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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Engine Controls Self-Diagnostics - 3.4L) >> System Tests >> Mil Always On >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Ignition voltage is supplied directly to the Malfunction Indicator Light (MIL). The PCM turns the MIL ON by grounding the MIL control circuit.

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