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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> General Information >> OBD-II Drive Cycles >> Drive Cycles >> 2009: CX-7 >> Mode 03 (A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S, and TWC Repair Verification Drive Mode)

Mode 03 (A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S, and TWC Repair Verification Drive Mode)

  1. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
  2. Drive the vehicle as shown in the graph. The driving conditions before driving at constant speed are not specified.
    Fig 1: Vehicle Speed/Time Graph
    G04859351Courtesy of MAZDA MOTORS CORP.
  3. 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, turn the ignition switch off then repeat from Step 2.
  4. 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.
  5. Verify no DTCs are available.
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