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Home >> Subaru >> 2011 >> Legacy Premium, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak) >> Diagnostic Method >> Mode E: (Evaporation occurrence amount calculation)

Mode E: (Evaporation occurrence amount calculation)

WARNING: This page is about a different variant/trim than selected.

Calculate the change of tank pressure with the time evpdset (P1) to judge as NG/OK according to the value of P1. (ambiguous determination acceptable).

Judge as NG when the following conditions are established.

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
P1 < Value of Map 12
MAP 12 MALFUNCTION CRITERIA LIMIT FOR EVAPORATION DIAGNOSIS

Time (evpdset) vs. Fuel level 40000 ms 60000 ms 105000 ms 110000 ms 140000 ms 160000 ms 180000 ms 200000 ms
10.5 (2.77 US gal, 2.31 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.1 kPa (0.70 mmHg, 0 inHg) 0.3 kPa (2.18 mmHg, 0.1 inHg) 0.3 kPa (2.23 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.4 kPa (2.72 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg)
27 (7.13 US gal, 5.94 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.2 kPa (1.81 mmHg, 0.1 inHg) 0.3 kPa (2.46 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg) 0.4 kPa (2.90 mmHg, 0.1 inHg)
43 (11.36 US gal, 9.46 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.2 kPa (1.53 mmHg, 0.1 inHg) 0.3 kPa (2.49 mmHg, 0.1 inHg) 0.3 kPa (2.60 mmHg, 0.1 inHg) 0.3 kPa (2.60 mmHg, 0.1 inHg) 0.3 kPa (2.60 mmHg, 0.1 inHg) 0.3 kPa (2.60 mmHg, 0.1 inHg) 0 kPa (0.00 mmHg, 0 inHg)
59.5 (15.72 US gal, 13.09 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.2 kPa (1.31 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.3 kPa (2.53 mmHg, 0.1 inHg) 0.2 kPa (1.26 mmHg, 0 inHg) 0 kPa (0.00 mmHg, 0 inHg)

Time Needed for Diagnosis:  Value of Map 1 + Value of Map 2 + Value of Map 3 + 0 ms + Value of Map 4 + 0 ms + Value of Map 4 + Value of Map 5

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

Judge as OK when the following conditions are established.

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
P1 > Value of Map 13
MAP 13 MALFUNCTION CRITERIA LIMIT FOR EVAPORATION DIAGNOSIS

Time (evpdset) vs. Fuel level 20000 ms 60000 ms 105000 ms 110000 ms 140000 ms 160000 ms 180000 ms 200000 ms
10.5 (2.77 US gal, 2.31 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.3 kPa (2.20 mmHg, 0.1 inHg) 0.5 kPa (3.68 mmHg, 0.1 inHg) 0.5 kPa (3.73 mmHg, 0.1 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.6 kPa (4.22 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg)
27 (7.13 US gal, 5.94 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.4 kPa (3.31 mmHg, 0.1 inHg) 0.5 kPa (3.96 mmHg, 0.2 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg) 0.6 kPa (4.40 mmHg, 0.2 inHg)
43 (11.36 US gal, 9.46 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.4 kPa (3.03 mmHg, 0.1 inHg) 0.5 kPa (3.99 mmHg, 0.2 inHg) 0.5 kPa (4.10 mmHg, 0.2 inHg) 0.5 kPa (4.10 mmHg, 0.2 inHg) 0.5 kPa (4.10 mmHg, 0.2 inHg) 0.5 kPa (4.10 mmHg, 0.2 inHg) 0.2 kPa (1.50 mmHg, 0.1 inHg)
59.5 (15.72 US gal, 13.09 Imp gal) 0 kPa (0.00 mmHg, 0 inHg) 0.4 kPa (2.81 mmHg, 0.1 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.5 kPa (4.03 mmHg, 0.2 inHg) 0.4 kPa (2.76 mmHg, 0.1 inHg) 0.2 kPa (1.50 mmHg, 0.1 inHg)

Time Needed for Diagnosis:  Value of Map 1 + Value of Map 2 + Value of Map 3 + 0 ms + Value of Map 4 + 0 ms + Value of Map 4 + Value of Map 5