Nissan Pathfinder (2010 year). Instruction — part 356
EC-940
< ECU DIAGNOSIS >
[VK56DE]
ECM
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
HO2S
01H
Air fuel ratio (A/F) sensor 1
(Bank 1)
P0131
83H
0BH
Minimum sensor output voltage for test
cycle
P0131
84H
0BH
Maximum sensor output voltage for test
cycle
P0130
85H
0BH
Minimum sensor output voltage for test
cycle
P0130
86H
0BH
Maximum sensor output voltage for test
cycle
P0133
87H
04H
Response rate: Response ratio (Lean to
Rich)
P0133
88H
04H
Response rate: Response ratio (Rich to
Lean)
P2A00
89H
84H
The amount of shift in air fuel ratio
P2A00
8AH
84H
The amount of shift in air fuel ratio
P0130
8BH
0BH
Difference in sensor output voltage
P0133
8CH
83H
Response gain at the limited frequency
02H
Heated oxygen sensor 2
(Bank 1)
P0138
07H
0CH
Minimum sensor output voltage for test
cycle
P0137
08H
0CH
Maximum sensor output voltage for test
cycle
P0138
80H
0CH
Sensor output voltage
P0139
81H
0CH
Difference in sensor output voltage
03H
Heated oxygen sensor 3
(Bank 1)
P0143
07H
0CH
Minimum sensor output voltage for test
cycle
P0144
08H
0CH
Maximum sensor output voltage for test
cycle
P0146
80H
0CH
Sensor output voltage
P0145
81H
0CH
Difference in sensor output voltage
2010 Pathfinder
ECM
EC-941
< ECU DIAGNOSIS >
[VK56DE]
C
D
E
F
G
H
I
J
K
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M
A
EC
N
P
O
HO2S
05H
Air fuel ratio (A/F) sensor 1
(Bank 2)
P0151
83H
0BH
Minimum sensor output voltage for test
cycle
P0151
84H
0BH
Maximum sensor output voltage for test
cycle
P0150
85H
0BH
Minimum sensor output voltage for test
cycle
P0150
86H
0BH
Maximum sensor output voltage for test
cycle
P0153
87H
04H
Response rate: Response ratio (Lean to
Rich)
P0153
88H
04H
Response rate: Response ratio (Rich to
Lean)
P2A03
89H
84H
The amount of shift in air fuel ratio
P2A03
8AH
84H
The amount of shift in air fuel ratio
P0150
8BH
0BH
Difference in sensor output voltage
P0153
8CH
83H
Response gain at the limited frequency
06H
Heated oxygen sensor 2
(Bank 2)
P0158
07H
0CH
Minimum sensor output voltage for test
cycle
P0157
08H
0CH
Maximum sensor output voltage for test
cycle
P0158
80H
0CH
Sensor output voltage
P0159
81H
0CH
Difference in sensor output voltage
07H
Heated oxygen sensor 3
(Bank2)
P0163
07H
0CH
Minimum sensor output voltage for test
cycle
P0164
08H
0CH
Maximum sensor output voltage for test
cycle
P0166
80H
0CH
Sensor output voltage
P0165
81H
0CH
Difference in sensor output voltage
CATA-
LYST
21H
Three way catalyst function
(Bank1)
P0420
80H
01H
O2 storage index
P0420
82H
01H
Switching time lag engine exhaust index
value
P2423
83H
0CH
Difference in 3rd O2 sensor output volt-
age
P2423
84H
84H
O2 storage index in HC trap catalyst
22H
Three way catalyst function
(Bank2)
P0430
80H
01H
O2 storage index
P0430
82H
01H
Switching time lag engine exhaust index
value
P2424
83H
0CH
Difference in 3rd O2 sensor output volt-
age
P2424
84H
84H
O2 storage index in HC trap catalyst
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
2010 Pathfinder
EC-942
< ECU DIAGNOSIS >
[VK56DE]
ECM
EGR
SYSTEM
31H
EGR function
P0400
80H
96H
Low Flow Faults: EGR temp change
rate (short term)
P0400
81H
96H
Low Flow Faults: EGR temp change
rate (long term)
P0400
82H
96H
Low Flow Faults: Difference between
max EGR temp and EGR temp under
idling condition
P0400
83H
96H
Low Flow Faults: Max EGR temp
P1402
84H
96H
High Flow Faults: EGR temp increase
rate
VVT
SYSTEM
35H
VVT Monitor (Bank1)
P0011
80H
9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0014
81H
9DH
VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0011
82H
9DH
VTC intake function diagnosis (VTC
drive failure diagnosis)
P0014
83H
9DH
VTC exhaust function diagnosis (VTC
drive failure diagnosis)
36H
VVT Monitor (Bank2)
P0021
80H
9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0024
81H
9DH
VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0021
82H
9DH
VTC intake function diagnosis (VTC
drive failure diagnosis)
P0024
83H
9DH
VTC exhaust function diagnosis (VTC
drive failure diagnosis)
EVAP
SYSTEM
39H
EVAP control system leak
(Cap Off)
P0455
80H
0CH
Difference in pressure sensor output
voltage before and after pull down
3BH
EVAP control system leak
(Small leak)
P0442
80H
05H
Leak area index (for more than 0.04
inch)
3CH
EVAP control system leak
(Very small leak)
P0456
80H
05H
Leak area index (for more than 0.02
inch)
P0456
81H
FDH
Maximum internal pressure of EVAP
system during monitoring
3DH
Purge flow system
P0441
83H
0CH
Difference in pressure sensor output
voltage before and after vent control
valve close
O2 SEN-
SOR
HEATER
41H
A/F sensor 1 heater
(Bank 1)
Low Input:P0031
High Input:P0032
81H
0BH
Converted value of Heater electric cur-
rent to voltage
42H
Heated oxygen sensor 2 heat-
er (Bank 1)
Low Input:P0037
High Input:P0038
80H
0CH
Converted value of Heater electric cur-
rent to voltage
43H
Heated oxygen sensor 3 heat-
er (Bank 1)
P0043
80H
0CH
Converted value of Heater electric cur-
rent to voltage
45H
A/F sensor 1 heater
(Bank 2)
Low Input:P0051
High Input:P0052
81H
0BH
Converted value of Heater electric cur-
rent to voltage
46H
Heated oxygen sensor 2 heat-
er (Bank 2)
Low Input:P0057
High Input:P0058
80H
0CH
Converted value of Heater electric cur-
rent to voltage
47H
Heated oxygen sensor 3 heat-
er (Bank 2)
P0063
80H
0CH
Converted value of Heater electric cur-
rent to voltage
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
2010 Pathfinder
ECM
EC-943
< ECU DIAGNOSIS >
[VK56DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
SEC-
OND-
ARY AIR
71H
Secondary Air system
P0411
80H
01H
Secondary Air Injection System Incor-
rect Flow Detected
Bank1: P0491
Bank2: P0492
81H
01H
Secondary Air Injection System Insuffi-
cient Flow
P2445
82H
01H
Secondary Air Injection System Pump
Stuck Off
P2448
83H
01H
Secondary Air Injection System High
Airflow
Bank1: P2440
Bank2: P2442
84H
01H
Secondary Air Injection System Switch-
ing Valve Stuck Open
P2440
85H
01H
Secondary Air Injection System Switch-
ing Valve Stuck Open
P2444
86H
01H
Secondary Air Injection System Pump
Stuck On
FUEL
SYSTEM
81H
Fuel injection system function
(Bank 1)
P0171 or P0172
80H
2FH
Long term fuel trim
P0171 or P0172
81H
24H
The number of lambda control clamped
82H
Fuel injection system function
(Bank 2)
P0174 or P0175
80H
2FH
Long term fuel trim
P0174 or P0175
81H
24H
The number of lambda control clamped
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
2010 Pathfinder
EC-944
< ECU DIAGNOSIS >
[VK56DE]
ECM
MISFIRE
A1H
Multiple Cylinder Misfires
P0301
80H
24H
Misfiring counter at 1000 revolution of
the first cylinder
P0302
81H
24H
Misfiring counter at 1000 revolution of
the second cylinder
P0303
82H
24H
Misfiring counter at 1000 revolution of
the third cylinder
P0304
83H
24H
Misfiring counter at 1000 revolution of
the fourth cylinder
P0305
84H
24H
Misfiring counter at 1000 revolution of
the fifth cylinder
P0306
85H
24H
Misfiring counter at 1000 revolution of
the sixth cylinder
P0307
86H
24H
Misfiring counter at 1000 revolution of
the seventh cylinder
P0308
87H
24H
Misfiring counter at 1000 revolution of
the eighth cylinder
P0300
88H
24H
Misfiring counter at 1000 revolution of
the multiple cylinders
P0301
89H
24H
Misfiring counter at 200 revolution of the
first cylinder
P0302
8AH
24H
Misfiring counter at 200 revolution of the
second cylinder
P0303
8BH
24H
Misfiring counter at 200 revolution of the
third cylinder
P0304
8CH
24H
Misfiring counter at 200 revolution of the
fourth cylinder
P0305
8DH
24H
Misfiring counter at 200 revolution of the
fifth cylinder
P0306
8EH
24H
Misfiring counter at 200 revolution of the
sixth cylinder
P0307
8FH
24H
Misfiring counter at 200 revolution of the
seventh cylinder
P0308
90H
24H
Misfiring counter at 200 revolution of the
eighth cylinder
P0300
91H
24H
Misfiring counter at 1000 revolution of
the single cylinder
P0300
92H
24H
Misfiring counter at 200 revolution of the
single cylinder
P0300
93H
24H
Misfiring counter at 200 revolution of the
multiple cylinders
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
2010 Pathfinder
ECM
EC-945
< ECU DIAGNOSIS >
[VK56DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC
WITH CONSULT-III
NOTE:
•
If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once.
Wait at least 10 seconds and then turn it ON (engine stopped) again.
•
If the DTC is not for A/T related items (see
), skip step 1.
1. Perform “HOW TO ERASE DTC” in
TM-34, "OBD-II Diagnostic Trouble Code (DTC)"
. (The DTC in TCM
will be erased)
2. Select “ENGINE” with CONSUILT-III.
MISFIRE
A2H
No.1 Cylinder Misfire
P0301
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0301
0CH
24H
Misfire counts for last/current driving cy-
cles
A3H
No.2 Cylinder Misfire
P0302
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0302
0CH
24H
Misfire counts for last/current driving cy-
cles
A4H
No.3 Cylinder Misfire
P0303
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0303
0CH
24H
Misfire counts for last/current driving cy-
cles
A5H
No.4 Cylinder Misfire
P0304
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0304
0CH
24H
Misfire counts for last/current driving cy-
cles
A6H
No.5 Cylinder Misfire
P0305
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0305
0CH
24H
Misfire counts for last/current driving cy-
cles
A7H
No.6 Cylinder Misfire
P0306
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0306
0CH
24H
Misfire counts for last/current driving cy-
cles
A8H
No.7 Cylinder Misfire
P0307
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0307
0CH
24H
Misfire counts for last/current driving cy-
cles
A9H
No.8 Cylinder Misfire
P0308
0BH
24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0308
0CH
24H
Misfire counts for last/current driving cy-
cles
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
2010 Pathfinder
EC-946
< ECU DIAGNOSIS >
[VK56DE]
ECM
3. Select “SELF DIAGNOSTIC RESULT”.
4. Touch “ERASE”. (DTC in ECM will be erased.)
WITH GST
NOTE:
•
If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once.
Wait at least 10 seconds and then turn it ON (engine stopped) again.
1. Select Service $04 with GST (Generic Scan Tool).
No Tools
NOTE:
•
If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once.
Wait at least 10 seconds and then turn it ON (engine stopped) again.
1. Erase DTC in ECM. Refer to “How to Erase Diagnostic Test Mode II (Self-Diagnostic Results)” in
"Malfunction Indicator Lamp (MIL)"
•
If the battery is disconnected, the emission-related diagnostic information will be cleared within 24
hours.
•
The following data are cleared when the ECM memory is erased.
- Diagnostic trouble codes
- 1st trip diagnostic trouble codes
- Freeze frame data
- 1st trip freeze frame data
- System readiness test (SRT) codes
- Test values
Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all
of the data listed above, are cleared from the ECM memory during work procedures.
2010 Pathfinder
ENGINE CONTROL SYSTEM SYMPTOMS
EC-947
< SYMPTOM DIAGNOSIS >
[VK56DE]
C
D
E
F
G
H
I
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K
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M
A
EC
N
P
O
SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM SYMPTOMS
Symptom Matrix Chart
INFOID:0000000005257921
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Refer-
ence page
HARD/NO ST
AR
T
/REST
AR
T
(EXCP
.
H
A
)
ENGINE ST
ALL
HESIT
A
TION/SURGING/FLA
T
SPOT
SP
ARK KNOCK/DET
O
NA
TION
LACK
OF POWER/
POOR
ACC
E
LERA
TION
HIGH IDL
E/LOW
IDLE
ROUG
H IDLE/HUNTING
IDLI
NG VIBRA
TION
SLOW
/NO RETURN T
O
IDLE
OVERHEA
T
S/W
A
TER TEMPERA
T
UR
E
HIGH
EXCESS
IVE F
U
E
L CONSUMP
T
IO
N
EXCESS
IVE OIL CONSUMP
T
ION
BA
TTER
Y
DEAD (UNDER CHARGE)
Warranty symptom code
AA
AB
AC
AD
AE
AF AG AH
AJ
AK
AL
AM HA
Fuel
Fuel pump circuit
1
1
2
3
2
2
2
3
2
Fuel pressure regulator system
3
3
4
4
4
4
4
4
4
4
Fuel injector circuit
1
1
2
3
2
2
2
2
Evaporative emission system
3
3
4
4
4
4
4
4
4
4
Air
Positive crankcase ventilation sys-
tem
3
3
4
4
4
4
4
4
4
4
1
Incorrect idle speed adjustment
1
1
1
1
1
Electric throttle control actuator
1
1
2
3
3
2
2
2
2
2
2
Ignition
Incorrect ignition timing adjustment
3
3
1
1
1
1
1
1
Ignition circuit
1
1
2
2
2
2
2
2
Main power supply and ground circuit
2
2
3
3
3
3
3
2
3
2010 Pathfinder
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