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Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System] >> Engine Control System Operation Inspection >> Evaporative System Test Procedure
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Evaporative System Test Procedure

  1. Select the EVAP system test from the Toolbox on the M-MDS display and follow the instructions.
  2. Verify that all of the following PIDs are within the specifications at the pre-test confirmation screen.
    NOTE:
    • To successfully perform this procedure, all PIDs must be within the following specifications before proceeding to the next step.
    • The PCM will cancel the EVAP system test if the VPWR PID value falls lower than 11.0 V  during the test.
    SPECIFICATION

    PID PID Range
    BARO 72.2 kPa {543 mmHg, 21.3 inHg} or more 
    FLI 15-85% 
    IAT 5-45°C{41-113°F} 
    VPWR 11.0V or more 
  3. Start the engine.
    CAUTION:
    • While performing this step, always operate the vehicle in a safe and lawful manner.
  4. Drive the vehicle or let the engine idle more than 20 min. 
  5. Turn ignition switch off, then turn it to the ON position again (Key On Engine Off).
  6. Press the tick icon to start the test.
  7. Verify that no DTCs present after the completion of the test.
    • if any test result is indicated with red, diagnose the problem using the following DTC troubleshooting procedure or component inspection procedure.
    • If any DTCs are detected, diagnose the problem using the appropriate DTC troubleshooting procedure. (See DTC TABLE ).