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Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0650: Mil Control Circuit >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 5

    This step tests for a short to ground in the MIL control circuit. With the PCM disconnected and the ignition ON, the MIL should be OFF.
  2. 6

    This step tests for a short to voltage on the MIL control circuit. With the fuse removed, there should be no voltage on the MIL control circuit.