Nissan Pathfinder (2009 year). Instruction — part 167
BCM (BODY CONTROL MODULE)
DLK-145
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
DTC Inspection Priority Chart
INFOID:0000000004422022
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000004422023
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-
tion switch OFF
→
ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1
→
2
→
3...38
→
39 after returning to the normal condition whenever ignition switch OFF
→
ON. The counter
remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF
→
ON after returning to the normal condition if the malfunction is detected again.
Display contents of CONSULT
Fail-safe
Cancellation
U1000: CAN COMM CIRCUIT
Inhibit engine cranking
When the BCM re-establishes communication with the other mod-
ules.
U1010: CONTROL UNIT (CAN)
Inhibit engine cranking
When the BCM re-start communicating with the other modules.
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION
3
• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL
4
• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL
2009 Pathfinder
DLK-146
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
BCM (BODY CONTROL MODULE)
CONSULT display
Fail-safe
Intelligent Key
warning lamp ON
Tire pressure
monitor warning
lamp ON
Reference page
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
—
—
—
U1010: CONTROL UNIT (CAN)
—
—
—
B2013: STRG COMM 1
—
—
—
B2190: NATS ANTTENA AMP
—
—
—
(with I-
(without I-Key)
B2191: DIFFERENCE OF KEY
—
—
—
(with I-
(without I-Key)
B2192: ID DISCORD BCM-ECM
—
—
—
(with I-
(without I-Key)
B2193: CHAIN OF BCM-ECM
—
—
—
(with I-
(without I-Key)
B2552: INTELLIGENT KEY
—
—
—
B2590: NATS MALFUNCTION
—
—
—
C1708: [NO DATA] FL
—
—
—
C1709: [NO DATA] FR
—
—
—
C1710: [NO DATA] RR
—
—
—
C1711: [NO DATA] RL
—
—
—
C1712: [CHECKSUM ERR] FL
—
—
—
C1713: [CHECKSUM ERR] FR
—
—
—
C1714: [CHECKSUM ERR] RR
—
—
—
C1715: [CHECKSUM ERR] RL
—
—
—
C1716: [PRESSDATA ERR] FL
—
—
—
C1717: [PRESSDATA ERR] FR
—
—
—
C1718: [PRESSDATA ERR] RR
—
—
—
C1719: [PRESSDATA ERR] RL
—
—
—
C1720: [CODE ERR] FL
—
—
—
C1721: [CODE ERR] FR
—
—
—
C1722: [CODE ERR] RR
—
—
—
C1723: [CODE ERR] RL
—
—
—
C1724: [BATT VOLT LOW] FL
—
—
—
C1725: [BATT VOLT LOW] FR
—
—
—
C1726: [BATT VOLT LOW] RR
—
—
—
C1727: [BATT VOLT LOW] RL
—
—
—
C1729: VHCL SPEED SIG ERR
—
—
—
C1735: IGNITION SWITCH
—
—
—
—
2009 Pathfinder
INTELLIGENT KEY UNIT
DLK-147
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
INTELLIGENT KEY UNIT
Reference Value - Intelligent Key Unit
INFOID:0000000003938255
TERMINAL LAYOUT
PHYSICAL VALUES
WIIA1168E
Terminal
Wire
Color
Item
Condition
Voltage (V)
Approx.
Ignition
Switch Po-
sition
Operation or Conditions
1
O
Steering lock sole-
noid power supply
LOCK
—
5
2
L
CAN-H
—
—
—
3
P
CAN-L
—
—
—
4
GR
Intelligent Key warn-
ing buzzer (front of
vehicle)
LOCK
Operate door request
switch.
Buzzer OFF
Battery voltage
Buzzer ON
0
5
LG
Front door request
switch LH
—
Press front door request switch LH.
0
Other than above
Battery voltage
6
W/G
Ignition switch (ON)
ON
—
Battery voltage
7
SB
Key switch
LOCK
Insert mechanical key into ignition key
cylinder.
Battery voltage
Remove mechanical key from ignition
key cylinder.
0
8
O
Remote keyless en-
try receiver ground
—
—
0
9
R
Remote keyless en-
try receiver signal
—
When remote keyless entry receiver re-
ceives signal from keyfob.
Stand-by
11
R/B
Power source (Fuse)
—
—
Battery voltage
12
B
Ground
—
—
0
OCC3879D
2009 Pathfinder
DLK-148
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
13
W
Inside key antenna 3
(3rd row seat) (+) sig-
nal
LOCK
Press ignition knob switch: ON (Ignition
knob switch)
14
BR
Inside key antenna 3
(3rd row seat) (-) sig-
nal
15
V
Inside key antenna 1
(instrument panel)
(+) signal
LOCK
Any door open
→
all doors closed
16
LG
Inside key antenna 1
(instrument panel) (-)
signal
17
R
Rear bumper anten-
na (+) signal
LOCK
Press back door request switch.
18
L
Rear bumper anten-
na (-) signal
19
Y
Front outside anten-
na LH (+) signal
LOCK
Press front door request switch LH.
20
W
Front outside anten-
na LH (-) signal
21
BR
Remote keyless en-
try receiver RSSI sig-
nal
—
—
23
SB
Back door control
unit signal
—
Back door release switch ON.
0
Back door release switch OFF.
Battery voltage
24
W
Back door opener
switch input
—
Back door opener switch ON.
0
Back door opener switch OFF.
5
25
R
Front door request
switch RH
—
Press front door request switch RH.
0
Other than above
Battery voltage
27
G
Ignition knob switch
—
Press ignition switch.
Battery voltage
Return ignition switch to LOCK position.
0
28
P
Unlock sensor
(driver side)
—
Door (driver side) is locked.
5
Door (driver side) is unlocked.
0
Terminal
Wire
Color
Item
Condition
Voltage (V)
Approx.
Ignition
Switch Po-
sition
Operation or Conditions
PIIB7441E
PIIB7441E
SIIA1910J
SIIA1910J
PIIA2344E
2009 Pathfinder
INTELLIGENT KEY UNIT
DLK-149
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Reference Value - Steering Lock Solenoid
INFOID:0000000003938256
TERMINAL LAYOUT
PHYSICAL VALUES
29
GR
Back door request
switch
—
Back door request switch ON.
0
Back door request switch OFF.
5
30
W
Remote keyless en-
try receiver power
supply
—
—
5
32
V
Steering lock sole-
noid communication
signal
LOCK
When Intelligent Key is inside vehicle,
press ignition knob switch.
Other than above
5
33
G
Inside key antenna 2
(center console) (+)
signal
LOCK
Any door open
→
all doors closed
34
R
Inside key antenna 2
(center console) (-)
signal
37
P
Front outside anten-
na (+) signal RH
LOCK
Press front door request switch RH.
38
V
Front outside anten-
na (-) signal RH
39
SB
P range switch
—
Selector lever is in “P” position.
0
Other than above
Battery voltage
40
R
AS select unlock out-
put
—
UNLOCK with rear door locks disabled.
0
Other than above
Battery voltage
Terminal
Wire
Color
Item
Condition
Voltage (V)
Approx.
Ignition
Switch Po-
sition
Operation or Conditions
SIIA1911J
PIIB7441E
SIIA1910J
WIIA1169E
2009 Pathfinder
DLK-150
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
Terminal
Wire
Color
Signal Designation
Condition
Voltage (V)
Approx.
Ignition
Switch Posi-
tion
Operation or Conditions
1
R/B
Power source (fuse)
LOCK
—
Battery voltage
2
O
Steering lock solenoid
power supply
LOCK
—
5
3
V
Steering lock solenoid
communication signal
LOCK
When Intelligent Key is inside ve-
hicle, press ignition knob switch.
Other than the above
5
4
SB
Steering lock solenoid
ground
—
—
0
SIIA1911J
2009 Pathfinder
INTELLIGENT KEY UNIT
DLK-151
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
Wiring Diagram — INTELLIGENT KEY SYSTEM —
INFOID:0000000003938257
ABKWA0114GB
2009 Pathfinder
DLK-152
< ECU DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
ABKWA0115GB
2009 Pathfinder
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