Nissan Altima 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 ...
Other materials:
Rear window defogger power supply
and ground circuit
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the rear window
from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning
the rear window defogge ...
Cooling fan
Removal and Installation
1. Fan blade
2. Fan shroud and motor assembly
REMOVAL
1. Drain engine coolant from the radiator. Refer to CO-12, "Changing Engine
Coolant".
CAUTION:
Perform when engine is cold.
2. Remove air cleaner duct assembly. Refer to EM-25, "Removal and
In ...
Front seat-mounted side-impact supplemental air bag and roof-mounted curtain
side-impact supplemental air bag systems
The side air bags are located in the outside of the
seatback of the front seats. The curtain air bags
are located in the side roof rails. However, all of
the information, cautions and warnings in
this manual still apply and must be followed.
The side air bags and curtain air bags are
desig ...
