DTC P1101: Mass Air Flow (MAF) Sensor Out Of Self-Test Range

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P1101 - MASS AIR FLOW (MAF) SENSOR OUT OF SELF-TEST RANGE

Description:	The MAF sensor circuit is monitored by the powertrain control module (PCM) for an out of range air flow (or voltage) input. If, during key on engine off (KOEO), the air flow voltage signal is greater than 0.27 volt the test fails. Likewise, if, during key on, engine running (KOER), the air flow voltage signal is not within 0.46 volt to 2.44 volts, the test fails.
Possible Causes:	Low battery charge. MAF sensor partially connected. MAF sensor contamination. PWR GND open to the MAF sensor. MAF RTN circuit open to PCM. Damaged MAF sensor.
Diagnostic Aids:	A MAF V PID reading greater than 0.27 volt (KOEO) or a MAF V PID reading outside the 0.46 volt to 2.44 volts range (KOER) indicates a hard fault.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test DC .	GO to Pinpoint Test DC .	-