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Home >> Mazda >> 2006 >> 6 s, 4D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System (L3 With TC)) >> Heated Oxygen Sensor (Ho2S) Inspection >> Front HO2S Circuit Open/Short Inspection (Sensor) >> Notes

Front HO2S Circuit Open/Short Inspection (Sensor): Notes

WARNING: This page is about a different variant/trim than selected.
  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 Connector Terminals
    G04325272Courtesy of MAZDA MOTORS CORP.
    Fig 2: Identifying Fuse Box Main Relay Connector Terminals
    G04325273Courtesy of MAZDA MOTORS CORP.
    Fig 3: Identifying PCM Sensor Connector Terminals
    G04325274Courtesy of MAZDA MOTORS CORP.
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