Nissan Altima 2007-2012 Service Manual: Engine control system
System Diagram
System Description
ECM performs various controls such as fuel injection control and ignition timing control.
Component Parts Location
1. Intake valve timing control solenoid valve
2. Ignition coil (with power transistor) and spark plug
3. Knock sensor, Crankshaft position sensor (POS)
4. Air fuel ratio (A/F) sensor 1
5. Camshaft position sensor (PHASE)
6. Engine coolant temperature sensor
7. Park/neutral position (PNP) switch
8. ECM
9. Refrigerant pressure sensor
10. Battery current sensor
11. IPDM E/R
12. Mass air flow sensor (with intake temperature sensor)
13. EVAP service port
14. Electric throttle control actuator (with built in throttle position sensor and throttle control motor)
15. EVAP canister purge volume control solenoid valve
16. Fuel injector
17. Power steering pressure sensor
1. Battery
2. Fuel pump fuse (15A)
3. IPDM E/R
4. Brake master cylinder
5. Engine ground
6. Air cleaner assembly
7. Mass air flow sensor (with intake air temperature sensor)
8. Radiator hose (upper)
9. Engine coolant temperature sensor
10. Intake air duct
11. Camshaft position sensor (PHASE)
12. Tie rod (RH)
13. Power steering pressure sensor
14. Knock sensor
15. Engine oil cooler
16. Crankshaft position sensor (POS)
17. Drive shaft (RH)
1. Exhaust manifold cover
2. Air fuel ratio (A/F) sensor 1
3. Heated oxygen sensor 2 (This illustration is a view from under vehicle.)
4. Engine oil pan
1. EVAP service port
2. Intake air duct
3. EVAP canister purge volume control solenoid valve
4. Intake manifold collector
5. Park/neutral position (PNP) switch (CVT) (This illustration is view with air cleaner assembly removed.)
6. Park/neutral position (PNP) switch (M/T) (This illustration is view with air cleaner assembly removed.)
7. Intake valve timing control solenoid valve (This illustration is view with engine removed.)
8. Exhaust manifold cover
9. Air fuel ratio (A/F) sensor 1
10. Air fuel ratio (A/F) sensor 1 harness connector
11. Heated oxygen sensor 2 (This illustration is view from under vehicle.)
12. Heated oxygen sensor 2 harness connector (This illustration is view from under vehicle.)
13. Engine oil pan
1. Throttle valve (This illustration is view with intake air duct removed.)
2. Electric throttle control actuator
3. Fuel injector harness connector
4. Condenser-2
5. Radiator hose (upper)
6. Battery
7. ECM
8. Fuel level sensor unit and fuel pump harness connector (This illustration is view with rear seat cushion and inspection hole cover removed.)
9. Fuel level sensor unit and fuel pump assembly
10. Fuel pressure regulator
11. Fuel tank temperature sensor
12. EVAP control system pressure sensor (This illustration is view with rear suspension member removed.)
13. EVAP canister vent control valve (This illustration is view with rear suspension member removed.)
14. EVAP canister (This illustration is view with rear suspension member removed.)
1. No.1 ignition coil
2. Cooling fan motor-1 harness connector
3. Cooling fan motor-2 harness connector
4. Refrigerant pressure sensor
5. Accelerator pedal position sensor
6. ASCD brake switch
7. Stop lamp switch
8. Brake pedal
9. ASCD clutch switch
10. Clutch pedal
11. ASCD steering switch
12. CANSEC switch
13. RESUME/ACCELERATE switch
14. SET/COAST switch
15. MAIN switch
Component Description
Multiport fuel injection system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: This sensor is not used to control the engine system under normal
conditions.
*2: This signal is sent to the ECM through CAN ...
Other materials:
Moonroof (if so equipped)
AUTOMATIC MOONROOF
switch is placed in the ON position. The automatic
moonroof is operational for a period of time,
even if the ignition switch is placed in the ACC or
OFF position. If the driver’s door or the front
passenger’s door is opened during this period of
time, the power to the ...
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 ...
How to use the touch screen
CAUTION
● The glass display screen may break if it
is hit with a hard or sharp object. If the
glass screen breaks, do not touch it.
Doing so could result in an injury.
● To clean the display, never use a rough
cloth, alcohol, benzine, thinner or any
kind of solvent or paper towe ...