Mike's Workshop Manuals
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Mazda
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2005
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3 SP23, 4D Hatchback, Automatic
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Mass Air Flow (MAF) Sensor Inspection
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Circuit Open/Short Inspection
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Open circuit
Open circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
MAF sensor terminal A and main relay terminal E
MAF sensor terminal B and PCM terminal 1BD
MAF sensor terminal C and PCM terminal 1AC