Subaru Legacy IV (2008 year). Service manual — part 618
GD(H6DO)-92
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.
Judgement Value
Malfunction criteria
Threshold value
Catalyst damage misfire judgment value
t Value of Map 3
Intake
air
(g(oz)/rev)
0.2
(0.01)
0.4
(0.01)
0.6
(0.02)
0.8
(0.03)
1
(0.04)
1.2
(0.04)
1.4
(0.05)
1.6
(0.06)
1.8
(0.06)
2
(0.07)
Engine
speed
(rpm)
700
90
90
88
76
68
68
68
68
68
68
1000
90
90
88
76
68
68
68
68
68
68
1500
89
88
80
64
56
56
56
56
56
56
2000
88
84
64
40
36
35
35
35
35
35
2500
88
80
56
36
30
30
30
30
30
30
3000
64
56
30
30
30
30
30
30
30
30
3500
50
40
30
30
30
30
30
30
30
30
4000
40
38
30
30
30
30
30
30
30
30
4500
50
30
30
30
30
30
30
30
30
30
5000
40
30
30
30
30
30
30
30
30
30
5500
40
30
30
30
30
30
30
30
30
30
6000
36
36
30
30
30
30
30
30
30
30
6500
32
32
30
30
30
30
30
30
30
30
7000
32
32
30
30
30
30
30
30
30
30
Judgement Value
Malfunction criteria
Threshold value
Catalyst damage misfire judgment value
< Value of Map 2
GD(H6DO)-93
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BO:DTC P0302 CYLINDER 2 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H6DO)-88, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BP:DTC P0303 CYLINDER 3 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H6DO)-88, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BQ:DTC P0304 CYLINDER 4 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H6DO)-88, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BR:DTC P0305 CYLINDER 5 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H6DO)-88, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BS:DTC P0306 CYLINDER 6 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0301. <Ref. to GD(H6DO)-88, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
GD(H6DO)-94
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BT:DTC P0327 KNOCK SENSOR 1 CIRCUIT LOW (BANK 1 OR SINGLE SENSOR)
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of knock sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITION
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
• Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 1000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more
than the predetermined time.
Time Needed for Diagnosis: Less than 1 second
(A)
To knock sensor harness
(1)
Case
(3)
Piezoelectric element
(5)
Resistance
(2)
Weight
(4)
Nut
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction criteria
Threshold value
Output voltage
< 0.238 V
Judgement Value
Malfunction criteria
Threshold value
Output voltage
t 0.238 V
EN-01707
(1)
(2)
(3)
(4)
(5)
(A)
GD(H6DO)-95
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BU:DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH (BANK 1 OR SINGLE SENSOR)
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of knock sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITION
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
• Abnormality Judgement
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 1000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgement
Judge as OK and clear the NG if the continuous time while the following conditions are established is more
than the predetermined time.
Time Needed for Diagnosis: Less than 1 second
(A)
To knock sensor harness
(1)
Case
(3)
Piezoelectric element
(5)
Resistance
(2)
Weight
(4)
Nut
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction criteria
Threshold value
Output voltage
t 4.714 V
Judgement Value
Malfunction criteria
Threshold value
Output voltage
< 4.714 V
EN-01707
(1)
(2)
(3)
(4)
(5)
(A)
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