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Home >> Pontiac >> 2001 >> Sunfire L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Electronic Ignition (EI) System >> System Components >> Ignition Control Module (ICM)
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Ignition Control Module (ICM)

The ICM receives the Ignition Control (IC) signals from the Powertrain Control Module (PCM) which in turn triggers the corresponding ignition coils. Since the PCM controls spark timing and ignition control during crank and run, there is no bypass mode. The ICM is not repairable. When an ICM is replaced, transfer the remaining components to the new module.

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