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Mazda
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2004
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6 s, 4D Hatchback, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (AJ)
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Heated Oxygen Sensor (H02S) Inspection
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Circuit Open/Short Inspection
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Notes
Circuit Open/Short Inspection: Notes
Disconnect the PCM connector. (See
PCM REMOVAL/INSTALLATION
.)
Inspect the following harness for open or short circuit. (Continuity check)
Fig 1: HO2S Harness Side Connector Views & Terminal Identification (All Connectors)
Courtesy of MAZDA MOTORS CORP.