Knowledge Base

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

 

< Previous   Next >

PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0]

CAUTION:

  • If configuration and reprogramming is not performed when the PCM is replaced with a new one, the vehicle specification information and PCM software is not stored in the PCM and the system will not operate normally.

  • When performing configuration and reprogramming, it is necessary to read the vehicle specification information from the PCM before replacing it. Connect the M-MDS to the vehicle and perform vehicle identification before removing the PCM. The vehicle specification information is temporarily stored in the M-MDS.

NOTE:

  • The PCM prior to replacement stores the vehicle specification information.

  • A new PCM does not store any vehicle specification information.

  • If the vehicle specification information PCM prior to replacement cannot be read, perform the configuration using As-Built data.

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)
2. Set the resonance duct and air intake hoses No.1 and 2 aside as a single unit using the following procedure. (With resonance chamber No.2)
a. Remove the bolt shown in the figure.

b. Disconnect the air intake hose No.1 from the joint pipe.

c. Set the resonance duct and air intake hoses No.1 and 2 aside as a single unit in the direction of the arrow shown in the figure.

3. Disconnect the PCM connector. (See PCM Connector Connection Note.)

4. Detach the clips and remove the emission wiring harness protector.

5. Remove the nuts and bolt.

6. Remove the PCM assembly.
7. Remove the nuts.

8. Remove the PCM from the PCM bracket.
9. Install in the reverse order of removal.
10. When replacing the PCM on the vehicles, perform the following:

NOTE:

PCM Connector Connection Note

CAUTION:

  • Do not touch the PCM connector terminal. The terminal is extremely thin and can be damaged by touching it.

  • If the PCM connector is inserted at an angle and the lever is moved, the connector could be damaged. Verify that the PCM connector is inserted straight.

1. Set the PCM connector to the position shown in the figure.

2. Align the PCM connector straight against the connection surface.

3. Insert the PCM connector straight and press it in until the lever moves up naturally. (Front wiring harness-side connector)

4. Press the PCM connector lever until a click sound is heard.

< 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.