Nissan Altima manuals

Nissan Altima (L32) 2007-2012 Service Manual: Evap leak check

Inspection

CAUTION: • Never use compressed air or a high pressure pump.

• Never 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) to the EVAP service port may cause a leakage.

1. To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) 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) and hose with pressure pump.

7. Locate the leakage using a leakage detector (commercial service tool). Refer to EC-1116, "System Diagram".

1. To locate the EVAP leakage, install EVAP service port adapter (commercial service tool) 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 leakage, 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) and hose with pressure pump.

5. Locate the leakage using a leakage detector (commercial service tool). Refer to EC-1116, "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 1. EVAP control system pressure sensor 2. EVAP canister 3. O-ring 4. EVAP canister vent control valve 5. O-ring Removal and Installation REMOVAL 1. Lift up the v ...