Nissan Altima 2007-2012 Service Manual: Engine control system symptoms
Symptom Table
SYSTEM — BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM — ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection.
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 1,800 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over ...
Other materials:
P0182, P0183 FTT Sensor
Description
The fuel tank temperature sensor is used to detect the fuel temperature
inside the fuel tank. The sensor modifies a voltage signal from
the ECM. The modified signal returns to the ECM as the fuel temperature
input. The sensor uses a thermistor which is sensitive to the
change in te ...
P0451 evap control system pressure
sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously cond ...
Passenger compartment
1. Interior trunk access
2. Moonroof (if so equipped)
3. Sun visors
4. Interior lights, illuminated entry
5. HomeLink® universal transceiver
(if so equipped)
6. Automatic anti-glare rearview mirror
(if so equipped)
7. Glove box
8. Cup holders
9. Console box
10. Front seat
11. Re ...