Nissan Pathfinder (2011 year). Manual — part 545
INTELLIGENT KEY UNIT
SEC-67
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
13
W
Luggage area anten-
na (+) signal
LOCK
Press ignition knob switch: ON (Ignition
knob switch)
14
BR
Luggage area anten-
na (-) signal
15
V
Instrument panel
area antenna (+) sig-
nal
LOCK
Any door open
→
all doors closed
16
LG
Instrument panel
area antenna (-) sig-
nal
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
2011 Pathfinder
SEC-68
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
Reference Value - Steering Lock Solenoid
INFOID:0000000006246268
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
Center console area
antenna (+) signal
LOCK
Any door open
→
all doors closed
34
R
Center console area
antenna (-) 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
2011 Pathfinder
INTELLIGENT KEY UNIT
SEC-69
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Fail Safe
INFOID:0000000006246270
Fail-safe operation
The Intelligent Key system operation will be interrupted if the Intelligent Key unit loses power or communica-
tion with the BCM.
DTC Inspection Priority Chart
INFOID:0000000006246271
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
DTC Index
INFOID:0000000006246272
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.
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
Priority
DTC
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
• B2552: INTELLIGENT KEY
2
• B2013: STRG COMM 1
• B2590: NATS MALFUNCTION
CONSULT display
Detection condition
Fail-safe
Diagnosis
No DTC is detected.
further testing
may be required.
—
—
—
U1000: CAN COMM CIRCUIT
Intelligent Key unit cannot receive CAN communi-
cation signal continuously for 2 seconds or more.
—
Check CAN communi-
cation system.
Refer to
U1010: CONTROL UNIT (CAN)
Intelligent Key unit detects internal CAN communi-
cation circuit malfunction.
—
Replace Intelligent Key
unit. Refer to
.
2011 Pathfinder
SEC-70
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY UNIT
B2013: STRG COMM 1
The ID verification result between Intelligent Key
unit and steering lock solenoid are NG. Or Intelligent
Key unit cannot communicate with steering lock so-
lenoid.
×
Perform steering lock
unit ID registration with
CONSULT-III
B2552: INTELLIGENT KEY
Intelligent Key unit internal malfunction.
×
Replace Intelligent Key
unit. Refer to
.
B2590: NATS MALFUNCTION
The ID verification result between Intelligent Key
unit and BCM are NG. Or Intelligent Key unit cannot
communicate with BCM.
×
CONSULT display
Detection condition
Fail-safe
Diagnosis
2011 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-71
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference Value
INFOID:0000000006767017
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
MOTOR FAN REQ
Engine idle speed
Changes depending on engine
coolant temperature, air conditioner
operation status, vehicle speed,
etc.
1, 2, 3, 4
AC COMP REQ
A/C switch OFF
Off
A/C switch ON
On
TAIL&CLR REQ
Lighting switch OFF
Off
Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)
On
HL LO REQ
Lighting switch OFF
Off
Lighting switch 2ND HI or AUTO (Light is illuminated)
On
HL HI REQ
Lighting switch OFF
Off
Lighting switch HI
On
FR FOG REQ
Lighting switch 2ND or AUTO (Light
is illuminated)
Front fog lamp switch OFF
Off
• Front fog lamp switch ON
• Daytime light activated (Canada
only)
On
FR WIP REQ
Ignition switch ON
Front wiper switch OFF
Stop
Front wiper switch INT
1LOW
Front wiper switch LO
Low
Front wiper switch HI
Hi
WIP AUTO STOP
Ignition switch ON
Front wiper stop position
STOP P
Any position other than front wiper
stop position
ACT P
WIP PROT
Ignition switch ON
Front wiper operates normally
Off
Front wiper stops at fail-safe opera-
tion
BLOCK
ST RLY REQ
Ignition switch OFF or ACC
Off
Ignition switch START
On
IGN RLY
Ignition switch OFF or ACC
Off
Ignition switch ON
On
RR DEF REQ
Rear defogger switch OFF
Off
Rear defogger switch ON
On
OIL P SW
Ignition switch OFF, ACC or engine running
Open
Ignition switch ON
Close
DTRL REQ
Daytime light system requested OFF with CONSULT-III.
Off
Daytime light system requested ON with CONSULT-III.
On
THFT HRN REQ
Not operated
Off
• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-
TEM
On
2011 Pathfinder
SEC-72
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Terminal Layout
INFOID:0000000006767018
NOTE:
Numbers preceded by an "F" represent the fuse numbers imprinted on the IPDM E/R. The other numbers rep-
resent the fuse numbers as they appear in the wiring diagrams.
HORN CHIRP
Not operated
Off
Door locking with keyfob or Intelligent Key (if equipped) (horn chirp mode) On
Monitor Item
Condition
Value/Status
AAMIA0386GB
2011 Pathfinder
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
SEC-73
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
Physical Values
INFOID:0000000006767019
PHYSICAL VALUES
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition
1
W
Battery power supply
Input
OFF
—
Battery voltage
2
R
Battery power supply
Input
OFF
—
Battery voltage
3
G
ECM relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
4
P
ECM relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
6
V
Throttle control motor
relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
7
BR
ECM relay control
Input
—
Ignition switch ON or START
0V
Ignition switch OFF or ACC
Battery voltage
8
W/R
Fuse 54
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
10
R/B
Fuse 45
Output
ON
Daytime light system active
0V
Daytime light system inactive
Battery voltage
11
Y
A/C compressor
Output
ON or
START
A/C switch ON or defrost A/C
switch
Battery voltage
A/C switch OFF or defrost A/C
switch
0V
12
W/G
Ignition switch sup-
plied power
Input
—
OFF or ACC
0V
ON or START
Battery voltage
13
R
Fuel pump relay
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
14
W/G
Fuse 49
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
15
W/R
Fuse 50 (ABS)
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
16
W/G
Fuse 51
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
17
W/G
Fuse 55
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
19
W
Starter motor
Output
START
—
Battery voltage
20
BR
Cooling fan motor
(low)
Output
ON or
START
—
Battery voltage
21
GR
Ignition switch sup-
plied power
Input
—
OFF or ACC
0V
START
Battery voltage
22
G
Battery power supply
Output
OFF
—
Battery voltage
23
LG
Door mirror defogger
output signal
Output
—
When rear defogger switch is
ON
Battery voltage
When raker defogger switch is
OFF
0V
2011 Pathfinder
SEC-74
< ECU DIAGNOSIS INFORMATION >
[WITH INTELLIGENT KEY SYSTEM]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
24
P
Cooling fan motor
(high)
Output
—
Conditions correct for cooling
fan operation
Battery voltage
Conditions not correct for
cooling fan operation
0V
27
W
Fuse 38
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
28
R
LH front parking and
front side marker lamp
Output
OFF
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
29
G
Trailer tow relay
Output
ON
Lighting
switch 1st po-
sition
OFF
0V
ON
Battery voltage
30
R/B
Fuse 53
Output
—
Ignition switch ON or START
Battery voltage
Ignition switch OFF or ACC
0V
32
GR
Wiper low speed sig-
nal
Output
ON or
START
Wiper switch
OFF
Battery voltage
LO or INT
0V
35
L
Wiper high speed sig-
nal
Output
ON or
START
Wiper switch
OFF, LO, INT
Battery voltage
HI
0V
37
Y
Power generation
command signal
Output
—
Ignition switch ON
6.3 V
40% is set on "Active test,"
"ALTERNATOR DUTY" of
"ENGINE"
3.8 V
40% is set on "Active test,"
"ALTERNATOR DUTY" of
"ENGINE"
1.4 V
38
B
Ground
Input
—
—
0V
39
L
CAN-H
—
ON
—
—
40
P
CAN-L
—
ON
—
—
42
GR
Oil pressure switch
Input
—
Engine running
Battery voltage
Engine stopped
0V
Terminal
Wire
color
Signal name
Signal
input/
output
Measuring condition
Reference value
(Approx.)
Igni-
tion
switch
Operation or condition
JPMIA0001GB
JPMIA0002GB
JPMIA0003GB
2011 Pathfinder
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