No. 4 Programming Procedure Due to PCM Replacement: Procedure

Courtesy of MAZDA MOTORS CORP.

NO. 4 PROGRAMMING PROCEDURE DUE TO PCM REPLACEMENT

Step	Procedure	Action after procedure
1	REPLACE PCM Refer to PCM REMOVAL/INSTALLATION to perform PCM replacement and configuration. (See PCM REMOVAL/INSTALLATION [MZR 2.5] .)	Go to the next step.
2	PERFORM PARAMETER RESET Connect the M-MDS (IDS) to the DLC-2. (See M-MDS (IDS) CONNECTING PROCEDURE .) Switch the ignition ON using a valid key. NOTE: Although the security indicator light remains illuminated and DTC 23 is displayed after approx. 1 min, continue to perform the procedure as indicated. After vehicle identification, select the following from the M-MDS initial screen. Using an IDS (laptop PC): "Body" "Security" "PATS (immobilizer) function" Then, select "Parameter Reset" from the screen menu. Perform the security access according to the directions on the M-MDS (IDS) screen. Select "PCM" from the replaced parts according to the directions on the M-MDS (IDS) screen. CAUTION: At this time, do not select the other parts from the M-MDS (IDS) menu. After verifying that the PATS function menu is displayed again on the M-MDS (IDS) screen, select "Finish (this menu)". Switch the ignition OFF (LOCK). Disconnect the M-MDS (IDS) from the DLC-2. Switch the ignition ON. Verify that the security indicator light illuminates for approx. 3 s, and then turns off. Switch the ignition OFF (LOCK).	Go to the next step.
3	VERIFY THAT PCM IS PROGRAMMED Verify that the engine can be started with all the keys for approx. 5 or more. Can the engine be started? NOTE: When verifying that the engine starts, wait approx. 5 s or more before starting the engine using the next key.	Yes	Procedure is completed.
		No	Perform the corresponding DTC inspection to repair the malfunctioning part.