No. 4 Programming Procedure Due to PCM Replacement: Procedure

Fig 1: Programming Procedure Due To PCM Replacement

Courtesy of MAZDA MOTORS CORP.

DIAGNOSIS PROCEDURE

Step	Procedure	Action alter procedure
1	REPLACE PCM Refer to PCM removal/installation to perform PCM replacement and configuration. (See PCM REMOVAL/INSTALLATION [MZR 2.5] .) (See PCM REMOVAL/INSTALLATION [MZI 3.7 V6] .)	Go to the next step.
2	PERFORM PARAMETER RESET Connect the M-MDS (IDS) to the DLC-2. (See M-MDS CONNECTING PROCEDURE .) 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. After the vehicle is identified, select the following items from the initial screen of the M-MDS. When using the IDS (laptop PC): Select the "Body" Select the "Security" Select the "PATS Functions" Then, select an item from the screen menu. item Parameter Reset Perform the security access according to the directions on the M-MDS screen. 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. After verifying that the PATS function menu is displayed again on the M-MDS screen, select "Finish (this menu)". Switch the ignition to off. Switch the ignition to ON. Verify that the security light illuminates for approx. 3 s , and then turns off. Switch the ignition to off.	Go to the next step.
3	VERIFY THAT THE KEY IS PROGRAMMED TO THE PCM Verify that the engine can be started with all the keys. Can the engine be started?	Yes	Procedure is completed
3		No	Perform the corresponding DTC inspection to repair the malfunctioning part.