Nissan Altima 2007-2012 Service Manual: P0443 evap canister purge volume control solenoid valve

Description

The EVAP canister purge volume control solenoid valve uses a ON/ OFF duty to control the flow rate of fuel vapor from the EVAP canister.

The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.

DTC Logic


DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: Always perform test at a temperature of 5

    P0442 evap control system
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0442 is displayed with DTC P0456, first perform the trouble diagnosis for DTC P0456. Refer to EC-336, "DTC Logic". This diagnosis detects ...

    P0444, p0445 evap canister purge volume control solenoid valve
    Description The EVAP canister purge volume control solenoid valve uses a ON/ OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoi ...

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