FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DR-27A Automatic Idle Speed Motor Operation


1. Connect diagnostic read-out tool to engine test connector.
2. Place system in ATM test mode code 03.
3. Automatic idle speed motor should move twice every 4 seconds.
4. If motor movement is as indicated, proceed to Test 28.
5. If motor movement is not as indicates, proceed to Test 27 step B.