Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 322
GD(H4DOTC)-40
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Z: DTC P0107 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE
CIRCUIT LOW INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of intake manifold pressure sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
(A)
Output voltage
(B)
Absolute pressure
(1)
Connector
(2)
Terminals
(3)
O-ring
Secondary Parameters
Enable Conditions
None
EN-01765
(B)
(A)
(2)
(3)
(1)
GD(H4DOTC)-41
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
• Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
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
Judgment Value
Malfunction Criteria
Threshold Value
Output voltage
≤ 0.822 V (Models without SI-DRIVE)
≤ 0.581 V (Models with SI-DRIVE)
Judgment Value
Malfunction Criteria
Threshold Value
Output voltage
> 0.822 V (Models without SI-DRIVE)
> 0.581 V (Models with SI-DRIVE)
GD(H4DOTC)-42
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
AA:DTC P0108 MANIFOLD ABSOLUTE PRESSURE/BAROMETRIC PRESSURE
CIRCUIT HIGH INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of intake manifold pressure sensor.
Judge as NG if out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
(A)
Output voltage
(B)
Absolute pressure
(1)
Connector
(2)
Terminals
(3)
O-ring
Secondary Parameters
Enable Conditions
None
EN-01765
(B)
(A)
(2)
(3)
(1)
GD(H4DOTC)-43
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
• Abnormality Judgment
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2000 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
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
Judgment Value
Malfunction Criteria
Threshold Value
Output voltage
≥ 4.474 V (models without SI-DRIVE)
≥ 4.681 V (models with SI-DRIVE)
Judgment Value
Malfunction Criteria
Threshold Value
Output voltage
< 4.474 V (models without SI-DRIVE)
< 4.681 V (models with SI-DRIVE)
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