Diagnostic Procedure

Step	Inspection		Action
1	VERIFY AREA AROUND RADIATOR GRILLE ORNAMENT Visually inspect the surface of the radiator grille ornament. Under the following conditions? Dirt is adhering to radiator grille ornament. Foreign material (reflective object) is adhering to radiator grille ornament	Yes	Return the surfaces of the radiator grille ornament to their normal condition, then go to Step 4.
1		No	Go to the next step.
2	VERIFY AREA AROUND RADAR SENSOR Remove front bumper. (Refer to FRONT BUMPER REMOVAL/INSTALLATION .) Visually inspect the surface of the radar sensor. Under the following conditions? Dirt is adhering to radar sensor Foreign material (reflective object) is adhering to radar sensor	Yes	Return the radar sensor to their normal condition, then go to Step 4.
2		No	Go to the next step.
3	VERIFY CENTER DISPLAY INDICATION Is the message indicating "FOW/MRCC Radar Malfunction" displayed in the center display?	Yes	Switch the ignition off, leave it for 30 min to cool down the radar sensor, switch the ignition ON (engine off or on) again, and verify the message indicating "FOW/MRCC Radar Malfunction" in the center display. "FOW/MRCC Radar Malfunction" is not displayed Go to the next step. "FOW/MRCC Radar Malfunction" is displayed Replace radar sensor, then go to Step 9. (Refer to RADAR SENSOR REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM] .)
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.