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Home >> Chevrolet >> 2002 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System Self-Diagnostics - 3.4L) >> System Tests >> Mil Inoperative >> Test Description

Test Description

WARNING: This page is about a different variant/trim than selected.

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

  1. 3

    This step determines if the condition is with the MIL control circuit or the PCM.

  2. 4

    This step determines if a voltage is constantly being applied to the control circuit.

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