Nissan Note — диагностика системы впрыска топлива и ошибки DTC P0172 [227/1872]

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Nissan Note [227/1872] With gst
DTC P0172 FUEL INJECTION SYSTEM FUNCTION
EC-227
[CR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
If engine starts, go to EC-230, "Diagnostic Procedure" . If engine does not start, remove spark plugs and
check for fouling, etc.
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 manifold absolute pressure sensor harness connec-
tor. Then restart and run engine for at least 5 seconds at idle
speed.
4. Stop engine and reconnect manifold absolute pressure sensor
harness connector.
5. Select Service $03 with GST. Make sure DTC P0107 is
detected.
6. Select Service $04 with GST and erase the DTC P0107.
7. Start engine again and let it idle for at least 10 minutes.
8. Select Service $07 with GST. The 1st trip DTC P0172 should be
detected at this stage, if a malfunction exists. If so, go to EC-
230, "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 a certain
time. 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.
9. If it is difficult to start engine at step 7, the fuel injection system has a malfunction.
10. Crank engine while depressing accelerator pedal.
If engine starts, go to EC-230, "
Diagnostic Procedure" . If engine does not start, remove ignition plugs and
check for fouling, etc.
MBIB0276E
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).

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Узнайте, как диагностировать и устранять неисправности системы впрыска топлива с кодом DTC P0172. Пошаговые инструкции и советы по проверке двигателя.

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