Infiniti QX56 (JA60). Manual - part 455

 

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Infiniti QX56 (JA60). Manual - part 455

 

 

EC-472

< 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

ECM

EC-473

< 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

EC-474

< 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

ECM

EC-475

< 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

The emission related diagnostic information in the ECM can be erased by selecting “All Erase” in the “Descrip-

tion” of  “FINAL CHECK” mode with CONSULT-III.

 WITH GST

The emission related diagnostic information in the ECM can be erased by selecting Service $04 with GST.

NOTE:

If the DTC is not for A/T related items (see 

EC-459, "DTC Index"

), skip step 2.

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

 

 

 

 

 

 

 

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