DTC - General Description
DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR1. OUTLINE OF DIAGNOSIS
Judge as NG when SUM value of ROM is outside the standard value.
2. ENABLE CONDITION
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
- Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis:
- Main CPU: 16 milliseconds x 32 time
- Sub CPU: 16 milliseconds x 2 time
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.
Time Needed for Diagnosis:
- Main CPU: 16 milliseconds x 125 time
- Sub CPU: 16 milliseconds x 2 time
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 3 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)