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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 586 (SECURITY SYSTEM AND LOCKS SYSTEM)IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM]NO. 4 PROGRAMMING PROCEDURE DUE TO PCM REPLACEMENTPROCEDURE
2011 Mazda 3 Mazdaspeed, 2.3 3

No. 4 Programming Procedure Due to PCM Replacement: Procedure

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Procedure
WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Valid Keys
G06729765Courtesy of MAZDA MOTORS CORP.
PCM REFERENCE

Step Procedure Action after procedure
1 REPLACE PCM 
Refer to PCM removal/installation to perform PCM replacement and configuration.
(See PCM REMOVAL/INSTALLATION [LF, L5] .)
(See PCM REMOVAL/INSTALLATION [L3 WITH TC] .)		 Go to the next step.
2 PERFORM PARAMETER RESET 
  1. Connect the M-MDS to the DLC-2. (See M-MDS CONNECTING PROCEDURE .)
  2. Turn the ignition switch to the ON position using a key (The key can be either the valid key)
    NOTE:
    • Although the security light remains illuminated and DTC 23 is displayed after approx. 1 min  , continue to perform the procedure as indicated.
  3. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
    • Using an IDS (laptop PC):
      1. Select "Body".
      2. Select "Security".
      3. Select "PATS Functions".
    • Using a PDS (Pocket PC):
      1. Select "All Tests and Calibrations".
      2. Select "PATS Functions".
  4. Then, select an item from the screen menu.

    item 

    • Parameter Reset
  5. Perform the security access according to the directions on the M-MDS screen.
  6. Select the replaced parts "PCM" according to the directions on the M-MDS screen.
    CAUTION:
    • At this time, do not select the other parts from the M-MDS menu.
  7. After verifying that the PATS function menu is displayed again on the M-MDS screen, select "Finish (this menu)".
  8. Switch the ignition to off.
  9. Switch the ignition to ON.
  10. Verify that the security light illuminates for approx. 3 s  , and then turns off.
  11. Switch the ignition to off.
 Go to the next step.
3 VERIFY THAT THE KEY IS PROGRAMMED TO THE PCM 
  1. Verify that the engine can be started with all the keys.
  2. Can the engine be started?
 Yes Procedure is completed
No Perform the corresponding DTC inspection to repair the malfunctioning part.
RENDER: 1.0x

NO RELATED

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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.