5 hours*1 after the engine switch is turned off, the leak detection pump creates negative pressure (vacuum) in the EVAP (Evaporative Emission)
system. The ECM monitors for leaks and actuator malfunctions based on the EVAP pressure.
HINT
*1: If the engine coolant temperature is not below 35锟斤拷C (95锟斤拷F) 5 hours after the engine switch is turned off, the monitor check
starts 2 hours later. If it is still not below 35锟斤拷C (95锟斤拷F) 7 hours after the engine switch is turned off, the monitor check starts 2.5
hours later.
*2: If only a small amount of fuel is in the fuel tank, it takes longer for the EVAP pressure to stabilize.
The leak detection pump creates negative pressure through the reference orifice. When the system is normal, the EVAP pressure is in 724 to 752
mmHg* and saturated within a minute.
If not, the ECM interprets this as a malfunction. The ECM will illuminate the MIL and set DTC if this malfunction is detected in consecutive driving
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