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Home >> Mazda >> 2021 >> 3 Turbo, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN Y) >> WASTEGATE Valve Position Sensor Inspection >> Function Inspection
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Function Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Display the PCM PID [WASTEGATE_POS_ACT] and [WASTEGATE_POS_ACT_VOLT]. (See PID/DATA MONITOR INSPECTION .) (See PID/DATA MONITOR TABLE [PCM (VIN Y)] .)
  4. Compare the voltage and opening angle indications for the PIDs [WASTEGATE_POS_ACT_VOLT] and [WASTEGATE_POS_ACT] with the standard in the table indicated below.
    • If they do not match the standard, perform the voltage inspection. (See VOLTAGE INSPECTION .)
STANDARD VOLTAGE SPECIFICATION

WASTEGATE_POS_ACT_VOLT WASTEGATE_POS_ACT Remarks
V %
Approx. 4.2 Approx. 100 Ignition switched ON (engine off)
Approx. 4.06 Approx. 95 Idle (after warm up)
Approx. 1.48 Approx. 0 Racing (Engine speed: 2, 000 rpm)