P0455

On Board Diagnosis Logic

NOTE: If DTC P0455 is displayed with P1448, perform trouble diagnosis for DTC P1448 first.

This diagnosis detects a very large teak (fuel filler cap fell off, etc.) in the EVAP system, between the fuel tank and the EVAP cannister purge volume control solenoid valve.

CAUTION:
- Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may come on.
- If the fuel filler cap is not tightened properly, the MIL may come on.
- Use only a genuine NISSAN rubber tube as a replacement.

DTC Confirmation Procedure

CAUTION: Never remove fuel filler cap during the DTC Confirmation Procedure.

NOTE:
- If DTC P0455 is displayed with P1448, perform trouble diagnosis for DTC P1448 first.
- Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.
- If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

TESTING CONDITION:
- Perform "DTC WORK SUPPORT" when the fuel level is between 1/4 to 3/4 full and vehicle is placed on flat level surface.
- Open engine hood before conducting the following procedure.
- It is better that the fuel level is low.

With CONSULT-II
1. Tighten fuel filler cap securely until racheting sound is heard.
2. Turn ignition switch "ON".
3. Turn ignition switch "OFF" and wait at least 5 seconds.
4. Turn ignition switch "ON" and select "DATA MONITOR" mode with CONSULT-II.




5. Make sure that the above conditions are met.













6. Select "EVAP SML LEAK P04401P1440" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT"mode with CONSULT-II. Follow the instruction displayed.

NOTE:
- If the engine speed cannot be maintained within the range displayed on the CONSULT-II screen, go to "Basic Inspection".

7. Make sure that "OK" is displayed.
If "NG" is displayed, select "SELF-DIAG RESULTS" mode with CONSULT-II and make sure that "EVAP GROSS LEAK [P0455]" is displayed. If it is displayed, refer to "Diagnostic Procedure" below.

If P0440 is displayed, perform "Diagnostic Procedure" for P0440.

With GST

NOTE: Be sure to read the explanation of "Driving Pattern" before driving vehicle.

1. Start engine.
2. Drive vehicle according to "Driving Pattern".
3. Stop vehicle.
4. Select "MODE 1" with GST.
- If SRT of EVAP system is not set yet, go to the following step.
- If SRT of EVAP system is set, the result will be OK.

5. Turn ignition switch "OFF" and wait at least 5 seconds.
6. Start engine.
It is not necessary to cool engine down before driving.

7. Drive vehicle again according to the "Driving Pattern".
8. Stop vehicle.
9. Select "MODE 3" with GST.
- If P0440 is displayed on the screen, go to "Diagnostic Procedure"- If P1440 is displayed on the screen, go to "Diagnostic Procedure" for "DTC P1440".
- If P1447 is displayed on the screen, go to "Diagnostic Procedure" for "DTC P1447".
- If P0440, P1440 and P1447 are not displayed on the screen, go to the following step.

10. Select "MODE 1" with GST.
- If SRT of EVAP system is set, the result will be OK.
- If SRT of EVAP system is not set, go to step 6.

Diagnostic Procedure

Steps 1 - 2:

Steps 3 - 7:

Step 8:

Step 9:

Step 10:

Steps 11 - 13:

Steps 14 - 16:

Steps 17 - 18: