Nissan Maxima Service and Repair Manual: Evap leak check

Inspection

CAUTION:

  •  Never use compressed air or a high pressure pump.
  •  Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system.

NOTE:

  •  Do not start engine.
  •  Improper installation of  EVAP service port adapter (commercial service tool) to the EVAP service port may cause a leakage.

WITH CONSULT

Nissan Maxima. EVAP LEAK CHECK

  1. To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) and pressure pump to EVAP service port.
  2. Turn ignition switch ON.
  3. Select the "EVAP SYSTEM CLOSE" of "WORK SUPPORT MODE" with CONSULT.
  4. Touch "START". A bar graph (Pressure indicating display) will appear on the screen.
  5. Apply positive pressure to the EVAP system until the pressure indicator reaches the middle of the bar graph.
  6. Remove EVAP service port adapter (commercial service tool) and hose with pressure pump.
  7. Locate the leakage using a leakage detector (commercial service tool). Refer to EC-94, "System Diagram".

Nissan Maxima. EVAP LEAK CHECK

WITHOUT CONSULT

Nissan Maxima. WITHOUT CONSULT

  1. To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) and pressure pump to EVAP service port.
  2. Apply battery voltage between the terminals of  EVAP canister vent control valve to make a closed EVAP system.
  3. To locate the leakage, deliver positive pressure to the EVAP system until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to 0.028 kg/cm2, 0.2 to 0.4 psi).
  4. Remove EVAP service port adapter (commercial service tool) and hose with pressure pump.
  5. Locate the leakage using a leakage detector (commercial service tool).

Nissan Maxima. WITHOUT CONSULT

    Fuel pressure
    Inspection FUEL PRESSURE RELEASE With CONSULT Turn ignition switch ON. Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT. Start engine. After engine stalls, crank it t ...

    Service data and specifications (SDS)
    Idle Speed Ignition Timing Calculated Load Value Mass Air Flow Sensor *: Engine is warmed up to normal operating temperature and running under no load. ...

    Other materials:

    Fuel injector
    Description The fuel injector is a small, precise solenoid valve. When the ECM supplies a ground to the fuel injector circuit, the coil in the fuel injector is energized. The energized coil pulls the ball valve back and allows fuel to flow via the fuel injector into the intake manifold. T ...

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

    P1550 battery current sensor
    Description The power generation voltage variable control enables fuel consumption to be decreased by reducing the engine load which is caused by the power generation of the generator. The battery current sensor is installed to the battery cable at the negative terminal. The sensor measures ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2020 Copyright www.nimainfo.com
    0.0135