Clearing Codes

Disconnect negative battery cable for at least 20 seconds and depress brake pedal. Reconnect negative battery cable. Connect one lead of Self Diagnostic Checker (49 H018 9A1) to ground and the other to System Selector (49 B019 9A0). Connect system selector to data link connector. Turn ignition on for 6 seconds with engine off. Start and warm engine, then run at 2000 RPM for 3 minutes. Verify no codes are displayed.