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Home >> Chevrolet >> 2003 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Ignition Systems >> Electronic Ignition System Diagnosis >> Circuit Description

Circuit Description

NOTE: For terminal and circuit identification, see WIRING DIAGRAMS  .

The electronic ignition system uses an individual ignition coil for each cylinder. The Powertrain Control Module (PCM) controls the ignition operation through eight individual Ignition Control (IC) circuits. Each bank of four ignition coils is connected to the PCM, power, or ground by the following circuits

The PCM triggers an ignition coil by grounding the appropriate IC circuit using information from the Crankshaft Position (CKP) and Camshaft Position (CMP) sensors.

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