IGNITION COIL [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]

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Purpose, Function

• The ignition coil generates high voltage by electromagnetic induction to discharge the spark plug.

Construction

• The ignition coil is installed to the upper part of the spark plug (direct ignition coil).

• With the adoption of the direct ignition coil, the ignition system parts have been simplified. As a result, voltage decrease is suppressed and ignition performance for the spark plug is stabilized.

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• The ignition coil is built into the igniter and ion sensor. For the ion sensor, refer to CONTROL SYSTEM. (See ION SENSOR [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)].)

Operation

• Optimum ignition timing is performed according to the driving conditions by integrating the ignition control function into the PCM.

With coolant control valve

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Without coolant control valve

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Fail-safe

DTC

Fail-safe

P0300:00

P0301:00

P0302:00

P0303:00

P0304:00

• Limits intake air amount

• Implement fuel-cut control (if the catalytic converter may be damaged, perform fuel-cut on cylinder misfiring the most).