DTC Confirmation Test

Turn ignition off, connect scan tool and turn ignition on. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Ensure fuel tank is at least 1/4 full, vehicle is at an altitude of 8000 feet or below, barometric pressure is 75 kPa or more, ambient temperature is 14°F (-10°C) or more, intake air temperature is 158°F (70°C) or less, and engine coolant temperature 158-230°F (70-110°C). Start engine and allow it to reach normal operating temperature. Allow engine to idle for 2 minutes. Check for DTC P0506 or P0507. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.