Nissan Versa
Sedan Service Manual
Engine » Engine control system (EC)
EVAP leak check
Inspection
CAUTION:
- Do not use compressed air or a high pressure pump.
- Do not 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: (J-41413-OBD)] to the EVAP
service port may cause a leak.
1.EVAP LEAK CHECK
With CONSULT
- Install EVAP service port adapter [commercial service tool: (J-
41413-OBD)] and pressure pump to EVAP service port.
- Turn ignition switch ON.
- Select the "EVAP SYSTEM CLOSE" in "WORK SUPPORT"
mode of "ENGINE" using CONSULT.
- Touch "START". A bar graph (Pressure indicating display) will
appear on the screen.
- Apply positive pressure to the EVAP system until the pressure
indicator reaches the middle of the bar graph.
- Remove EVAP service port adapter [commercial service tool: (J-
41413-OBD)] and hose with pressure pump.
7. Locate the leak using a leak detector
[commercial service tool:
(J-41416)]. Refer to EC, "EVAPORATIVE EMISSION SYSTEM
: System Description".
Without CONSULT
- Install EVAP service port adapter [commercial service tool: (J-
41413-OBD)] and pressure pump to EVAP service port.
- Apply battery voltage between the terminals of EVAP canister
vent control valve to make a closed EVAP system.
- 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).
- Remove EVAP service port adapter [commercial service tool: (J-
41413-OBD)] and hose with pressure pump.
5. Locate the leak using a leak detector
[commercial service tool:
(J-41416)]. Refer to EC, "EVAPORATIVE EMISSION SYSTEM
: System Description".
>> INSPECTION END
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EVAP leak check
Nissan Versa Sedan Service Manual
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