P0077

DTC P0077 INTAKE VALVE CONTROL SOLENOID CIRCUIT HIGH (BANK 1)

1. OUTLINE OF DIAGNOSIS
Detect short circuits of the oil switching solenoid valve.
Judge as a short NG when the current is large even though the output duty is small.




2. ENABLE CONDITION

3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

4. DIAGNOSTIC METHOD




Abnormality Judgment
Judge as NG when the continuous time when the following conditions are established is more than 2 seconds.




Normality Judgment
Judge as OK and clear the NG when the continuous time when the following conditions are established are more than 2 seconds.

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 CONDITION
- When the OK driving cycle is completed 3 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)