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Home › Mazda › 2009 › 3 Mazdaspeed, 2.3 L › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System (L3 With TC) › Knock Sensor (KS) Inspection [L3 With TC] › Circuit Open/Short Inspection › Open circuit

Open circuit

If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- KS terminal A and PCM terminal 2U
- KS terminal B and PCM terminal 2V