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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 629 (ENGINE CONTROL SYSTEM)PCM CONFIGURATION
2011 Mazda 3 Mazdaspeed, 2.3 3

Pcm Configuration

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Pcm Configuration
WARNING: This page is about a different car, the 2011 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • If the wheel and tire sizes are changed, the set value for the tire rotation diameter will be different, causing a discrepancy whereby the speedometer needle exceeds the allowable range. If the wheel and tire sizes are changed, perform a PCM configuration to change the tire size setting.

Newly Replacing PCM 

  1. Connect the M-MDS to the DLC-2.
  2. 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 "Module Programming".

    When using the PDS (Pocket PC)

    1. Select the "Programming".
    2. Select the "Module Programming".
    Fig 1: Identifying DLC-2 Connector
    G05981120Courtesy of MAZDA MOTORS CORP.
  3. Then, select items from the screen menu in the following order.
    1. Select "Programmable Module installation".
    2. Select "PCM".
  4. Perform the configuration according to the directions on the screen.
  5. Retrieve DTCs by the M-MDS, then verify that there is no DTC present.
    • If a DTC(s) is detected, perform the applicable DTC inspection. (Refer to the appropriate DTC TABLE [13B-MSP] in On-Board Diagnostic (Engine Control System) (13B-MSP) article .)

Wheel And Tire Size Change 

  1. Connect the M-MDS to the DLC-2.
  2. 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 "Module Programming".

    When using the PDS (Pocket PC)

    1. Select the "Programming".
    2. Select the "Module Programming".
  3. Then, select items from the screen menu in the following order.
    1. Select "Programmable Parameters".
    2. Select 'Tire Size/Axle Ratio".
  4. Select an item name, and then select option.
    Fig 2: Identifying DLC-2 Connector
    G05981120Courtesy of MAZDA MOTORS CORP.

    Items 

    • Tire Size ("225/40R19"/"225/45R18"/"225/50R17")
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.