MX5 mk4 Manual
Home bodyshop manual wiring diagram workshop manual service highlights transmission overhaul

Knowledge Base

Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
Home

 

< Previous   Next >

KOEO/KOER SELF TEST [PCM (SKYACTIV-G 2.0)]

KOEO Self Test

1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
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 M-MDS screen.
4. 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.

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

KOER Self Test

NOTE:

  • If a KOER self test is performed with the engine coolant temperature at less than 60 °C {140 °F}, a DTC for the variable valve timing may be detected even if the variable valve timing is normal.

  • 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.

1. Connect the M-MDS to the DLC-2.
2. Start engine and run it at idle.
3. After the vehicle is identified, access the ECT PID using the M-MDS.
4. Verify the ECT PID value is above 60 °C {140 °F}.
5. Select the following items from the initialization screen of the M-MDS.
a. Select “Self Test”.
b. Select “Modules”.
c. Select “PCM”.
6. Then, select the “KOER On Demand Self Test” and perform procedures according to directions on the M-MDS screen.
7. 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.

8. After completion of repairs, clear all DTCs stored in the PCM, while referring to “AFTER REPAIR PROCEDURE”.
< Previous   Next >
 

Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

COPYRIGHT NOTICE:
This fan site is not affiliated with Mazda, and is intended for personal, or commercial use only. The content of our web pages is for general information purposes only and is presented “as is”. We give no assurance or warranty regarding the accuracy of the contents. Readers should do their due diligence and seek the advice of an appropriately certified automotive technician before attempting any steps on this site. Original content provided by Mazda North America. The content of the manual is copyright under DMCA to: full.metal.resistor@gmail.com
LIMITATION OF LIABILITY:
We accept no responsibility for errors, inaccuracies, or omissions found on these pages. Additionally, we hereby exclude liability for any demands, claims, damages or losses of any kind with regard to any content or information provided on our web-site, including but not limited to incidental or consequential damages, direct or indirect loss, compensatory damages, loss of profits, or otherwise. By using this manual you assume full liablity for any procedures carried out on your vehicle, and are responsible for the vehicle remaining road legal and safe.
Site design © MX5 Docs 2019
Privacy policy
Cookies
X
We use cookies to improve your experience on
our site. By using our site you consent to cookies.
Learn more
I Agree