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-622, "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-622, "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, c ...

    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 control ...

    Other materials:

    B2192, P1611 ID discord, IMMU-ECM
    Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGIC ...

    Audio unit
    Removal and Installation REMOVAL 1. Remove cluster lid C. Refer to IP-12, "Removal and Installation". 2. Remove cluster lid D lower finisher. Refer to IP-12, "Removal and Installation". 3. Remove navigation audio unit upper and lower screws (A). 4. Remove the naviga ...

    Self-diagnosis function
    Diagnosis Description SELF-DIAGNOSIS SYSTEM The self-diagnosis system is built into the front air control to quickly locate the cause of malfunctions. SELF-DIAGNOSIS FUNCTION The self-diagnosis system diagnoses sensors, door motors, blower motor, etc. by system line. Refer to applicable se ...