Diagnostic Procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Step	Inspection		Action
1	VERIFY THAT THE VEHICLE AND REMOTE TRANSMITTER COMBINATION IS CORRECT Verify that the vehicle and remote transmitter combination is correct Is the combination of remote transmitters correct?	Yes	Go to the next step.
1		No	Re-register using correct remote transmitters, then go to the Step 3. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING .)
2	PERFORM START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) Using the M-MDS, perform the start stop unit configuration with the As-Built data. (See START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) .) Clear DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT] .) Perform the DTC inspection for the start stop unit using the M-MDS. (See DTC INSPECTION [START STOP UNIT] .) Is DTC B13D3:4A displayed?	Yes	Using the M-MDS, re-perform the start stop unit configuration using the As-Built data, then go to the next step. (See START STOP UNIT CONFIGURATION (USING AS-BUILT DATA) .) If the malfunction recurs, replace the remote transmitter, then go to the next step. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING .)
2		No	Go to Step 4.
3	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear DTC for the start stop unit using the M-MDS. (See CLEARING DTC [START STOP UNIT] .) Perform the DTC inspection for the start stop unit using the M-MDS. (See DTC INSPECTION [START STOP UNIT] .) Is DTC B13D3:4A displayed?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the start stop unit, then go to the next step. (See START STOP UNIT REMOVAL/INSTALLATION .)
3		No	Go to the next step.
4	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [START STOP UNIT] .)
4		No	DTC troubleshooting completed.