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Home › Mazda › 2011 › CX-9 Touring, 3.7 V, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System [MZI-3.7] › A/F Sensor Heater Inspection › Circuit Open/Short Inspection › Notes

Circuit Open/Short Inspection: Notes

Fig 1: Identifying A/F Sensor Connector Terminals
G00512267Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
  2. Disconnect the A/F sensor connector.
  3. Disconnect the PCM
  4. Inspect the following wiring harness for open or short. (Continuity inspection)
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