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:

Wheel side
WHEEL SIDE : Removal and Installation REMOVAL Remove the wheel and tire using power tool. Refer to WT-47, "Exploded View". Remove the brake caliper torque member bolts, leaving the brake hose attached. Position the brake caliper aside with wire. Refer to BR-41, "BRAKE C ...

Fuel injector
Component Function Check 1.INSPECTION START Turn ignition switch to START. Is any cylinder ignited? YES >> GO TO 2. NO >> Proceed to EC-450, "Diagnosis Procedure". 2.CHECK FUEL INJECTOR FUNCTION With CONSULT Start engine. Perform “POWER BALANCE” in ...

DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT Description Refer to lan-7, "can communication system : system description". Dtc logic Dtc detection logic Note: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symp ...

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