MAF sensor screen is blockedĪ MAF V PID (MAF PID) reading less than 4.6 volts (Refer to equivalent grams/second chart in GO to Pinpoint Test DC ) in continuous memory or key ON and engine running indicates a hard fault. If during key ON engine OFF or key ON engine running the air flow (or voltage) changes above a maximum calibrated limit, the test fails. P0103 - Mass Air Flow (MAF) Circuit High Input The MAF sensor circuit is monitored by the PCM for high air flow (or voltage) input through the comprehensive component monitor (CCM). MAF sensor disconnectedĪ closed throttle indication Ī MAF V PID (MAF PID) reading less than 0.23 volts (Refer to equivalent grams/second chart in GO to Pinpoint Test DC ) in continuous memory or key ON and engine running indicates a hard fault. If during key ON engine running the air flow (or voltage) changes below a minimum calibrated limit, the test fails. The MAF sensor circuit is monitored by the PCM for low air flow (or voltage) input through the comprehensive component monitor (CCM). P0102 - Mass Air Flow (MAF) Circuit Low Input Diagnostic Trouble Code (DTC) DescriptionsĭTC - Description Possible Causes Diagnostic Aides
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