2. Check that the idle speed corresponds to the nominal value (see section "Checking the idle speed").
3. Set the air conditioner switch to "ON". Make sure the idle speed is within the rated value with the A/C running and under varying A/C load.
Rated value:
GDI engines:
- When working with low load - 700 + 50 rpm
- When working with a high load - 850±50 rpm (800±50 rpm) *
- MPI motors - 800±100 rpm
Note:
- The symbol indicates that for the 4G93-GDI engine, after 4 minutes or more of engine operation at the base idle speed, the high idle speed will temporarily become 800±50 rpm.
- - The amount of increased idle speed is set by the engine management system depending on the signal from the air conditioning electronic control unit.
- - Under the high load on the air conditioner is understood the fulfillment of the following conditions:
- 1) Outside temperature (at the evaporator inlet) above 25°C, mode on "Ventilation".
- 2) The evaporator outlet air temperature is above 15°C, the mode is on "Ventilation".
- 3) The evaporator outlet air temperature is above 8°C, the mode is on "recycling".
Under low load on the air conditioner is understood the fulfillment of conditions different from those specified when the air conditioner is operating with a high load.
4. In case of discrepancy between the value of the increased idle speed and the nominal value, check the components of the fuel injection system (see relevant chapter).