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Mazda
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2004
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3 i, Automatic
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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
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Mass Air Flow (MAF) Sensor Inspection
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Circuit Open/Short Inspection
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Notes
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Circuit Open/Short Inspection: Notes
Disconnect the PCM connector. (See
PCM REMOVAL/INSTALLATION
.)
Disconnect the MAF sensor connector.
Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
Fig 1: Identifying MAF/IAT Sensor Connector Terminals
Courtesy of MAZDA MOTORS CORP.