2007 INFINITI FX35 Service Manual

fuel tank removal oil type rims oil capacities fuse diagram fog light

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INFINITI FX35 2007 Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-305
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Revision: 2006 July 2007 FX35/FX457. If it is difficult to start engine at step 6, the fuel inje

DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-305
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Revision: 2006 July 2007 FX35/FX457. If it is difficult to start engine at step 6, the fuel injection system has a malfunction, too.
8. Crank engine while depressing accelerator pedal. If engine starts, go to EC-310, "
Diagnostic Procedure" .
If engine does not start, check exhaust and intake air leak visually.
WITH GST
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness con- nector.
6. Select Service $03 with GST. Make sure DTC P0102 is detected.
7. Select Service $04 with GST and erase the DTC P0102.
8. Start engine again and let it idle for at least 10 minutes.
9. Select Service $07 with GST. The 1st trip DTC P0171 or P0174 should be detected at this stage, if a malfunction exists. If so, go
to EC-310, "
Diagnostic Procedure" .
NOTE:
If 1st trip DTC is not detected during above procedure, performing the following procedure is advised.
a. Turn ignition switch OFF and wait at least 10 seconds.
b. Start engine and drive the vehicle under the similar conditions to (1st trip) Freeze Frame Data for 10 min- utes. Refer to the table below.
Hold the accelerator pedal as steady as possible.
The similar conditions to (1st trip) Freeze Frame Data means the vehicle operation that the following con-
ditions should be satisfied at the same time.
10. If it is difficult to start engine at step 8, the fuel injection system has a malfunction.
11. Crank engine while depressing accelerator pedal. If engine starts, go to EC-310, "
Diagnostic Procedure" .
If engine does not start, check exhaust and intake air leak visually.
Engine coolant temperature
(T) condition When the freeze frame data shows lower than 70
°C (158 °F),
T should be lower than 70 °C (158 °F).
When the freeze frame data shows higher than or equal to 70 °C (158 °F),
T should be higher than or equal to 70 °C (158 °F).
PBIB1565E
Engine speed Engine speed in the freeze frame data ± 400 rpm
Vehicle speed Vehicle speed in the freeze frame data ± 10 km/h (6 MPH)
Engine coolant temperature
(T) condition When the freeze frame data shows lower than 70
°C (158 °F),
T should be lower than 70 °C (158 °F).
When the freeze frame data shows higher than or equal to 70 °C (158 °F),
T should be higher than or equal to 70 °C (158 °F).

Page 1682 of 4366

INFINITI FX35 2007 Service Manual EC-306
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DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003P6
BANK 1
TBWM1594E

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INFINITI FX35 2007 Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-307
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Revision: 2006 July 2007 FX35/FX45
Specification data are reference values and are measured betw

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INFINITI FX35 2007 Service Manual EC-308
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DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2006 July 2007 FX35/FX45
BANK 2
TBWM1595E

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INFINITI FX35 2007 Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-309
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Revision: 2006 July 2007 FX35/FX45
Specification data are reference values and are measured betw

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INFINITI FX35 2007 Service Manual EC-310
[VQ35DE]
DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNBS003P7
1. CHECK EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Liste

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INFINITI FX35 2007 Service Manual DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-311
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Revision: 2006 July 2007 FX35/FX45
3. CHECK AIR FUEL RATIO (A/F) SENSOR 1 INPUT SIGNAL CIRCUIT

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INFINITI FX35 2007 Service Manual EC-312
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DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
Revision: 2006 July 2007 FX35/FX45
4. CHECK FUEL PRESSURE
1. Release fuel pressure to zero. Refer to EC-85, "
FUEL PRESSURE RELEASE"

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