Subaru IMPREZA GD 2007 Series Manual page 2337

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EL:DTC P2433 SECONDARY AIR INJECTION SYSTEM AIR FLOW /PRESSURE
SENSOR CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Judge as NG if out of specification.
2. ENABLE CONDITION
Secondary Parameters
None
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG if the continuous time of meeting the following conditions is 0.5 seconds or more.
Judgment Value
Malfunction Criteria
Ignition switch
Output voltage
Time Needed for Diagnosis: 0.5 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Normality Judgment
Judge as OK and clear the NG if the following conditions are established.
Judgment Value
Malfunction Criteria
Ignition switch
Output voltage
5. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
• When the OK driving cycle is completed three times in a row
• When "Clear Memory" is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
EM:DTC P2441 SECONDARY AIR INJECTION SYSTEM SWITCHING VALVE
STUCK CLOSED (BANK 1)
NOTE:
For diagnostic procedures, refer to DTC P0410. <Ref. to GD(STI)-117, DTC P0410 SECONDARY AIR IN-
JECTION SYSTEM, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Enable Conditions
Threshold Value
ON
≥ 4.921 V
Threshold Value
ON
< 4.921 V
GD(STI)-270