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:
P1574 ASCD Vehicle speed sensor
Description
The ECM receives two vehicle speed signals via CAN communication line. One is
sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these signals for ASCD control.
Refer to EC-603, "System Description" for ASCD functions.
D ...
B2191, P1615 difference of key
Description
Performs ID verification through BCM and Intelligent Key when push-button
ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.P ...
B1150 – B1153 side curtain air bag
module LH
Description
DTC B1150 – B1153 LH SIDE CURTAIN AIR BAG MODULE
The LH side curtain air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the LH side curtain
air bag module.
PART LOCATION
Refer t ...