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Home >> Mazda >> 2011 >> CX-9 Sport, 3.7 A, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [MZI-3.7] >> Heated Oxygen Sensor (Ho2S) Inspection >> Circuit Open/Short Inspection >> Notes
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Circuit Open/Short Inspection: Notes

Fig 1: Identifying HO2S Sensor Connector Terminals
G00512272Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
  2. Disconnect the HO2S connector
  3. Disconnect the PCM connector.
  4. Inspect the following wiring harness for open or short (continuity check).
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