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Home >> Infiniti >> 2013 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0102, P0103, P010C, P010D: MAF Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0102 MAF SEN/CIRCUIT-B1
[Mass air flow sensor (bank 1) circuit low input]		 An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
  • Each sensor, connected with sensor power supply 2 circuit
P0103 MAF SEN/CIRCUIT-B1 [Mass air flow sensor (bank 1) circuit high input] An excessively high voltage from the sensor is sent to ECM.
  1. Harness or connectors (The sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  2. Mass air flow sensor
  3. Each sensor, connected with sensor power supply 2 circuit
P010C MAF SEN/CIRCUIT-B2
[Mass air flow sensor (bank 2) circuit low input]		 An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
  • Each sensor, connected with sensor power supply 2 circuit
P010D MAF SEN/CIRCUIT-B2
[Mass air flow sensor (bank 2) circuit high input]		 An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  • Mass air flow sensor
  • Each sensor, connected with sensor power supply 2 circuit
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