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:

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver a ...

    Diagnosis system (bluetooth control unit)
    Diagnosis Description The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The second diagnostic check is performed by the technician using the steering wheel audio control switches ...

    Car phone or CB radio
    When installing a CB, ham radio or car phone in your vehicle, be sure to observe the following precautions; otherwise, the new equipment may adversely affect the engine control system and other electronic parts. WARNING A cellular phone should not be used for any purpose while driving so ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0057