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Home >> Mazda >> 2004 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> Engine Coolant Temperature (ECT) Sensor Inspection >> Circuit Open/Short Inspection >> Notes
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Circuit Open/Short Inspection: Notes

  1. Disconnect the PCM connector.
  2. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
    Fig 1: Identifying Engine Coolant Temperature Sensor Connector Terminals
    G00972603Courtesy of MAZDA MOTORS CORP.
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