If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.



Caution
The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury, observe the following precautions.
When working on the engine compartment
Fuel and battery fumes are flammable.
Caution
When working near the electric cooling fans or radiator grille
Vehicles without a smart key system
Be sure the engine switch is off. With the engine switch in the “on” position, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high.
Vehicles with a smart key system
Be sure the engine switch is off. With the engine switch in ignition on mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high
Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
From getting in your eyes.
Notice
If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air.
HoodDriving information display
■ Drive information
2 items that are selected using
the "Drive Info Items" setting
(average speed and distance)
can be displayed vertically.
Use the displayed information as a
reference only.
"Average Speed": Displays
the average vehicle speed
since engine start*
"Distance": Displays the dist ...
Mass or volume air flow circuit
Description
The mass air flow (maf) meter is a sensor that measures the amount of air
flowing through the throttle
valve.
The ecm uses this information to determine the fuel injection time and to
provide the appropriate air-fuel
ratio.
Inside the maf meter, there is a heated platinu ...
Fuel pump control circuit
Description
When the engine is cranked, the starter relay drive signal output from the
star terminal of the ecm is
input into the sta terminal of the ecm, and ne signal generated by the
crankshaft position sensor is also
input into the ne+ terminal. Thus, the ecm interprets that the engine is ...