Content .. 354 355 356 357 ..

Nissan Pathfinder (2010 year). Manual - 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

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]

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

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

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

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

2010 Pathfinder

ECM

EC-943

< ECU DIAGNOSIS >

[VK56DE]

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

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

2010 Pathfinder

ECM

EC-945

< ECU DIAGNOSIS >

[VK56DE]

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

EC-928, "DTC Index"

), 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

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

EC-549,

"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]

SYMPTOM DIAGNOSIS

ENGINE CONTROL SYSTEM SYMPTOMS

Symptom Matrix Chart

INFOID:0000000005257921

SYSTEM — BASIC ENGINE CONTROL SYSTEM

SYMPTOM

Refer-
ence page

HARD/NO ST

/REST

(EXCP

)

ENGINE ST

ALL

HESIT

TION/SURGING/FLA

SPOT

ARK KNOCK/DET

TION

LACK

OF POWER/

POOR

ACC

LERA

TION

HIGH IDL

E/LOW

IDLE

ROUG

H IDLE/HUNTING

IDLI

NG VIBRA

TION

SLOW

/NO RETURN T

IDLE

OVERHEA

S/W

TER TEMPERA

HIGH

EXCESS

IVE F

L CONSUMP

EXCESS

IVE OIL CONSUMP

ION

TTER

DEAD (UNDER CHARGE)

Warranty symptom code

AF AG AH

AM HA

Fuel

Fuel pump circuit

EC-878

Fuel pressure regulator system

EC-958

Fuel injector circuit

EC-875

Evaporative emission system

EC-531

Air

Positive crankcase ventilation sys-
tem

EC-891

Incorrect idle speed adjustment

EC-506

Electric throttle control actuator

EC-835
EC-838
EC-842
EC-844

Ignition

Incorrect ignition timing adjustment

EC-506

Ignition circuit

EC-881

Main power supply and ground circuit

EC-574

2010 Pathfinder

Content .. 354 355 356 357 ..