P2009

DTC P2009 INTAKE MANIFOLD RUNNER CONTROL CIRCUIT LOW (BANK 1)

1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of tumble generator valve motor.
Judge as NG when the overcurrent signal is sent from IC after tumble generator valve driving IC diagnosis.

2. COMPONENT DESCRIPTION






3. ENABLE CONDITION






4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

- Abnormality Judgment
At the main IC, check the sent signal at each timing which occurs just before the tumble generator valve output is set to ON -> OFF, and judge open NG when the open NG signal is sent 96 ms x 10 time(s) in a row.






Time Needed for Diagnosis: 96 ms x 10 time(s)

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

- Normality Judgment
Judge as OK and clear the NG when the OK signal is sent.






Time Needed for Diagnosis: Less than 1 second