DTC P0103: Mass Air Flow Sensor Circuit - High Input: Condition

DTC is set when Engine Control Module (ECM) detects Mass Air Flow (MAF) sensor output voltage is more than 5 volts for 3 seconds continuously with ignition switch in ON position, or for one second with engine running. Possible causes are:

• ECM malfunction.
• MAF sensor malfunction.
• MAF sensor circuit malfunction.