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Home >> Mazda >> 2000 >> MPV ES >> Repair and Diagnosis >> General Information >> OBD-II Drive Cycles >> Drive Cycles >> 2010-13: MAZDA3 (W/O Turbo) >> Mode 03 (EGR System, A/F sensor heater, HO2S heater, A/F sensor, HO2S and TWC Repair Verification Drive Mode)

Mode 03 (EGR System, A/F sensor heater, HO2S heater, A/F sensor, HO2S and TWC Repair Verification Drive Mode)

  1. Start the engine and warm it up completely.
  2. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
  3. Drive the vehicle as shown in the graph in illustration. The driving conditions before driving at constant speed are not specified.
    Fig 1: Driving Pattern Of Vehicle Speed (Mode 03)
    G00526369Courtesy of MAZDA MOTORS CORP.
  4. Stop the vehicle and access ON BOARD SYSTEM READINESS menu of GENERIC OBD-II FUNCTION to verify the OBD monitoring status.
    • If completed, the OBD monitoring status items change from non-completed to completed.
    • If not completed, switch the ignition to off then repeat from Step 4.
  5. Access DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD-II FUNCTIONS to verify the monitor results.
    • If detected values are not within the specification, repair has not been completed.
  6. Verify no DTCs are available.
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