Diagnostic Procedure

Step	Inspection		Action
1	Perform the radar sensor aiming adjustment. (Refer to RADAR SENSOR AIMING [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM] .)		Go to the next step.
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear vehicle control module (V/C-module) DTCs using the M-MDS. (Refer to CLEARING DTC [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (Refer to CLEARING DTC [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) 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.
2		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT Verify other DTCs displayed. Are any other DTCs output?	Yes	Perform the corresponding DTC inspection.
3		No	DTC troubleshooting completed.