KOEO/KOER SELF TEST [LF ATX (FN4A-EL), L3 ATX]

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KOEO Self Test

• Connect the M-MDS to the DLC‐2.

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• After the vehicle is identified, select the following items from the initial screen of the M-MDS.

• When using the IDS (laptop PC)

1. Select the “Toolbox” tab.

2. Select “Self Test”.

3. Select “Modules”.

4. Select “PCM”.

• When using the PDS (Pocket PC)

1. Select “Module Tests”.

2. Select “PCM”.

3. Select “Self Test”.

• Then, select the “KOEO On Demand Self Test” and perform procedures according to directions on the M-MDS screen.

• Verify the DTC according to the directions on the M-MDS screen.

• If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection.

• After completion of repairs, clear all DTCs stored in the PCM, while referring to “AFTER REPAIR PROCEDURE“.

KOER Self Test

Note

• For vehicles with the variable valve timing control, execute a KOER self test after the variable valve timing learning is finished.

― A KOER self test cannot be executed if the variable timing valve learning in not finished.

― The variable valve timing learning is cleared if the PCM backup power supply is interrupted (including battery removal), or after reprogramming.

― To perform variable valve timing learning, the engine speed needs to be increased momentarily to approx. 2,000 rpm.