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Wiring diagrams Section: Theory & Operation

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Engine Controls - Theory & Operation - 2.3L: Overview Mazda Millenia I

Theory & Operation

Detonation (Knock) Retard Operation

Millenia uses an ignition retard system consisting of knock sensor(s) and PCM. The knock sensor detects engine detonation (knocking) in the engine and sends a signal to PCM.

See also:
• WIRING DIAGRAMS - 2.3L