Nissan Altima L32. Manual - part 611

ECM

EC-1565

< ECU DIAGNOSIS >

[VQ35DE]

C

D

E

F

G

H

I

J

K

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M

A

EC

N

P

O

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

EC-1566

< ECU DIAGNOSIS >

[VQ35DE]

ECM

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

ENGINE CONTROL SYSTEM SYMPTOMS

EC-1567

< SYMPTOM DIAGNOSIS >

[VQ35DE]

C

D

E

F

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EC

N

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SYMPTOM DIAGNOSIS

ENGINE CONTROL SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000004362398

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-1486

Fuel  pressure  regulator  system

3

3

4

4

4

4

4

4

4

4

EC-1579

Fuel  injector  circuit

1

1

2

3

2

2

2

2

EC-1483

Evaporative  emission  system

3

3

4

4

4

4

4

4

4

4

EC-1116

Air

Positive crankcase ventilation sys-
tem

3

3

4

4

4

4

4

4

4

4

1

EC-1502

Incorrect idle speed adjustment

1

1

1

1

1

EC-1048

Electric  throttle  control  actuator

1

1

2

3

3

2

2

2

2

2

2

EC-1439

, 

EC-1446

Ignition Incorrect  ignition  timing  adjustment

3

3

1

1

1

1

1

1

EC-1048

Ignition  circuit

1

1

2

2

2

2

2

2

EC-1491

Power  supply  and  ground  circuit

2

2

3

3

3

3

3

2

3

EC-1175

Mass air flow sensor circuit

1

1

2

2

2

2

2

2

EC-1194

, 

EC-1201

Engine coolant temperature sensor circuit

3

3

3

EC-1212

, 

EC-1218

Air fuel ratio (A/F) sensor 1 circuit

EC-1225

, 

EC-1229

, 

EC-1233

, 

EC-1237

, 

EC-1463

Throttle position sensor circuit

2

2

EC-1215

, 

EC-1280

, 

EC-1392

, 

EC-1394

, 

EC-1455

Accelerator pedal position sensor circuit

3

2

1

EC-1379

, 

EC-1448

, 

EC-1451

, 

EC-1458

EC-1568

< SYMPTOM DIAGNOSIS >

[VQ35DE]

ENGINE CONTROL SYSTEM SYMPTOMS

1 - 6: The numbers refer to the order of inspection.
(continued on next page)

SYSTEM — ENGINE MECHANICAL & OTHER

Knock sensor circuit

2

3

EC-1289

Crankshaft position sensor (POS) circuit

2

2

EC-1292

Camshaft position sensor (PHASE) circuit

3

2

EC-1296

Vehicle speed signal circuit

2

3

3

3

EC-1365

Power steering pressure sensor circuit

2

3

3

EC-1371

ECM

2

2

3

3

3

3

3

3

3

3

3

EC-1374

, 

EC-1376

Intake valve timing control solenoid valve cir-
cuit

3

2

1

3

2

2

3

3

EC-1191

PNP signal circuit

3

3

3

3

3

EC-1382

VIAS control solenoid valve 1 circuit

1

EC-1428

VIAS control solenoid valve 2 circuit

1

EC-1431

Refrigerant pressure sensor circuit

2

3

3

4

EC-1503

Electrical load signal circuit

3

EC-1478

Air  conditioner  circuit

2

2

3

3

3

3

3

3

3

3

2

HAC-21

, 

HAC-114

ABS actuator and electric unit (control unit)

4

BRC-149

SYMPTOM

Reference 
page

HARD/NO S

TA

R

T/RES

TA

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

LOW/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