Key On Engine Off (KOEO) Self-Test

Ensure engine is at normal operating temperature. If engine does not start (or stalls after starting), continue KOEO SELF-TEST. Turn ignition switch to OFF position. Ensure test equipment is properly attached. Program NGS tester using the following steps:

• Select vehicle and engine selection menu.
• Select year, engine, model and any additional information requested by NGS tester.
• Select DIAGNOSTIC DATA LINK.
• Select OUTPUT TEST MODE.
• Select KOEO ON-DEMAND SELF-TEST.
• Turn ignition switch to ON position.
• Follow operating instructions from NGS tester menu.