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Home >> Mazda >> 2007 >> 6 i, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3) >> Heated Oxygen Sensor (Ho2S) Inspection >> Front HO2S circuit open/short inspection (sensor) >> Notes

Front HO2S circuit open/short inspection (sensor): Notes

  1. Disconnect the PCM connector.
  2. Disconnect the front HO2S connector.
  3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
    Fig 1: Identifying Front HO2S Harness Side Connector Terminals
    G04325170Courtesy of MAZDA MOTORS CORP.
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