Operation Section
1
–
30
• The target speed varies, depending on the ON/OFF state of the air conditioner and the coolant temperature.
(5) Idle Vibration Reduction Control
• In order to reduce vibration during idling, the angular (time difference between A and B [C and D]) speed of each cylinder is detected
using the speed pulse signal to control the injection quantity of each cylinder. As a result crank angle speed becomes more uniform
and smoother engine operation is achieved.
Q001254E
•Coolant Temperature
•Air Conditioner Load
•Gear Position
Accelerator Opening
Vehicle Speed
Conditions for Start of Control
Control Conditions
Target Speed
Calculation
Comparison
Injection
Quantity
Correction
Speed
Detection
Air Conditioner S/W
Coolant Temperature
Neutral S/W
Target Speed
Calculation
Injection
Quantity
Determination
[Target speed]
800
20
Coolant water temperature (°C)
QD1172
Engine speed (rpm)
A/C ON/OFF
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