KOER Self-Test

Ensure engine is warmed to normal operating temperature. Turn ignition off. Ensure test equipment is properly attached. Program NGS tool using the following steps:

• Select VEHICLE & ENGINE SELECTION.
• Select year, engine, model and any additional information requested by tool.
• Select DIAGNOSTIC DATA LINK.
• Select PCM - POWERTRAIN CONTROL MODULE.
• Select DIAGNOSTIC TEST MODE.
• Select KOER ON-DEMAND SELF-TEST.
• Start engine and allow to idle.
• Press start and trigger.
• Follow operating instructions from tool menu.
• Perform BOO and O/D OFF switch cycling (if equipped).