P0455

DTC P0455 EVAP CONTROL SYSTEM




On Board Diagnosis Logic

NOTE: If DTC P0455 is displayed with P1448, perform trouble diagnosis for DTC P1448 first. (See "DTC P1448 EVAP CANISTER VENT CONTROL VALVE".)

This diagnosis detects a very large leak (fuel filler cap fell off etc.) in EVAP system between the fuel tank and EVAP canister 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 filter cap during the DTC confirmation procedure.

NOTE:
- If DTC P0455 is displayed with P1448, perform trouble diagnosis for DTC P1448 first. (See"DTC P1448 EVAP CANISTER VENT CONTROL VALVE".)
- 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.

WITH CONSULT-II
1. Tighten fuel filler cap securely until ratcheting 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 following conditions are met.
COOLAN TEMP/S: 0 - 32 °C (32 - 90 °F)
INT/A TEMP SE: More than 0 °C (32 °F)




6. Select "EVAP SML LEAK P0442" 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, refer to "Diagnostic Procedure" below.
If P0442 is displayed, perform "Diagnostic Procedure" below.

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 "Driving Pattern".
8. Stop vehicle.
9. Select "MODE 3" with GST.
- If P0455 is displayed on the screen, go to "Diagnostic Procedure" below.
- If P0442 or P1442 is displayed on the screen, go to "Diagnostic Procedure" or "Diagnostic Procedure" below.
- If P0441 is displayed on the screen, go to "Diagnostic Procedure" below.
- If P0442, P0455 and P0441 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

Diagnostic Procedure Step 1:

Diagnostic Procedure Step 2 - 7:

Diagnostic Procedure Step 8 - 9:

Diagnostic Procedure Step 10 - 11:

Diagnostic Procedure Step 12 - 14:

Diagnostic Procedure Step 15:

Diagnostic Procedure Step 16:

Diagnostic Procedure Step 17 - 18: