DTC Confirmation Procedure
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If DTC P0456 is displayed with P0442, first perform trouble diagnosis for DTC P0456.
- After repair, make sure that the hoses and clips are installed properly.
- If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next step.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
- Open engine hood before conducting the following procedure .
- If any of following conditions are met just before the DTC confirmation procedure, leave the vehicle for more than 1 hour
.
- Fuel filler cap is removed .
- Fuel is refilled or drained .
- EVAP component part/parts is/are removed .
- Before performing the following procedure, confirm that battery voltage is more than 11V at idle .
WITH CONSULT
- Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
- Check that the following conditions are met.
FUEL LEVEL SE: 0.25 - 1.4V
COOLAN TEMP/S: 0 - 32°C (32 - 90°F)
FUEL T/TMP SE: 0 - 35°C (32 - 95°F)
INT A/TEMP SE: More than 0°C (32°F)
If NG, turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle), or refill/drain fuel until the output voltage of the "FUEL LEVEL SE" meets within the range above and leave the vehicle for more than 1 hour. Then start from step 1.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Select "EVP V/S LEAK P0456/P1456" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT.
Follow the instructions displayed.
- Check that "OK" is displayed.
If "NG" is displayed, refer to "DIAGNOSIS PROCEDURE ".
NOTE:
- If the engine speed cannot be maintained within the range displayed on CONSULT screen, go to "BASIC INSPECTION ".
- Check that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.