Key On Engine Running (KOER) Cylinder Contribution Self Test

KOER Cylinder Contribution Sell Test
Connect the NGS Tester to the DLC under the dash. Turn off accessories. Turn A/C off. 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. Refer to Quick Test Operation. Quick Test Operation
^ Start engine.
^ SELECT CORRECT VEHICLE, YEAR and MODEL.
^ Select DIAGNOSTIC DATA LINK.
^ Select PCM - POWERTRAIN CONTROL MODULE.
^ Select DIAGNOSTIC TEST MODE.
^ Select KOER cylinder contribution self test.
^ Follow instructions on screen.
^ After test, cycle the key to off before running other tests or driving vehicle.