Lifan X60, Руководство по обслуживанию, Страница: 41 / 839

LIFAN X60 Service Manual
5,800rpm.
•
When A/C is working, it is required to cut off A/C compressor when engine speed is
higher than 6,000rpm.
(2) A/C cut-off mode when engine cooling water temperature is too high: to protect engine
•
When A/C is off, it is required to start compressor when cooling water temperature is
below 102°C.
•
When A/C is working, It is required to cut off A/C compressor when cooling water
temperature is above 104°C.
Three-way Catalytic Converter Protective Control Logic
The system will forecast the working temperature of three-way catalytic converter during
engine operation. When the predicted temperature is higher than the protective
temperature, it will start timing; if the working temperature of catalytic converter is
always higher than the protective temperature in the given time, the system will control
fuel supply and enrich air-fuel ratio to reduce the working temperature of catalytic
converter. Later, when the predicted temperature of catalytic converter is reduced, the
previous air-fuel ratio will recover and it is required to continuously forecast the working
temperature of catalytic converter to prepare for protection.
The canister solenoid will control the switching time and timing of the bypass between the
charcoal canister and the air intake pipe to control the fuel steam intake flow and time
into the cylinder, so as to reduce the vehicle’s evaporative emission to the hilt and
reduce the influence on engine performance as much as possible.
Canister solenoid’s working conditions
To reduce the influence of fuel steam on the normal combustion of engine, the following
conditions must be met before the canister solenoid is started:
(1) The system voltage is between 8V and 18V;
(2) The water temperature of engine is higher than 0°.
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