Subaru IMPREZA GD 2007 Series Manual page 2248

asieps_tobira_IM_US.book 181 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Diagnostic Trouble Code (DTC) Detecting Criteria
CG:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
ERROR
1. OUTLINE OF DIAGNOSIS
Judge as NG when SUM value of ROM is outside the standard value.
2. ENABLE CONDITION
Secondary Parameters
Ignition switch
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of meeting the malfunction criteria below becomes 0.5 seconds or
more.
Judgment Value
Malfunction Criteria
SUM value of ROM
Time Needed for Diagnosis: Undetermined
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
5. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed (Only with engine stopped)
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
• When the OK driving cycle is completed three times in a row
• When "Clear Memory" is performed (Only with engine stopped)
7. FAIL SAFE
Stop the continuity to the electronic throttle control motor. (Throttle opening is fixed to 6°.)
8. ECM OPERATION AT DTC SETTING
• Memorize the freeze frame data. (For test mode $02)
• Memorize the diagnostic value and trouble standard value. (For test mode $06)
Enable Conditions
ON
Threshold Value
Standard
GD(STI)-181
GENERAL DESCRIPTION