
assembly LH and fuel
lid door lock actuator
(unlock)
Output
OFF
OFF (neutral)
0V
ON (unlock)
Battery voltage
60
LG
Turn signal (left)
Output
ON
Turn left ON
61
G
Turn signal (right)
Output
ON
Turn right ON
63
BR
Interior room/map
lamp
Output
OFF
Any door
switch
ON (open)
0V
OFF (closed)
Battery voltage
65
V
All door lock actuators
(lock)
Output
OFF
OFF (neutral)
0V
ON (lock)
Battery voltage
66
L
Front door lock actua-
tor RH, rear door lock
actuators LH/RH and
back door lock actua-
tor (unlock)
Output
OFF
OFF (neutral)
0V
ON (unlock)
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
SKIA3009J
SKIA3009J
SKIA3009J
SKIA3009J
BCS-16
BCM (BODY CONTROL MODULE)
2006 Pathfinder
BCM Power Supply and Ground Circuit Check
EKS00HK0
1.
CHECK FUSES AND FUSIBLE LINK
●
Check 50A fusible link (letter g , located in the fuse and fusible link box).
●
Check 10A fuses [No. 1, 4 and 18, located in the fuse block (J/B)].
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
2.
CHECK BCM POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM.
3.
Check voltage between BCM connectors and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace the harness.
67
B
Ground
Input
ON
—
0V
68
O
Power window power
supply (RAP)
Output
—
Ignition switch ON
Battery voltage
Within 45 seconds after igni-
tion switch OFF
Battery voltage
More than 45 seconds after
ignition switch OFF
0V
When front door LH or RH is
open or power window timer
operates
0V
69
L
Power window power
supply
Output
—
—
Battery voltage
70
W
Battery power supply
Input
OFF
—
Battery voltage
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch
Operation or condition
Connector
Terminals
Power
source
Condition
Voltage (V)
(Approx.)
(+)
(-)
M18
11
Ground
ACC
power
supply
Ignition
switch
ACC or
ON
Battery voltage
38
Ground
Ignition
power
supply
Ignition
switch ON
or START
Battery voltage
M20
57
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
70
Ground
Battery
power
supply
Ignition
switch
OFF
Battery voltage
LIIA2415E
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