Key On/Engine Running (KOER) Self-Test

The codes shown are an Engine ID code, a Dynamic Response Code and an On Demand code. On Demand codes are the same as Continuous codes in Key On-Engine Off Self-Test. Dynamic Response code is the same as a Separator code in Key On-Engine Off Self-Test. The Engine ID code has no application in the field, and is for factory use only. The codes will be displayed in the same manner as Key On-Engine Off Self-Test codes. See Figure .