For vehicles with the lamps on reminder light, it comes on when the lights are in use.
Evaporative Emission System Cleaning Engine Control
Special Tools J 41413-200 Evaporative Emissions System TesterFor equivalent regional tools, refer toSpecial Tools.Inspection ProcedureCaution:Use the Evaporative Emission (EVAP) System Tester (EEST) GE41413-A in order to provide a clean, dry, low pressure nitrogen gassource. Do not substitute any ot ...