Theft deterrent system
Warning lights and indicatorsThrottle actuator control motor circuit
Description
The throttle actuator is operated by the ecm and opens and closes the
throttle valve using gears.
The opening angle of the throttle valve is detected by the throttle position (tp)
sensor, which is mounted
on the throttle body. The tp sensor provides feedback to the ecm. This ...
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 ...
Mechanical system tests
Stall speed test
Hint:
This test is to check the overall performance of the
engine and transaxle.
Notice:
Do not perform the stall speed test longer than 5
seconds.
To ensure safety, perform this test in an open and
level area that provides good traction.
The stall speed test sh ...