FixVault

DTC Detection Logic

  1. A high voltage from the sensor is sent to ECM under light load driving condition.
  2. A low voltage from the sensor is sent to ECM under heavy load driving condition.
DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0101 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit range/performance)
1 Diagnosis condition -
Signal (terminal) Voltage signal transmitted from MAF sensor to ECM
Threshold A high voltage from the sensor is sent to ECM under light load driving condition
Diagnosis delay time -
2 Diagnosis condition -
Signal (terminal) Voltage signal transmitted from MAF sensor to ECM
Threshold A low voltage from the sensor is sent to ECM under heavy load driving condition
Diagnosis delay time -