Subaru Legacy IV (2008 year). Service manual — part 648
GD(H6DO)-212
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EU:DTC P2228 BAROMETRIC PRESSURE CIRCUIT LOW
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of the barometric pressure sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
The barometric pressure sensor is built into the ECM.
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: 500 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
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction criteria
Threshold value
Output voltage
< 1.707 V
Judgement Value
Malfunction criteria
Threshold value
Output voltage
t 1.707 V
GD(H6DO)-213
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EV:DTC P2229 BAROMETRIC PRESSURE CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of the barometric pressure sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
The barometric pressure sensor is built into the ECM.
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: 500 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
Secondary Parameters
Enable Conditions
None
Judgement Value
Malfunction criteria
Threshold value
Output voltage
t 4.234 V
Judgement Value
Malfunction criteria
Threshold value
Output voltage
< 4.234 V
GD(H6DO)-214
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CS-2
General Description
CONTROL SYSTEMS
1. General Description
A: SPECIFICATION
Item
Specification
Swing torque of rod against lever
N (kgf, lb)
3.7(0.38, 0.83) or less
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