Dr-4: Code 12, Airflow Sensor Circuit

Fig 1: Test DR-4 Code 12 Schematic (1 of 3) Airflow Sensor Circuit

Fig 2: Test DR-4 Code 12 Flow Chart (1 of 3) Airflow Sensor Circuit

Fig 3: Test DR-4 Code 12 Schematic (2 of 3) Airflow Sensor Circuit

Fig 4: Test DR-4 Code 12 Flow Chart (2 of 3) Airflow Sensor Circuit

Fig 5: Test DR-4 Code 12 Schematic (3 of 3) Airflow Sensor Circuit

Fig 6: Test DR-4 Code 12 Flow Chart (3 of 3) Airflow Sensor Circuit