Operating temperature:-20..50 .(.4. to 122 .) Operation Voltage : DC 9 ~15V provided by vehicle battery Support Protocol: 1) SAE-J1850 PWM 2) SAE-J1850 VPW 3) ISO-14230 4) ISO-9141 5) ISO-15765-4 (CAN BUS) - 5 - Vehicle Service Information The following is a list of web sites and phone numbers where electronicengine control (EEC) diagnostic information is available. Some manuals may be available at your local dealer, auto parts stores or local public libraries. Domestic Vehicles Web Site Phone