Nissan Teana J32. Manual — part 465

EC-398

< ECU DIAGNOSIS >

[VQ25DE, VQ35DE]

ECM

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

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
fifth cylinder

P0307

8FH

24H

Misfiring counter at 200 revolution of the
fifth cylinder

P0308

90H

24H

Misfiring counter at 200 revolution of the
fifth 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

ECM

EC-399

< ECU DIAGNOSIS >

[VQ25DE, VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

EC-400

< SYMPTOM DIAGNOSIS >

[VQ25DE, VQ35DE]

ENGINE CONTROL SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

ENGINE CONTROL SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000003856875

SYSTEM — BASIC ENGINE CONTROL SYSTEM

SYMPTOM

Reference
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

T

ION

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

EC-337

Fuel pressure regulator system

3

3

4

4

4

4

4

4

4

4

EC-411

Fuel injector circuit

1

1

2

3

2

2

2

2

EC-334

Evaporative emission system

3

3

4

4

4

4

4

4

4

4

EC-76

Air

Positive crankcase ventilation sys-
tem

3

3

4

4

4

4

4

4

4

4

1

EC-347

Incorrect idle speed adjustment

1

1

1

1

1

EC-11

Electric throttle control actuator

1

1

2

3

3

2

2

2

2

2

2

EC-296

,

EC-302

Ignition

Incorrect ignition timing adjustment

3

3

1

1

1

1

1

1

EC-11

Ignition circuit

1

1

2

2

2

2

2

2

EC-341

Power supply and ground circuit

2

2

3

3

3

3

3

2

3

EC-132

Mass air flow sensor circuit

1

1

2

2

2

2

2

2

EC-149

Engine coolant temperature sensor circuit

3

3

3

EC-157

Air fuel ratio (A/F) sensor 1 circuit

EC-163

,

EC-167

,

EC-170

,

EC-173

,

EC-318

Throttle position sensor circuit

2

2

EC-160

,

EC-206

,

EC-254

,

EC-256

,

EC-311

Accelerator pedal position sensor circuit

3

2

1

EC-243

,

EC-304

,

EC-307

,

EC-314

Knock sensor circuit

2

3

EC-215

ENGINE CONTROL SYSTEM SYMPTOMS

EC-401

< SYMPTOM DIAGNOSIS >

[VQ25DE, VQ35DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1 - 6: The numbers refer to the order of inspection.

(continued on the next figure)

SYSTEM — ENGINE MECHANICAL & OTHER

Crankshaft position sensor (POS) circuit

2

2

EC-218

Camshaft position sensor (PHASE) circuit

3

2

EC-222

Vehicle speed signal circuit

2

3

3

3

EC-234

Power steering pressure sensor circuit

2

3

3

EC-236

ECM

2

2

3

3

3

3

3

3

3

3

3

EC-238

,

EC-240

Intake valve timing control solenoid valve cir-
cuit

3

2

1

3

2

2

3

3

EC-146

PNP signal circuit

3

3

3

3

3

EC-245

VIAS control solenoid valve 1 circuit

1

EC-285

VIAS control solenoid valve 2 circuit

1

EC-288

Refrigerant pressure sensor circuit

2

3

3

4

EC-348

Electrical load signal circuit

3

EC-329

Air conditioner circuit

2

2

3

3

3

3

3

3

3

3

2

HAC-159

ABS actuator and electric unit (control unit)

4

BRC-80

SYMPTOM

Reference
page

HARD/NO S

T

A

R

T/RES

T

A

R

T (E

XCP

. HA)

E

N

GINE

ST

ALL

HES

IT

A

TION/SURGING/FLA

T

SPOT

S

P

ARK KNOC

K

/DET

O

NA

TI

ON

LACK OF

POWER/POOR ACCELERA

TION

HIG

H

IDL

E

/L

OW

ID

LE

ROUGH IDLE/HUNTING

ID

LING VI

BRA

T

ION

S

L

OW/NO RETU

RN

T

O

ID

LE

OVERHEA

T

S

/W

A

TER TEMPERA

T

URE HIG

H

E

X

CESSIVE

FUEL CON

S

UMP

T

ION

E

X

CESSIVE

OIL

C

O

NSUMP

T

ION

B

A

TTER

Y

DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA