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Home >> Geo >> 1997 >> Metro Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation 1.0 & 1.3L >> Computerized Engine Controls >> Input Devices >> Ignition Signal
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Ignition Signal

Ignition system circuit sends a signal to PCM when ignition switch is in ON position. PCM detects status of ignition coil and uses signal for controlling various circuits and devices.

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