Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

KOEO/KOER Self Test




KOEO/KOER SELF TEST [MZR 1.5]

KOEO Self Test

1. Connect the M-MDS (IDS) to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the IDS.
a. Select "Self Test".

b. Select "Modules".

c. Select "PCM".

3. Then, select the "KOEO On Demand Self Test" and perform procedures according to directions on the IDS screen.

4. Verify the DTC according to the directions on the IDS screen.

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

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

KOER Self Test

NOTE:
- Perform a KOER self test while idling.

1. Connect the M-MDS (IDS) to the DLC-2.

2. Start the engine and run it at idle.

3. After the vehicle is identified, select the following items from the initialization screen of the IDS.
a. Select "Self Test".

b. Select "Modules".

c. Select "PCM".

4. Then, select the "KOER On Demand Self Test" and perform procedures according to directions on the IDS screen.

5. Verify the DTC according to the directions on the IDS screen.

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

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