KOEO Output State Self Test

Connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) under the dash. Turn OFF accessories. If vehicle is equipped with an auxiliary powertrain control (rpm control), it must be turned OFF to perform self tests.
- Perform the necessary vehicle preparation and visual inspection.
- Select VEHICLE & ENGINE SELECTION menu.
- Select NEW VEHICLE, YEAR & MODEL.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CONTROL MODULE.
- Select DIAGNOSTIC TEST MODE.
- Select KOEO output state self test.
- Follow special instructions on screen.
- Depress and release accelerator pedal to cycle output state on relays, solenoids, WAIT TO START light, Fuel Delivery Command Signal (FDCS), Electronic Feedback (EF), Cylinder Identification (CID) and Transmission Control Indicator Lamp (TCIL).
- After test, cycle key to OFF before running other tests or driving vehicle.