Subaru 2009 IMPREZA, Service Manual

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GD(H4SO)-83
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
• Catalyst damage misfire (Misfire occurrence level damaging catalyst)
• Abnormality Judgement
Map 3
Time Needed for Diagnosis: 200 engine revs.
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Time Needed for Diagnosis: 200 engine revs.
AU:DTC P0302 CYLINDER 2 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4SO)-78, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
AV:DTC P0303 CYLINDER 3 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4SO)-78, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
AW:DTC P0304 CYLINDER 4 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H4SO)-78, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Judgement Value
Malfunction Criteria Threshold Value
Catalyst damage misfire judgement
value
t
Value from Map 3
Intake air (g(oz)/rev)
0.16 (0.01) 0.28 (0.01) 0.4 (0.01) 0.52 (0.02) 0.64 (0.02) 0.76 (0.03) 0.92 (0.03) 1.1 (0.04)
Engine
speed
(rpm)
700 100 100 100 100 90 80 64 48
1000 100 100 100 100 90 80 63 44
1500 100 100 90 80 73 67 54 40
2000 80 80 80 80 68 57 51 44
2500 80 80 73 67 62 57 51 44
3000 67 67 62 57 51 44 44 44
3500 67 67 56 44 40 36 34 31
4000 57 57 44 31 24 20 20 20
4500 44 44 33 31 20 20 20 20
5000 44 44 38 31 20 20 20 20
5500 36 36 31 27 20 20 20 20
6000 20 20 20 20 20 20 20 20
6300 20 20 20 20 20 20 20 20
Judgement Value
Malfunction Criteria Threshold Value
Catalyst damage misfire judgement
value < Value of Map 3