my Honda Pilot YF3 (2016-2022) forward collision warning is malfunctioning, why?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Sensor Cleaning and Inspection

• Tools Required: Soft cloth, cleaning solution
• Sub-steps:
  1. Locate the forward collision sensors at the front of the vehicle.
  2. Use a soft cloth and cleaning solution to gently clean the sensors to remove any dirt or debris that may obstruct their function.
  3. Inspect the sensors for any physical damage or misalignment.

3. Wiring and Connection Check

• Tools Required: Multimeter
• Sub-steps:
  1. Remove any protective covers or panels to access the wiring harness connected to the sensors.
  2. Use a multimeter to test the continuity of the wiring to ensure there are no breaks or shorts.
  3. Tighten any loose connections and replace any damaged wiring harness if necessary.

4. System Calibration

• Tools Required: OBD-II scanner with calibration functions
• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Start the vehicle and connect the OBD-II scanner.
  3. Follow the scanner’s instructions to perform the calibration of the forward collision warning system.
  4. Confirm that the calibration has been successfully completed.