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Home › Chevrolet › 2003 › Impala LS › Repair and Diagnosis › External Pages › Different variant/trim › Section 2 (Engine Controls Self-Diagnostics - 3.4L) › System Tests › Mil Inoperative › Test Description

Test Description

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

The number below refers to the step number in the diagnostic procedure.

  1. 4  - 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.

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