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Home >> Isuzu >> 2000 >> Hombre S, 2.2 4, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.2L >> Diagnostic Trouble Code Identification >> DTC P0200: Injector Control Circuit >> Circuit Description

Circuit Description

Powertrain Control Module (PCM) has 4 injector driver circuits, one for each injector. PCM monitors current in each driver circuit by measuring a voltage drop through a fixed resistor and is able to control driver circuit. Current through each driver is allowed to rise to a peak of 4-amps to quickly open injectors. Current is then reduced to .5 amp to keep injector open. If current cannot reach 4-amps or injector driver is shorted to voltage, DTC P0200 will set.

Conditions for setting this DTC are:

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