Nissan Altima 2007-2012 Service Manual: 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. To locate the EVAP leak, install EVAP service port adapter [commercial service tool: (J-41413-OBD)] and pressure pump to EVAP service port.

2. Turn ignition switch ON.

3. Select the “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode with CONSULT-III.

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: (J- 41413-OBD)] and hose with pressure pump.

7. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to EC-86, "System Diagram".

1. To locate the EVAP leak, install EVAP service port adapter [commercial service tool: (J-41413-OBD)] 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 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).

4. 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-86, "System Diagram".

    Fuel pressure
    Inspection FUEL PRESSURE RELEASE 1. Turn ignition switch ON. 2. Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode with CONSULT-III. 3. Start engine. 4. After engine stalls, ...

    On-vehicle repair
    EVAP CANISTER Exploded View Removal and Installation REMOVAL 1. Lift up the vehicle. 2. Remove EVAP canister fixing bolt. 3. Remove EVAP canister. NOTE: The EVAP canister vent contro ...

    Other materials:

    Shift fork and fork rod
    Exploded View Refer to TM-28, "Exploded View". Disassembly 1. Remove return spring to striking rod assembly. Assembly 1. Temporarily install return spring to striking rod assembly. CAUTION: Be careful with the orientation of return spring. 2. Attach one end of the return s ...

    Automatic speed control device (ASCD)
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *: This signal is sent to the ECM through CAN communication line BASIC ASCD SYSTEM Refer to Owner's Manual for ASCD operating instructions. Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermin ...

    Condenser
    Removal and Installation for Condenser REMOVAL 1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure". 2. Remove the front fascia (coupe only). Refer to EXT-17, "Removal and Installation". 3. Remove the front grille (sedan only). Refer to ...