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.

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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 1,400 rpm under no load (for example, the selector lever position is P or N and engine speed is over 1 ...

    Other materials:

    Three-way catalyst
    The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNING ● The exhaust gas and the exhaust system are very hot. Keep people, animals or flammable mater ...

    Changing engine coolant
    A NISSAN dealer can change the engine coolant. The service procedure can be found in the NISSAN Service Manual. Improper servicing can result in reduced heater performance and engine overheating. WARNING ● To avoid the danger of being scalded, never change the coolant when the engin ...

    CVT Fluid
    Inspection CHECKING CVT FLUID Fluid level should be checked with the fluid warmed up to 50 to 80°C (122 to 176°F). The fluid level check procedure is as follows: 1. Check for fluid leakage. 2. With the engine warmed up, drive the vehicle in an urban area. When ambient temperature is 20 ...