Without Scan Tool

DIAGNOSTIC TROUBLE CODE DETECTING CONDITION (OVERALL)
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait for at least 3 seconds.
3) Start engine again and drive at 1,500-3,000 rpm for at least 10 minutes.
4) Perform "Diagnostic Test Mode II (Self-diagnostic results)" with Engine Control Module (ECM).