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Home › Mazda › 2006 › MX-5 Miata Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Coolant Temperature (ECT) Sensor Inspection › Circuit Open/Short Inspection › Open Circuit

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