FixVault

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.
  • 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
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