Operation CHARM
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Infiniti
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1994
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G20 L4-2.0L (SR20DE)
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Control Module
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Description and Operation
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Canada
Canada
Power Transistor:
OPERATION
The ignition signal from the ECM is amplified by the
power transistor
, which turns the ignition coil primary circuit on and off, inducing the proper high voltage in the secondary circuit.