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Home >> Pontiac >> 2001 >> Aztek Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0201-206: Injector Control Circuit >> Description
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DTC P0201-206: Injector Control Circuit: Description

PCM enables appropriate fuel injector on intake stroke for each cylinder. A voltage is supplied directly to fuel injectors. PCM controls each fuel injector by grounding the control circuit via a solid state device called a driver. PCM monitors status of each driver. If PCM detects an incorrect voltage for the commanded state of the driver, a fuel injector control DTC sets.