Diagnostic Procedure

Step	Inspection		Action
1	INSPECT BRAKE SWITCH Inspect the brake switch. (Refer to BRAKE SWITCH INSPECTION .) Is it normal?	Yes	Go to the next step.
1		No	Replace the brake switch, then go to the Step 4. (Refer to BRAKE PEDAL REMOVAL/INSTALLATION .)
2	PERFORM DTC INSPECTION FOR PCM Perform the PCM DTC inspection using the M-MDS. (Refer to ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (Refer to DTC TABLE [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Then go to Step 4.
2		No	Go to the next step.
3	PERFORM DTC INSPECTION FOR DSC HU/CM Perform the DSC HU/CM DTC inspection using the M-MDS. (Refer to ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (Refer to ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) Then go to the next step.
3		No	Go to the next step.
4	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear vehicle control module (V/C-module) DTCs using the M-MDS. (Refer to CLEARING DTC [VEHICLE CONTROL MODULE (V/C-MODULE)] .) Switch the ignition ON (engine on). Drive the vehicle at 40 km/h (25 mph) or more for 3 min or more . Perform the vehicle control module (V/C-module) DTC inspection using the M-MDS. (Refer to DTC INSPECTION [VEHICLE CONTROL MODULE (V/C-MODULE)] .) Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction does not recur, go to the next step. If the malfunction recurs, replace the vehicle control module (V/C-module). (Refer to VEHICLE CONTROL MODULE (V/C-MODULE) REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM] .) Go to the next step.
4		No	Go to the next step.
5	VERIFY THAT NO OTHER DTCs ARE PRESENT Verify other DTCs displayed. Are any other DTCs output?	Yes	Perform the corresponding DTC inspection.
5		No	DTC troubleshooting completed.