Nissan Pathfinder (2011 year). Instruction — part 480
LAN
CAN COMMUNICATION SYSTEM
LAN-53
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Check CAN system type from the vehicle shape and equipment.
CAN Communication Signal Chart
INFOID:0000000006247785
LAN-13, "How to Use CAN Communication Signal Chart"
for how to use CAN communication signal
chart.
NOTE:
for the abbreviations of the connecting units.
T: Transmit R: Receive
ALMIA0184GB
Signal name/Connecting unit
ECM
TCM
AV
I-KEY
4W
D
*1
4W
D
*2
ADP
BCM
HV
AC
*3
M&A
STRG
ABS
IPDM
-E
A/C compressor request signal
T
R
Accelerator pedal position signal
T
R
R
R
ASCD CRUISE lamp signal
T
R
ASCD OD cancel request signal
T
R
ASCD operation signal
T
R
ASCD SET lamp signal
T
R
2011 Pathfinder
LAN-54
< SYSTEM DESCRIPTION >
[CAN]
CAN COMMUNICATION SYSTEM
Battery voltage signal
T
R
Closed throttle position signal
T
R
Cooling fan speed request signal
T
R
Engine coolant temperature signal
T
R
R
Engine speed signal
T
R
R
R
R
R
R
R
R
Engine status signal
T
R
Fuel consumption monitor signal
T
R
R
T
Malfunction indicator lamp signal
T
R
Power generation command value signal
T
R
Wide open throttle position signal
T
R
A/T fluid temperature sensor signal
T
R
A/T position indicator lamp signal
T
R
R
R
R
R
A/T self-diagnosis signal
R
T
Input speed signal
R
T
O/D OFF indicator signal
T
R
Output shaft revolution signal
R
T
R
R
P range signal
T
R
R
R
System setting signal
T
R
R
R
R
T
T
T
A/C switch/indicator signal
T
R
R
T
Buzzer output signal
T
R
T
R
Door lock/unlock request signal
T
R
Hazard request signal
T
R
Hazard warning lamp request signal
T
R
Ignition knob switch signal
T
R
Key fob ID signal
T
R
R
R
T
KEY warning signal
T
R
LOCK warning signal
T
R
Panic alarm request signal
T
R
Power window open request signal
T
R
A/C switch signal
R
T
R
Blower fan motor switch signal
R
T
Day time running light request signal
T
R
R
Door lock/unlock status signal
R
T
Door switch signal
R
R
R
T
R
R
Front fog light request signal
T
R
R
Front wiper request signal
T
R
High beam request signal
T
R
R
Horn chirp signal
T
R
Signal name/Connecting unit
ECM
TCM
AV
I-KEY
4W
D
*1
4W
D
*2
ADP
BCM
HV
A
C
*3
M&A
STRG
ABS
IPDM
-E
2011 Pathfinder
LAN
CAN COMMUNICATION SYSTEM
LAN-55
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
• *1: Part time 4WD models
• *2: All-mode 4WD models
• *3: Models with automatic air conditioner
• *4: Models without instruction mode
• *5: Models with instruction mode
• *6: Models with hill descent control
NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.
Ignition switch signal
R
R
T
R
Key fob door unlock signal
R
T
Key switch signal
R
T
Low beam request signal
T
R
Position light request signal
T
R
R
Rear window defogger switch signal
T
R
Sleep wake up signal
R
T
R
R
Theft warning horn request signal
T
R
Tire pressure data signal
R
T
Tire pressure signal
R
T
R
Turn indicator signal
T
R
1st position switch signal
*4
R
T
Distance to empty signal
R
T
Fuel level low warning signal
R
T
Fuel level sensor signal
R
T
Instruction mode shift down signal
*5
R
T
Instruction mode shift up signal
*5
R
T
Instruction mode signal
*5
R
T
Non-instruction mode signal
*5
R
T
Overdrive control switch signal
*4
R
T
Seat belt buckle switch signal
R
T
Stop lamp switch signal
R
R
R
T
R
T
Vehicle speed signal
R
R
R
R
R
R
R
T
R
R
R
R
R
T
Steering angle sensor signal
T
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
Hill descent control indicator lamp signal
*6
R
T
SLIP indicator lamp signal
R
T
VDC OFF indicator lamp signal
R
T
Front wiper stop position signal
R
T
High beam status signal
R
T
Low beam status signal
R
T
Rear window defogger control signal
R
R
T
Signal name/Connecting unit
ECM
TCM
AV
I-KEY
4W
D
*1
4W
D
*2
ADP
BCM
HV
A
C
*3
M&A
STRG
ABS
IPDM
-E
2011 Pathfinder
LAN-56
< SYSTEM DESCRIPTION >
[CAN]
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
CAN Diagnostic Support Monitor
INFOID:0000000006247786
Use “CAN DIAG SUPPORT MNTR” for detecting the root cause.
MONITOR ITEM LIST (CONSULT-III)
ECM
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
TCM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
AV Control Unit
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
ECM
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
VDC/TCS/ABS
Signal receiving status from the ABS actua-
tor and electric unit (control unit)
METER/M&A
Signal receiving status from the combina-
tion meter
BCM/SEC
Signal receiving status from the BCM
ICC/ADAS
Not used even though indicated
HVAC
TCM
Signal receiving status from the TCM
OK
OK
or
1 – 39
*
UNKWN
0
MULTI AV
Not used even though indicated
EPS
IPDM E/R
Signal receiving status from the IPDM E/R
OK
OK
or
1 – 39
*
UNKWN
0
e4WD
Not used even though indicated
AWD/4WD
Signal receiving status from the transfer
control unit
OK
OK
or
1 – 39
*
UNKWN
0
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
TCM
INITIAL DIAG
Status of CAN controller
OK
NG
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
VDC/TCS/ABS
Signal receiving status from the ABS actuator and electric unit (con-
trol unit)
METER/M&A
Signal receiving status from the combination meter
ICC/e4WD
Not used even though indicated
AWD/4WD
Signal receiving status from the transfer control unit
OK
UNKWN
2011 Pathfinder
LAN
TROUBLE DIAGNOSIS
LAN-57
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Intelligent Key Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Transfer Control Unit (All-mode 4WD)
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Transfer Control Unit (Part Time 4WD)
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
AV
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
METER/M&A
Signal receiving status from the combina-
tion meter
BCM/SEC
Signal receiving status from the BCM
HVAC
Signal receiving status from the A/C auto
amp.
STRG
Not used even though indicated
IPDM E/R
Signal receiving status from the IPDM E/R
OK
OK
or
1 – 39
*
UNKWN
0
TIRE-P
Not used even though indicated
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
I-KEY
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
METER/M&A
Signal receiving status from the combina-
tion meter
BCM/SEC
Signal receiving status from the BCM
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
4WD
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
VDC/TCS/ABS
Signal receiving status from the ABS actua-
tor and electric unit (control unit)
TCM
Signal receiving status from the TCM
STRG
Signal receiving status from the steering an-
gle sensor
2011 Pathfinder
LAN-58
< SYSTEM DESCRIPTION >
[CAN]
TROUBLE DIAGNOSIS
Driver Seat Control Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
BCM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
A/C Auto Amp.
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
4WD
INITIAL DIAG
Status of CAN controller
OK
NG
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
VDC/TCS/ABS
Signal receiving status from the ABS actuator and electric unit (con-
trol unit)
TCM
Signal receiving status from the TCM
METER/M&A
Signal receiving status from the combination meter
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
ADP
TRANSMIT DIAG
Not used even though indicated
METER/M&A
Signal receiving status from the combina-
tion meter
OK
OK
or
1 – 39
*
UNKWN
0
BCM/SEC
Signal receiving status from the BCM
TCM
Signal receiving status from the TCM
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
BCM
INITIAL DIAG
Status of CAN controller
OK
NG
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
IPDM E/R
Signal receiving status from the IPDM E/R
METER/M&A
Signal receiving status from the combination meter
I-KEY
Not used even though indicated
2011 Pathfinder
LAN
TROUBLE DIAGNOSIS
LAN-59
< SYSTEM DESCRIPTION >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Combination Meter
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
ABS Actuator and Electric Unit (Control Unit)
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
HVAC
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
TCM
Not used even though indicated
BCM/SEC
Signal receiving status from the BCM
OK
OK
or
1 – 39
*
UNKWN
0
VDC/TCS/ABS
Signal receiving status from the ABS actua-
tor and electric unit (control unit)
IPDM E/R
Not used even though indicated
DISPLAY
Signal receiving status from the AV control
unit
OK
OK
or
1 – 39
*
UNKWN
0
I-KEY
Not used even though indicated
EPS
AWD/4WD
e4WD
ICC/ADAS
LANE CAMERA
TIRE-P
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
M&A
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
TCM
Signal receiving status from the TCM
BCM/SEC
Signal receiving status from the BCM
VDC/TCS/ABS
Signal receiving status from the ABS actua-
tor and electric unit (control unit)
IPDM E/R
Signal receiving status from the IPDM E/R
DISPLAY
Not used even though indicated
I-KEY
Signal receiving status from the Intelligent
Key unit
OK
OK
or
1 – 39
*
UNKWN
0
EPS
Not used even though indicated
AWD/4WD
e4WD
ICC/ADAS
LANE CAMERA
TIRE-P
2011 Pathfinder
LAN-60
< SYSTEM DESCRIPTION >
[CAN]
TROUBLE DIAGNOSIS
CAUTION:
Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures.
IPDM E/R
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF
→
ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
DTC Index
INFOID:0000000006247787
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
ABS
INITIAL DIAG
Status of CAN controller
OK
NG
Caution
TRANSMIT DIAG
Signal transmission status
UNKWN
ECM
Signal receiving status from the ECM
TCM
Signal receiving status from the TCM
METER/M&A
Not used even though indicated
STRG
Signal receiving status from the steering angle sensor
OK
UNKWN
ICC/ADAS
Not used even though indicated
AWD/4WD
Signal receiving status from the transfer control unit
OK
UNKWN
ITEM
CAN DIAG SUP-
PORT MNTR
Description
Normal
Error
PRSNT
PAST
PRSNT
PAST
IPDM-E
TRANSMIT DIAG
Signal transmission status
OK
OK
or
1 – 39
*
UNKWN
0
ECM
Signal receiving status from the ECM
BCM/SEC
Signal receiving status from the BCM
DTC
Self-diagnosis item
(CONSULT-III indication)
DTC detection condition
Inspection/Action
U0101
LOST COMM (TCM)
When ECM is not transmitting or receiving CAN commu-
nication signal of OBD (emission-related diagnosis) from
TCM for 2 seconds or more.
U0140
LOST COMM (BCM)
When ECM is not transmitting or receiving CAN commu-
nication signal of OBD (emission-related diagnosis) from
BCM for 2 seconds or more.
U0164
LOST COMM (HVAC)
When ECM is not transmitting or receiving CAN commu-
nication signal of OBD (emission-related diagnosis) from
A/C auto amp. or unified meter and A/C amp. for 2 sec-
onds or more.
U1000
CAN COMM CIRCUIT
ECM
When ECM is not transmitting or receiving
CAN communication signal of OBD (emission-
related diagnosis) for 2 seconds or more.
Except
for ECM
When a control unit (except for ECM) is not
transmitting or receiving CAN communication
signal for 2 seconds or more.
U1001
CAN COMM CIRCUIT
When ECM is not transmitting or receiving CAN commu-
nication signal other than OBD (emission-related diagno-
sis) for 2 seconds or more.
U1002
SYSTEM COMM
When a control unit is not transmitting or receiving CAN
communication signal for 2 seconds or less.
Start the inspection. Refer
to the applicable section
of the indicated control
unit.
U1010
CONTROL UNIT(CAN)
When an error is detected during the initial diagnosis for
CAN controller of each control unit.
Replace the control unit
indicating “U1010” or
“P0607”.
P0607
ECM
2011 Pathfinder
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