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Home >> Saturn >> 2003 >> L200 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Idle Control System >> Idle Air Control System >> Test Description

Test Description

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

  1. 5  - This test determines the ability of the PCM and IAC valve circuits to control the IAC valve.
  2. 7  - This test determines the ability of the PCM to provide the IAC valve circuits with a ground. On a normally operating system, the test light should not flash while the IAC counts are incrementing.
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