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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (On-Board Diagnostic - Pcm (VIN A) (1 Of 4)) >> DTC P0100-00: MAF Sensor Control System: Internal Malfunction (PYUL) >> Details On DTCs

Details On DTCs

WARNING: This page is about a different variant/trim than selected.
P0100-00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location MAF sensor control system: Internal malfunction
Detection condition Determination conditions
  • Any one of the following conditions is met:
    • The MAF sensor/IAT sensor No. 1 determines an internal malfunction itself and the PCM receives an error signal from the MAF sensor/IAT sensor No. 1 for the specified period of time.
    • A value other than the preset standard for the output value from the MAF sensor is received for the specified period of time.
Preconditions
  • Engine speed: 500 RPM or more *1
  • The following DTCs are not detected:
    • MAF sensor/IAT sensor No. 1: U060F-00

    *1: Standard can be verified by displaying PIDs using M-MDS

Malfunction determination period
  • Not applicable
Drive cycle
  • 1
Self test type
  • CMDTC self test, KOEO self test, KOER self test
Sensor used
  • MAF sensor/IAT sensor No. 1
Fail-safe
  • Restricts the upper limit of the engine speed.
  • Inhibits the evaporative purge control.
  • Inhibits engine-stop by i-stop control.
Vehicle status when DTCs are output
  • Rough idling, poor acceleration, stalling
Possible cause
  • MAF sensor/IAT sensor No. 1 incorrect installation
  • Malfunction in wiring harness (including connector/terminal) between MAF sensor/IAT sensor No. 1 and PCM
  • MAF/IAT sensor No. 1 malfunction
  • PCM malfunction