Without Scan Tool (Quest)
Enter diagnostic test Mode 2 and retrieve codes. See WITHOUT SCAN TOOL (QUEST) under RETRIEVING CODES. After codes have been retrieved, disconnect self-test harness connector (still in Mode 2) and jump terminals No. 3 and 6 together for at least 2 seconds. Disconnect jumper wire after 2 seconds. Reconnect self-test connector. This will be erase DTCs from memory.