FCOM Key On Engine Off KOEO Test for Ford Ka 1999

This article a guide on how to perform KOEO (Key-On Engine-Off) test. The test displays fault codes occured during the test. The PCM under test on the video has disconnected most components, thus a lot of errors.

 

Preparations:

FCOM Ford OBD2 Diagnostic Software Download

How to Install FCOM Diagnostic Software on Window/Linux

 

Preparations:

Plug your FCON interface to vehicle,then run FCOM software

Click “Select Control Unit”

Then select “PCM-Power Control Module (Engine ECU)” under Powertrain label

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Click “Actuators activation” under “Advanced functions”

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Select “Key On Engine Off test”,then click “Run Test”

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Here,the PCM has disconnected most components,so it show a lot of DTCs as below picture.

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