Key ON Engine Running (KOER) On-Demand Self Test

Connect the NGS Tester to the 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, FDCS, EF, CID and TCIL.
- After test, cycle key to OFF before running other tests or driving vehicle.