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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Symptom Troubleshooting - Radar Unit >> MRCC Indicator Light (Green) Is Not Illuminated During MRCC Operation [Radar Unit] >> Possible malfunction

Possible malfunction

NOTE:
  • The system may not operate normally under the following conditions:
    • The rear surface of a vehicle ahead does not reflect radio waves effectively, such as an unloaded trailer or an automobile with a loading platform covered by a soft top, vehicles with a hard plastic tailgate, and round-shaped vehicles.
    • Vehicles ahead with low vehicle height and thus less area for reflecting radio waves.
    • Visibility is reduced due to a vehicle ahead casting off water, snow, or sand from its tires and onto your windshield.
    • The luggage compartment is loaded with heavy objects or the rear passenger seats are occupied.
    • Ice, snow, or soiling is on the front surface of the front emblem.
    • During inclement weather such as rain, snow, or sand storms.
    • When driving near facilities or objects emitting strong radio waves.
    • The beginning and end of a curve.
    • Roads with continuous curves.
    • Narrow lane roads due to road construction or lane closures.
    • The vehicle ahead enters the radar sensor's blind spot.
    • The vehicle ahead is running abnormally due to accident or vehicle damage.
    • Roads with repeated up and down slopes.
    • Driving on poor roads or unpaved roads.
    • The distance between your vehicle and the vehicle ahead is extremely short.
    • A vehicle suddenly comes close such as by cutting into the lane.
    • Battery power is weak.
  • The instrument cluster cannot illuminate the MRCC indicator light (green).
    • Instrument cluster malfunction (malfunction in MRCC indicator light (green) illumination circuit)
    • Connector connection malfunction
  • The radar unit cannot illuminate the MRCC indicator light (green).
    • Connector connection malfunction
    • False signal input from cruise control switch
    • radar unit malfunction