Key On Engine Running (KOER) Self-Test

WARNING: This page is about a different variant/trim than selected.

Ensure engine is at normal operating temperature. 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 PCM - POWERTRAIN CTRL MODULE.
Select DIAGNOSTIC TEST MODE.
Select KOER ON-DEMAND SELF-TEST.
Start engine and allow to idle.
Follow operating instructions from NGS tester menu.
Perform BPP and TCS cycling, if equipped.