Code 31 (GS300 & SC300)
Condition is: no airflow meter signal to ECM for 2 seconds with engine speed more than 300 RPM and engine stalls. Probable cause: open or short in airflow meter circuit, defective airflow meter or defective ECM.
Condition is: no airflow meter signal to ECM for 2 seconds with engine speed more than 300 RPM and engine stalls. Probable cause: open or short in airflow meter circuit, defective airflow meter or defective ECM.