2020 Subaru Forester P code Page 179

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 immediately after the tumble generator valve output is set to OFF -> ON,

and judge open NG when the open NG signal is sent 96 ms x 20 time(s) in a row.

Time Needed for Diagnosis: 96 ms x 20 time(s)

Malfunction Indicator Light Illumination:00 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

P2012

DTC P2012 INTAKE MANIFOLD RUNNER CONTROL CIRCUIT LOW (BANK 2)

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