Nissan Altima 2007-2012 Service Manual: P0455 evap control system

DTC Logic

DTC DETECTION LOGIC

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:


CAUTION:

    P0453 evap control system pressure sensor
    Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. DTC Logic DTC DETECTION LOGIC ...

    P0456 evap control system
    DTC Logic DTC DETECTION LOGIC This diagnosis detects very small leaks in the EVAP line between fuel tank and EVAP canister purge volume control solenoid valve, using the intake manifold vacuum in ...

    Other materials:

    P0448 Evap canister vent control valve
    Description The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the ECM. When the ECM sends an ON signal, the coil in the solenoid valve is energized. A plunger will then move to seal the ca ...

    Power supply and ground circuit
    Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in GI-45, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHE ...

    Preparation
    Special Service Tool The actual shapes of the Kent-Moore tools may differ from those of the special service tools illustrated here. Commercial Service Tool ...