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Home >> Cadillac >> 1994 >> DeVille Concours >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 4.9L >> Idle Control System (C-2) >> Engine Controls - System/Component Tests - 4.9L >> Idle Speed Control (ISC) Motor
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Idle Speed Control (ISC) Motor

A malfunction in the ISC circuit will set a diagnostic trouble code. For testing procedures, see TESTS W/CODES - 4.9L article in this section. Also, see ISC minimum and maximum adjustment procedures in ADJUSTMENTS article in this section.

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