P2004

DTC P2004 INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN (BANK 1)

1. OUTLINE OF DIAGNOSIS
Detect the malfunction of tumble generator valve motor function.

Judge open fixing malfunction when the opening degree is large even after finishing the tumble generator valve closing driving.

2. ENABLE CONDITION

Enable Conditions:

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 more than 3 seconds.






Time Needed for Diagnosis: 3 seconds

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.






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 3 times in a row
- When "Clear Memory" is performed

7. FAIL SAFE

Tumble generator valve opening
- For tumble generator valve full closing points learning, not allowed to update to closing side.
- For tumble generator valve full opening points learning, not allowed to update to opening side.

Tumble generator valve control
- Output the open signal.

8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)