System malfunction location

Radar sensor aiming adjustment not implemented

Detection condition

• Radar sensor aiming adjustment is not performed

Fail-safe

• Inhibits the Mazda radar cruise control (MRCC) system control

• Inhibits the forward obstruction warning (FOW) system control

Possible cause

• Radar sensor aiming adjustment not performed

  NOTE:

  • If the ignition is switched off (LOCK) when an error occurs during the aiming adjustment command execution, a DTC is detected indicating that the aiming adjustment was not performed.

System wiring diagram

• Not applicable

Step

Inspection

Action

1

• Perform the radar sensor aiming adjustment.

  (See RADAR SENSOR AIMING [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM].)

Go to the next step.

2

• Clear vehicle control module (V/C-module) DTCs using the M-MDS.

  (See 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.

  (See 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).

  (See VEHICLE CONTROL MODULE (V/C-MODULE) REMOVAL/INSTALLATION [MAZDA RADAR CRUISE CONTROL (MRCC) SYSTEM].)

Go to the next step.

No

Go to the next step.

3

• Verify other DTCs displayed.

• Are any other DTCs output?

Yes

Perform the corresponding DTC inspection.

No

DTC troubleshooting completed.