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Home >> Suzuki >> 2009 >> Equator Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Control System (VQ40DE) - (4 Of 5)) >> DTC P0101: MAF Sensor >> On Board Diagnosis Logic
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On Board Diagnosis Logic

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DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0101
0101
Mass air flow sensor circuit range/performance A) A high voltage from the sensor is sent to ECM under light load driving condition.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Mass air flow sensor
  • EVAP control system pressure sensor
  • Intake air temperature sensor
B) A low voltage from the sensor is sent to ECM under heavy load driving condition.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
  • EVAP control system pressure sensor
  • Intake air temperature sensor