Nissan Sentra manuals

Nissan Sentra Service Manual: Evap leak check

Inspection

CAUTION:

NOTE:

1.EVAP LEAK CHECK

With CONSULT


  1. Install EVAP service port adapter [commercial service tool: (J- 41413-OBD)] and pressure pump to EVAP service port.


  1. Turn ignition switch ON.
  2. Select the “EVAP SYSTEM CLOSE” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
  3. Touch “START”. A bar graph (Pressure indicating display) will appear on the screen.
  4. Apply positive pressure to the EVAP system until the pressure indicator reaches the middle of the bar graph.
  5. Remove EVAP service port adapter [commercial service tool: (J-41413-OBD)] and hose with pressure pump.
  6. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to EC-49, "EVAPORATIVE EMISSION SYSTEM : System Description".

Without CONSULT


Without CONSULT


  1. Install EVAP service port adapter [commercial service tool: (J- 41413-OBD)] and pressure pump to EVAP service port.


  1. Apply battery voltage between the terminals of EVAP canister vent control valve to make a closed EVAP system.
  2. To locate the leak, 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).
  3. Remove EVAP service port adapter [commercial service tool: (J-41413-OBD)] and hose with pressure pump.
  4. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to EC-49, "EVAPORATIVE EMISSION SYSTEM : System Description".

>> INSPECTION END

Positive crankcase ventilation


Evaporative emission system
Inspection EVAP CANISTER 1.CHECK EVAP CANISTER Block port (B). Blow air into port (A) and check that it flows freely out of port (C). Release blocked port (B). Apply vacuum pressure to por ...

Positive crankcase ventilation
Inspection 1.CHECK PCV VALVE With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be fel ...

Other materials:

Precaution for Work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

Wiring diagram
Remote keyless entry system Wiring diagram Power door lock system Wiring Diagram Trunk lid opener Wiring diagram ...

Eco mode control
ECO MODE CONTROL : System Description SYSTEM DIAGRAM SYSTEM DESCRIPTION ECM receives an ECO mode signal from combination meter via CAN communication and improves the fuel economy by controlling the throttle movement to less than usual. Therefore, driving characteristic is controlle ...

© 2014-2021 Copyright www.nisentra.com