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Home >> Mazda >> 2025 >> CX-5 S Select >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine (VIN M) >> Engine Control System Operation Inspection >> Drive-by-wire Control System Inspection >> Electronic Control Throttle Operation Inspection
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Electronic Control Throttle Operation Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Perform the KOEO or KOER self test. (See KOEO/KOER SELF TEST [PCM (VIN M (With Cylinder Deactivation))] .)
  3. Verify that none of the following DTCs are displayed:
    • P0122-00:, P0123-00:, P0222-00:, P0223-00:, P0638-00:, P2101-00:, P2107-00:, P2109-00:, P2110-00:, P2112-00:, P2119-00:, P2122-00:, P2123-00:, P2127-00:, P2128-00:, P2135-00:, P2138-00:
  4. Access the following PCM PIDs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (VIN M (With Cylinder Deactivation))] .)
    • ETC_ACT
    • ETC_DSD
  5. With the accelerator pedal not depressed and with it depressed to the floor, verify that the data monitor item ETC_ACT value changes in conjunction with the ETC_DSD value.