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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 68 (Adaptive Cruise Control System - Testing & Troubleshooting (Hybrid)) >> Description & Operation >> Collision Mitigation Braking System (CMBS) Description - System Diagram

Collision Mitigation Braking System (CMBS) Description - System Diagram

WARNING: This page is about a different variant/trim than selected.

The system diagram of the CMBS is shown below.

For locations of each component on the vehicle, refer to Component Location Index:

GHH376053Courtesy of HONDA, U.S.A., INC.

F-CAN Communication Data 

Millimeter Wave Radar Receiving Signal: 

Originating Unit Signal Name
EPS control unit
  • EPS system failure information
  • Steering angle signal
  • Steering angle neutral position learning information
Gauge control module
  • CMBS OFF switch status information
  • Gauge control module failure information
  • Customized information

*1: With the multipurpose camera unit via ACC-CAN line.

Originating Unit Signal Name
Multipurpose camera unit *1
  • Object recognition information
  • Multipurpose camera unit failure information
PCM
  • Accelerator pedal position (APP) sensor signal
  • Brake pedal position switch signal
SRS unit
  • Yaw rate sensor signal
  • Yaw rate sensor failure information
  • Longitudinal acceleration sensor signal
VSA modulator-control unit
  • Master cylinder pressure signal
  • VSA system actuation information
  • VSA system failure information
  • Wheel speed sensor signals
Electric servo brake control unit/pedal feel simulator
  • Electric servo brake system failure information
  • Driver brake operation information
SBW shifter control module Shift position status

*1: With the multipurpose camera unit via ACC-CAN line.

Millimeter Wave Radar Transmitting Signal: 

Destination Unit Signal Name
EPS control unit ---
Gauge control module
  • Buzzer request signal
  • CMBS status information
  • Multi information display (MID) screen requirement:
    • -

      CMBS indicator

    • -

      CMBS indicates for self-diagnostic function

    • -

      Customized information

PCM ---
Multipurpose camera unit *1 Vehicle information
SRS unit CMBS operating information
VSA modulator-control unit ---
Electric servo brake control unit/pedal feel simulator
  • Automatic brake actuation request signal
  • Target CMBS deceleration information
  • CMBS failure information
SBW shifter control module ---

*1: With the multipurpose camera unit via ACC-CAN line.