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Home >> Mazda >> 2009 >> CX-9 Touring, 3.7 A, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (MZI-3.7) >> Front Heated Oxygen Sensor (Ho2S) Inspection [MZI-3.7] >> Circuit Open/Short Inspection >> Notes

Circuit Open/Short Inspection: Notes

  1. Disconnect the PCM connector. See PCM REMOVAL/INSTALLATION [MZI-3.7] .
  2. Inspect the following wiring harness for open or short (continuity check).
    Fig 1: Identifying PCM Warning Harness-Side Connector
    G05507974Courtesy of MAZDA MOTORS CORP.
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