Subaru 2009 IMPREZA Service Manual page 1675

Diagnostic Trouble Code (DTC) Detecting Criteria
• Catalyst damage misfire (Misfire occurrence level damaging catalyst)
• Abnormality Judgement
Judgement Value
Malfunction Criteria
Catalyst damage misfire judgement value
Map 3
0.2
(0.01)
700 148
1000 148
1500 140
2000 128
2500 116
3000 108
Engine
3500 98
speed
4000 69
(rpm)
4500 60
5000 55
5500 54
6000 52
6500 50
6700 50
Time Needed for Diagnosis: 200 engine revs.
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judgement Value
Malfunction Criteria
Catalyst damage misfire judgement value
Time Needed for Diagnosis: 200 engine revs.
AT:DTC P0302 CYLINDER 2 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4DOTC)-81, DTC P0301 CYLINDER 1 MIS-
FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
AU:DTC P0303 CYLINDER 3 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4DOTC)-81, DTC P0301 CYLINDER 1 MIS-
FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
AV:DTC P0304 CYLINDER 4 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4DOTC)-81, DTC P0301 CYLINDER 1 MIS-
FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Threshold Value
Value from Map 3
0.4 0.6 0.8
(0.01) (0.02) (0.03)
128 116 106
128 114 104
118 102 90
90 90 73
87 57 45
87 58 39
74 43 27
61 40 27
55 34 25
55 34 23
54 33 22
52 32 21
50 30 20
50 30 20
Threshold Value
< Value of Map 3
GD(H4DOTC)-87
Intake air (g(oz)/rev)
1 1.2 1.4
(0.04) (0.04) (0.05)
100 90 90
92 85 85
85 85 85
58 43 40
39 36 34
36 36 32
23 22 20
22 20 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20
GENERAL DESCRIPTION
1.6 1.8 2
(0.06) (0.06) (0.07)
90 90 90
85 85 85
72 72 72
36 32 20
32 30 20
30 28 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20
20 20 20