Nissan Altima 2007-2012 Service Manual: 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 leaks in the EVAP purge line using engine intake manifold vacuum.

If pressure does not increase, the ECM will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve, under the following

    P0441 evap control system
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0441 is displayed with other DTC such as P2122, P2123, P2127, P2128 or P2138, first perform trouble diagnosis for other DTC. In this evaporative em ...

    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 soleno ...

    Other materials:

    Standardized relay
    Description NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS Relays can mainly be divided into three types: normal open, normal closed and mixed type relays. TYPE OF STANDARDIZED RELAYS ...

    P0462, P0463 Fuel level sensor
    Description The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the combination meter. The combination meter sends the fuel level sensor signal to the ECM via the CAN communication line. It consists of ...

    Camera image signal circuit (camera control unit to av control unit)
    Description Rear view camera image signals are transmitted from the rear view camera control unit to the AV control unit using the image signal circuits. Diagnosis Procedure 1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect rear view camera control ...