Mode E (Measurement of reference pressure for judgment)

1. Purpose: Judge the reference pressure stability.

   Judge as NG when the following conditions are established.

   JUDGMENT VALUE
   
   

   Malfunction Criteria	Threshold Value	DTC
   |Pressure sensor maximum output value - Pressure sensor minimum output value|	> 0.3 kPa (2.355 mmHg, 0.1 inHg)	P2404

2. Purpose: Judge whether the reference pressure is within the normal range, and detect the vacuum pump and orifice malfunctions. Judge the vacuum pump performance stability.

   Judge as NG when the following conditions are established.

   JUDGMENT VALUE
   
   

   Malfunction Criteria	Threshold Value	DTC
   Reference pressure for judgment	< Value of Map 5 or > Value of Map 6	P2404

   MAP 5
   
   

   Atmospheric pressure	kPa (mmHg, inHg)	70 (525, 20.7)	80 (600, 23.6)	90 (675, 26.6)	100 (750, 29.5)
   Reference pressure for judgment	kPa (mmHg, inHg)	-4.5 (-34.02, -1.3)	-4.6 (-34.815, -1.4)	-4.7 (-35.618, -1.4)	-4.9 (-36.42, -1.4)

   MAP 6
   
   

   Atmospheric pressure	kPa (mmHg, inHg)	70 (525, 20.7)	80 (600, 23.6)	90 (675, 26.6)	100 (750, 29.5)
   Reference pressure for judgment	kPa (mmHg, inHg)	-0.8 (-6.18, -0.2)	-0.9 (-6.983, -0.3)	-1 (-7.785, -0.3)	-1.1 (-8.58, -0.3)

3. Purpose: Judge the presence of evaporative emission system leak.

   Judge as NG when the following conditions are established.

   JUDGMENT VALUE
   
   

   Malfunction Criteria	Threshold Value	DTC
   < Large leak (0.04 inch) >		P0455
   Leak pressure	≥ lleakjdg (Pa)
   lleakjdg = (Reference pressure for judgment) x 0.377 - (-45.5 Pa)
   < Very small leak (0.02 inch) >		P0456
   Leak pressure	< lleakjdg (Pa)

Time Needed for Diagnosis:  Approx. 23 min

• Abnormality Judgment 

At next engine start, confirm whether the enable conditions are satisfied even though refueling has been done during soaking, and determine the malfunction.

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

• Normality Judgment 

At next engine start, confirm whether the enable conditions are satisfied even though refueling has been done during soaking, then, if the following conditions are established, judge as OK and clear the NG.