DTC P0103: Mass Air Flow Sensor Circuit - High Input: Condition
WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
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.