Honda Millimeter Wave Radar

Honda Millimeter Wave Radar

Millimeter Wave Radar

Millimeter wave (mmWave) is a special class of radar technology that uses short wavelength electromagnetic waves. Radar systems transmit electromagnetic wave signals that objects in their path then reflect. By capturing the reflected signal, a radar system can determine the range, velocity and angle of the objects.

The millimetre wave radar is often located just beneath or below the front Honda logo. It is located in the lower centre region of the front bumper lower grille or to the side, below the front bumper side trim, on some models.

Millimeter wave radar hondaMillimeter Wave Radar Honda

Need for IDAS (Integrated Driver Assistance System)

According to estimates, each year, 1.35 million people die and 50 million people are injured as a result of traffic accidents throughout the world. However, due to difficulties such as traffic congestion and aggressive driving, lane changeover, these cars are prone to accidents. The context aware driver assistance system I-DAS is designed to help drivers in responding to changes in the environment. Road situation analysis for driver assistance and safety warning is an interdisciplinary endeavour involving many research fields.

P2583-64 Honda Millimeter Wave Radar Aiming Error
Honda P2583-97 Dust or Dirt On The Millimeter Wave Radar

All models with CMBS where the millimeter wave radar looks through the front grille upper molding.
Is the CMBS indication on with CMBS DTC P2583-97 (millimetre wave radar dust or dirt)? Make sure the car doesn’t have a non-CMBS front grille upper moulding before diving into deep troubleshooting. If the car has had any body work done to it and a non-CMBS moulding has been added, this might happen. As a result of the millimetre wave radar’s inability to see through that sort of moulding, you end up with this issue.

If the car has the non-CMBS moulding, replace it with CMBS moulding and the DTC will be cleared. Continue with regular system troubleshooting if the car has the CMBS moulding.

The Front Distance Range Sensor detects light reflected from a vehicle ahead by irradiating laser forward and calculates a distance and relative speed from the vehicle ahead. Based on the detected signal, the Front Distance Range Sensor transmits the presence/absence of the vehicle ahead as well as the distance from the vehicle to the vehicle Cruise Control Unit.

Possible Symptoms (P2583)

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Cruise Control System stops working

Millimeter Wave Radar DTC

millimeter wave radar calibrationSome Technologies used in Driver Assistance System

Adaptive Cruise Control (ACC)

Since 1986, when the Prometheus (Programme for European Transport with Highest Efficiency and Unprecedented Safety) initiative began, Adaptive Cruise Control has been in the works. To follow a car ahead and maintain a safe distance, today’s Adaptive Cruise Control uses radar or laser technology. It allows the vehicle to maintain a constant speed while automatically stopping and accelerating in response to changing traffic circumstances.

millimeter wave radar - Adpative Cruise Control

Lane Departure Warning

When the automobile begins to leave its lane without evident input from the driver, lane departure warning warns the driver. The electronics can follow the lane lines on the road ahead thanks to a video camera in the rearview mirror. The programme calculates the car’s location in the lane using this video picture, then compares it to other inputs from the steering angle, brake, and accelerator position sensors. An auditory or haptic warning, such as vibrating steering, alerts the driver if the automobile begins to wander off track for no apparent reason.

millimeter wave radar - LKAS

Collision Avoidance System

Collision warning/avoidance systems enable the driver to take necessary corrective measures in order to reduce or totally prevent a collision. The proximity of the car to other vehicles around it, the amount of speed reduction required while travelling around a curve, and how near the vehicle is to running off the road are all risks that sensors can detect. Sensors in the system send and receive signals from other cars and road obstructions. When a motorist is going to change lanes and the car is in the blind spot. This is an excellent example of how the system works. The sensors will identify that car and alert the driver, perhaps saving him from a severe collision.

millimeter wave radar - CMBS

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