DTC Confirmation Test

Ensure intake air temperature is 18°F (-8°C) or more, vehicle is at an altitude of 8000 feet or below, engine coolant temperature is at 18-230°F (-8-110°C), and barometric pressure is 75 kPa or more. Turn ignition off, connect scan tool and turn ignition on. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Start engine and allow it to reach normal operating temperature. Allow engine to idle for one minute. Using scan tool, check for current or pending DTC P0506 or P0507. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE .