DTC P0103: Mass Airflow Sensor Circuit, High Input: Condition

DTC is set when PCM detect input voltage from Mass Airflow (MAF) sensor is more than 4.9 volts. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during first drive cycle. Possible causes are:

• MAF sensor malfunction.
• Poor connection.
• Short to power between PCM and MAF sensor.