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Mazda
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2009
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MX-5 Miata SV
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System (LF 2.0L)
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Engine Coolant Temperature (ECT) Sensor Inspection [LF]
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Circuit Open/Short Inspection
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Open circuit
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Open circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
ECT sensor terminal A and PCM terminal 2AH
ECT sensor terminal B and PCM terminal 2AY