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Home >> Mazda >> 2024 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> Engine Control System Operation Inspection >> Electric Variable Valve Timing Driver Control System Inspection

Electric Variable Valve Timing Driver Control System Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Perform the KOER self test. (See DTC INSPECTION .)
  3. Verify that DTC P0010:00 or P1380:00 is not displayed. (See DTC INSPECTION .)
  4. Perform the Drive Mode 03 (Variable Valve Timing, A/F Sensor, HO2S and TWC Repair Verification Drive Mode). (See OBD DRIVE MODE [PCM (SKYACTIV-G)] .)
  5. Verify that DTC P0011:00 or P0012:00 is not displayed. (See DTC INSPECTION .)
  6. Access the following PCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION .)
    • VLV_TIMING_ACT_IN
    • VLV_TIMING_DSD_IN
      CAUTION:
      • While performing this step, always operate the vehicle in a safe and lawful manner.
      • When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
  7. Accelerate and decelerate the vehicle, and drive at normal speed, and verify that the data monitor item [VLV_TIMING_ACT_IN] value changes in conjunction with the [VLV_TIMING_DSD_IN] value.