Nissan Juke Service and Repair Manual : Evaporative emission system

Inspection

1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections, chafing and deterioration.

2. Check EVAP canister as follows: a. Block port (A). Orally blow air through port (B).

Check that air flows freely through port (C).

b. Block port (B). Orally blow air through port (A).

Check that air flows freely through port (C).

3. Visually inspect the fuel check valve for cracks, damage, loose connections chafing and deterioration.

4. Check fuel check valve as follows:


4. Check fuel check valve as follows: a. Blow air through connector on the fuel tank side. A considerable resistance should be felt and a portion of air flow should be directed toward the EVAP canister side.

b. Blow air through connector on EVAP canister side. Air flow should be smoothly directed toward fuel tank side.

c. If fuel check valve is suspected or not properly functioning in step 1 and 2 above, replace it.

5. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking,


5. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.

a. Wipe clean valve housing.

b. Check valve opening pressure and vacuum.


b. Check valve opening pressure and vacuum.

Pressure: 15.3 - 20.0 kPa (0.153 - 0.200 bar, 0.156 - 0.204 kg/ cm2, 2.22 - 2.90 psi)
Vacuum: 6.0 to 3.4 kPa (0.06 bar to -0.034bar, 0.061 to 0.035 kg/cm2, 0.87 to 0.49 psi)

c. If out of specification, replace fuel filler cap as an assembl

Positive crankcase ventilation


    Ignition timing
    Inspection 1.CHECK IGNITION TIMING 1. Attach timing light to loop wire as shown. 1. Loop wire A. Timing light B. Timing indicator 2. Check ignition timing. >> INSPECTION END ...

    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:

    ASCD main switch
    Component Function Check 1.CHECK ASCD MAIN SWITCH FUNCTION 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector terminals under the following conditions. Is the inspection result normal? YES >> INSPECTION END NO >> Go to EC-1009, "Diagnosis Proced ...

    Seat belts with pretensioners (front seats)
    WARNING The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. If the vehicle becomes involved in a collision but a pretensioner is not activated, be sure to have the pretensioner system checked and, if necessary, replac ...

    Precaution for On Board Diagnosis (OBD) System of CVT and Engine
    The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver of a malfunction causing emission deterioration. CAUTION: Be sure to turn the ignition switch OFF and disconnect the battery cable from the negative terminal before any repair or ...