2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Simulation Table

-: Not applicable

SIMULATION PART DESCRIPTION

Simulation item Unit/Condition Operation Operation condition
Engine condition Other condition
A/C_REQ No (False)/Yes (True)
  • Select No/Yes to forcibly change the A/C switch status.
  • Under the following conditions:
    • Idle (no load)
  • Not applicable
A/C_SW Off/On
  • Select Off/On to disengage/engage the magnetic clutch.
  • Under the following conditions:
    • Idle (no load)
  • Not applicable
AIRSHUT_POS_COMD (2) % Open
  • Changes % to forcibly open/close the active air shutter.
  • Not applicable
  • Not applicable
CHARGE_LAMP No (False)/Yes (True)
  • Select No/Yes to turn on/off the charging system warning light.
  • Select No/Yes to display/not display the charging system warning indication on the multi-information display.
  • Under the following conditions:
    • Ignition is switched ON (engine off)
    • Idle
    • Racing (not idle)
  • Not applicable
CSTR_VENT_SOL_DUTY (1) %
  • Changes % and forcibly drives/stops CV solenoid valve.
  • Under the following conditions:
    • Ignition is switched ON (engine off)
    • Idle
    • Racing (not idle)
CAUTION:
  • Do not add fuel with the CV solenoid valve closed. Otherwise, it will result in air pollution because the evaporative gas in the fuel tank will escape directly into the atmosphere.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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