FixVault

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0101

MAF SEN/CIRCUIT-B1

(Mass or volume air flow "A" circuit range/performance)

  • A low frequency from the sensor is sent to ECM under light load driving condition.
  • A high frequency from the sensor is sent to ECM under heavy load driving condition.