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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN 7/VIN L) >> Coolant Control Valve Position Sensor Inspection >> PID/Data Monitor Inspection
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PID/Data Monitor Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Display PCM PIDs [ENG_COOL_VLV_POS_COMD] and [ENG_COOL_VLV_POS_ACT] using the M-MDS. (See PID/DATA MONITOR INSPECTION .)
  4. When the engine is started after switching the ignition ON (engine off), verify that the PID [ENG_COOL_VLV_POS_ACT] value conforms to the PID [ENG_COOL_VLV_POS_COMD] value.