2008 INFINITI FX35 Service Manual

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Page 1881 of 3924

INFINITI FX35 2008 Service Manual
ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-641
< SERVICE INFORMATION > [VK45DE]
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NP
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When all SRT codes are set, MIL lights up continuously.
When any SRT codes are not set, MIL

Page 1882 of 3924

INFINITI FX35 2008 Service Manual
EC-642
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Driving Pattern
The time required for each diagnosis varies with road su
rface conditions, weather, altitude, individual driv

Page 1883 of 3924

INFINITI FX35 2008 Service Manual
ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-643
< SERVICE INFORMATION > [VK45DE]
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Sea level
Flat road
Ambient air temperature: 20 - 30
°C (68 - 86 °F)
Diagnosis is per

ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-643
< SERVICE INFORMATION > [VK45DE]
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Sea level
Flat road
Ambient air temperature: 20 - 30
°C (68 - 86 °F)
Diagnosis is performed as quickly as possible under normal conditions. Under different conditions [For example: ambient air temperature other than 20 - 30 °C (68 - 86 °F)], diagno-
sis may also be performed.
Pattern 1:
The engine is started at the engine coolant temperature of −10 to 35 °C (14 to 95 °F)
(where the voltage between the ECM terminal 73 and ground is 3.0 - 4.3V).
The engine must be operated at idle speed until the engine coolant temperature is greater than 70 °C
(158 °F) (where the voltage between the ECM te rminal 73 and ground is lower than 1.4V).
The engine is started at the fuel tank temperature of warmer than 0 °C (32 °F) (where the voltage
between the ECM terminal 107 and ground is less than 4.1V).
Pattern 2:
When steady-state driving is performed again even afte r it is interrupted, each diagnosis can be conducted.
In this case, the time required for diagnosis may be extended.
Pattern 3:
Operate vehicle following the driving pattern shown in the figure.
Release the accelerator pedal during decelerating vehicle speed from 90 km/h (56 MPH) to 0 km/h (0 MPH).
Pattern 4:
The accelerator pedal must be held very steady during steady- state driving.
If the accelerator pedal is moved, the test must be conducted all over again.
*1: Depress the accelerator pedal until vehicle speed is 90 km/h (56
MPH), then release the accelerator pedal and keep it released for
more than 10 seconds. Depress the accelerator pedal until vehicle
speed is 90 km/h (56 MPH) again.
*2: Checking the vehicle speed with GST is advised.
Suggested Transmi ssion Gear Position
Set the selector lever in the D positi on with the overdrive switch turned ON.
TEST VALUE AND TEST LIMIT
The following is the information specified in Service $06 of SAE J1979.
The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while
being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the
maximum or minimum value and is compared with the test value being monitored.
These data (test value and test limit) are specified by On Board Monitor ID(OBDMID), Test ID (TID), Unit and
Scaling ID and can be displayed on the GST screen.
The items of the test value and test limit will be disp layed with GST screen which items are provided by the
ECM. (eg., if the bank 2 is not applied on this v ehicle, only the items of the bank 1 is displayed)
PBIB2244E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1884 of 3924

INFINITI FX35 2008 Service Manual
EC-644
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ItemOBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
HO2S

Page 1885 of 3924

INFINITI FX35 2008 Service Manual
ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-645
< SERVICE INFORMATION > [VK45DE]
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HO2S 05H
Air fuel ratio (A/F) sensor 1
(Bank 2) P0151 83H 0BH
Minimum sensor output voltage fo

Page 1886 of 3924

INFINITI FX35 2008 Service Manual
EC-646
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EGR
SYSTEM31H EGR function P0400 80H 96H
Low Flow Faults: EGR temp change
rate (short term)
P0400 81H 96H Low Flow Faults: EG

EC-646
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EGR
SYSTEM31H 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
EVAP
SYSTEM 39H
EVAP control system leak
(Cap Off) P0455 80H 0CHDifference in pressure sensor output
voltage before and after pull down
3BH EVAP control system leak
(Small leak)
P0442 80H 05HLeak 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 output
voltage before and after vent control val-
ue close
O2 SEN-
SOR
HEATER 41H
A/F sensor 1 heater
(Bank 1) Low Input:P0031
High Input:P0032 81H 0BHConverted value of Heater electric cur-
rent to voltage
42H Heated oxygen sensor 2
(Bank 1) Low Input:P0037
High Input:P0038 80H 0CHConverted value of Heater electric cur-
rent to voltage
43H Heated oxygen sensor 3
(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 0BHConverted value of Heater electric cur-
rent to voltage
46H Heated oxygen sensor 2
(Bank 2) Low Input:P0057
High Input:P0058 80H 0CHConverted value of Heater electric cur-
rent to voltage
47H Heated oxygen sensor 3
(Bank 2)
P0063 80H 0CHConverted value of Heater electric cur-
rent to voltage
SEC-
OND-
ARY AIR 71H Secondary Air system P0411 80H 01H
Secondary Air Injection System Incor-
rect Flow Detected
Bank1: P0491
Bank2: P0492 81H 01HSecondary Air Injection System Insuffi-
cient Flow
P2445 82H 01H Secondary Air Injection System Pump
St uc k Off
P2448 83H 01H Secondary Air Injection System High
Airflow
Bank1: P2440
Bank2: P2442 84H 01HSecondary 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
St uc k On
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1887 of 3924

INFINITI FX35 2008 Service Manual
ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-647
< SERVICE INFORMATION > [VK45DE]
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FUEL
SYSTEM
81H
Fuel injection system function
(Bank 1) P0171 or P0172 80H 2FH Long term fuel

ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-647
< SERVICE INFORMATION > [VK45DE]
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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 sec-
ond 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 sev-
enth cylinder
P0308 87H 24H Misfiring counter at 1000rev of the
eighth cylinder
P0300 88H 24H Misfiring counter at 1000rev of the mul-
tiple cylinders
P0301 89H 24H Misfiring counter at 200rev of the first
cylinder
P0302 8AH 24H Misfiring counter at 200rev of the sec-
ond 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 sin-
gle cylinder
P0300 92H 24H Misfiring counter at 200rev of the single
cylinder
P0300 93H 24H Misfiring counter at 200rev of the multi-
ple cylinders
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1888 of 3924

INFINITI FX35 2008 Service Manual
EC-648
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC
WITH CONSULT-III
The emission related diagnostic informa

EC-648
< SERVICE INFORMATION >[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
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 EC M can be erased by selecting Service $04 with GST.
NOTE:
If the DTC is not for A/T related items (see EC-595
), skip step 2.
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once.
MISFIREA2H 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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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