Content .. 593 594 595 596 ..

Infiniti G37 Coupe. Manual - part 595

ECM

EC-561

< ECU DIAGNOSIS >

[VQ37VHR]

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 volt-
age

P0153

8CH

83H

Response gain at the limited fre-
quency

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 volt-
age

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 volt-
age

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 out-
put voltage

P2423

84H

O2 storage index in HC trap cata-
lyst

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 out-
put voltage

P2424

84H

O2 storage index in HC trap cata-
lyst

Item

OBD-

MID

Self-diagnostic test item

DTC

Test value and Test

limit

(GST display)

Description

TID

Unit and

Scaling

EC-562

< ECU DIAGNOSIS >

[VQ37VHR]

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 be-
tween 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 in-
crease rate

EVAP
SYSTEM

39H

EVAP control system leak
(Cap Off)

P0455

80H

0CH

Difference in pressure sensor out-
put voltage before and after pull
down

3BH

EVAP control system leak
(Small leak)

P0442

80H

05H

Leak area index (for more than
0.04inch)

3CH

EVAP control system
(Very small leak)

P0456

80H

05H

Leak area index (for more than
0.02inch)

P0456

81H

FDH

Maximum internal pressure of
EVAP system during monitoring

3DH

Purge flow system

P0441

83H

0CH

Difference in pressure sensor out-
put voltage before and after vent
control value 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
current to voltage

42H

Heated oxygen sensor 2
(Bank 1)

Low Input:P0037

High Input:P0038

80H

0CH

Converted value of Heater electric
current to voltage

43H

Heated oxygen sensor 3
(Bank 1)

P0043

80H

0CH

Converted value of Heater electric
current to voltage

45H

A/F sensor 1 heater
(Bank 2)

Low Input:P0051

High Input:P0052

81H

0BH

Converted value of Heater electric
current to voltage

46H

Heated oxygen sensor 2
(Bank 2)

Low Input:P0057

High Input:P0058

80H

0CH

Converted value of Heater electric
current to voltage

47H

Heated oxygen sensor 3
(Bank 2)

P0063

80H

0CH

Converted value of Heater electric
current to voltage

SEC-
OND-
ARY AIR

71H

Secondary Air system

P0411

80H

01H

Secondary Air Injection System
Incorrect Flow Detected

Bank1: P0491
Bank2: P0492

81H

01H

Secondary Air Injection System
Insufficient 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
Switching Valve Stuck Open

P2440

85H

01H

Secondary Air Injection System
Switching Valve Stuck Open

P2444

86H

01H

Secondary Air Injection System
Pump Stuck On

Item

OBD-

MID

Self-diagnostic test item

DTC

Test value and Test

limit

(GST display)

Description

TID

Unit and

Scaling

ECM

EC-563

< ECU DIAGNOSIS >

[VQ37VHR]

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 Misfire

P0301

80H

24H

Misfiring counter at 1000rev of the
first cylinder

P0302

81H

24H

Misfiring counter at 1000rev of the
second cylinder

P0303

82H

24H

Misfiring counter at 1000rev of the
third cylinder

P0304

83H

24H

Misfiring counter at 1000rev of the
fourth cylinder

P0305

84H

24H

Misfiring counter at 1000rev of the
fifth cylinder

P0306

85H

24H

Misfiring counter at 1000rev of the
sixth cylinder

P0307

86H

24H

Misfiring counter at 1000rev of the
seventh cylinder

P0308

87H

24H

Misfiring counter at 1000rev of the
eighth cylinder

P0300

88H

24H

Misfiring counter at 1000rev of the
multiple cylinders

P0301

89H

24H

Misfiring counter at 200rev of the
first cylinder

P0302

8AH

24H

Misfiring counter at 200rev of the
second cylinder

P0303

8BH

24H

Misfiring counter at 200rev of the
third cylinder

P0304

8CH

24H

Misfiring counter at 200rev of the
fourth cylinder

P0305

8DH

24H

Misfiring counter at 200rev of the
fifth cylinder

P0306

8EH

24H

Misfiring counter at 200rev of the
fifth cylinder

P0307

8FH

24H

Misfiring counter at 200rev of the
fifth cylinder

P0308

90H

24H

Misfiring counter at 200rev of the
fifth cylinder

P0300

91H

24H

Misfiring counter at 1000rev of the
single cylinder

P0300

92H

24H

Misfiring counter at 200rev of the
single cylinder

P0300

93H

24H

Misfiring counter at 200rev of the
multiple cylinders

Item

OBD-

MID

Self-diagnostic test item

DTC

Test value and Test

limit

(GST display)

Description

TID

Unit and

Scaling

EC-564

< ECU DIAGNOSIS >

[VQ37VHR]

ECM

MISFIRE

A2H

No.1 Cylinder Misfire

P0301

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0301

0CH

24H

Misfire counts for last/current driv-
ing cycles

A3H

No.2 Cylinder Misfire

P0302

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0302

0CH

24H

Misfire counts for last/current driv-
ing cycles

A4H

No.3 Cylinder Misfire

P0303

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0303

0CH

24H

Misfire counts for last/current driv-
ing cycles

A5H

No.4 Cylinder Misfire

P0304

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0304

0CH

24H

Misfire counts for last/current driv-
ing cycles

A6H

No.5 Cylinder Misfire

P0305

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0305

0CH

24H

Misfire counts for last/current driv-
ing cycles

A7H

No.6 Cylinder Misfire

P0306

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0306

0CH

24H

Misfire counts for last/current driv-
ing cycles

A8H

No.7 Cylinder Misfire

P0307

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0307

0CH

24H

Misfire counts for last/current driv-
ing cycles

A9H

No.8 Cylinder Misfire

P0308

0BH

24H

EWMA (Exponential Weighted
Moving Average) misfire counts
for last 10 driving cycles

P0308

0CH

24H

Misfire counts for last/current driv-
ing cycles

Item

OBD-

MID

Self-diagnostic test item

DTC

Test value and Test

limit

(GST display)

Description

TID

Unit and

Scaling

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