DTC P0102: Mass Air Flow Sensor Circuit - Low Input: Condition
WARNING: This page is about a different car, the 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when ECM (PCM) detects Mass Air Flow (MAF) sensor output voltage is less than 0.3 volt for one second continuously with engine running. Possible causes are:
- ECM (PCM) malfunction.
- MAF sensor malfunction.
- MAF sensor circuit malfunction.