Nissan Frontier D40. Manual - part 456

 

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Nissan Frontier D40. Manual - part 456

 

 

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-515

< FUNCTION DIAGNOSIS >

[VQ40DE]

C

D

E

F

G

H

I

J

K

L

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-516

< FUNCTION DIAGNOSIS >

[VQ40DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION

How to Erase DTC and 1st Trip DTC

 With CONSULT-III

NOTE:
• If the ignition switch stays ON after rpair work, be sure to turn ignition 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-919, "DTC Index"

), skip step 1.

1.

Erase DTC in TCM. Refer to 

TM-149, "OBD-II Diagnostic Trouble Code (DTC)"

.

2.

Select “ENGINE” with CONSULT-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

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-517

< FUNCTION DIAGNOSIS >

[VQ40DE]

C

D

E

F

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M

A

EC

N

P

O

3.

Select “SELF-DIAG RESULTS”.

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).

2.

Change the diagnostic test mode from Mode II to Mode I by depressing the accelerator pedal.

• If the battery is disconnected, the emission-related diagnostic information will be lost 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.

How to Erase Permanent DTC

When a DTC is stored in ECM

• When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL shutoff if the same mal-

function is not detected after performing the driving pattern for MIL shutoff three times in a raw.

When a DTC is not stored in ECM

• The erasing method depends on a permanent DTC stored in ECM. Refer to the following table.

*1:

When the same malfunction is de-
tected in two consecutive trips, MIL 
will illuminate.

*2:

MIL will turn off after vehicle is driven 
3 times (pattern B) without any mal-
functions.

JSBIA0063GB

EC-518

< FUNCTION DIAGNOSIS >

[VQ40DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

×

: Applicable —: Not applicable

*: For group, refer to 

EC-501, "Emission-related Diagnostic Information"

, “EMISSION-RELATED DIAGNOSTIC INFORMATION

ITEMS”.

Group A

1.

Turn ignition switch OFF and wait at least 10 seconds.

2.

Turn ignition switch ON.

3.

Turn ignition switch OFF and wait at least 10 seconds.

4.

Turn ignition switch ON.

5.

Check permanent DTC. Refer to 

EC-501, "Emission-related Diagnostic Information"

, “How to Display Per-

manent DTC Status”.

6.

Perform “DTC CONFIRMATION PROCEDURE” for DTCs which are the same as permanent DTCs stored
in ECM.

7.

Turn ignition switch OFF and wait at least 10 seconds.

8.

Turn ignition switch ON.

9.

Turn ignition switch OFF and wait at least 10 seconds.

10. Turn ignition switch ON.
11. Check permanent DTC. Refer to 

EC-501, "Emission-related Diagnostic Information"

, “How to Display Per-

manent DTC Status”.

12. Check that the permanent DTCs have been erased.
Group B

Group

*

Perform “DTC CONFIRMATION PROCEDURE” 

for applicable DTCs.

Driving pattern

B

D

A

×

B

×

×

*1:

When the same malfunction is de-
tected in two consecutive trips, MIL 
will illuminate.

JSBIA0064GB

 

 

 

 

 

 

 

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