Key On Engine Running (KOER) Cylinder Contribution Self Test

KOER Cylinder Contribution Self Test

KOER Cylinder Contribution Self 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. Scan Tool Testing and Procedures
^ 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.