Infiniti G37 Coupe. Manual — part 595
ECM
EC-561
< ECU DIAGNOSIS >
[VQ37VHR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
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
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
ID
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
ID
ECM
EC-563
< ECU DIAGNOSIS >
[VQ37VHR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
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
ID
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
ID
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