Lane Keeping Assist System (LKAS) Description - System Diagram

Control Block Diagram

The system diagram of the LKAS is shown below.

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

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

F-CAN Communication Data

Multipurpose Camera Unit Receiving Signal:

Originating Unit	Signal Name
EPS control unit	Torque sensor signal EPS system failure information EPS motor rotation signal Steering angle signal

Originating Unit	Signal Name
Gauge control module	MAIN/LKAS switch status signal LKAS switch signal Customization signal Wiper switch/turn signal switch (built into the combination light switch)/B-CAN failure information
PCM	Vehicle speed signal Brake pedal position switch signal Management ECU failure information
SRS unit	Yaw rate/G sensor signal SRS unit failure information
VSA modulator-control unit	Wheel speed sensor signals and failure information VSA system failure information VSA system actuation information
Electric Servo Brake Control Unit	Master cylinder pressure signal and failure information Wheel speed sensor signals and failure information

Multipurpose Camera Unit Transmitting Signal:

Destination Unit	Signal Name
EPS control unit	LKAS control command LKAS activation instruction current signal LKAS cancellation request LKAS failure information
Gauge control module	Multi information display (MID) screen requirement: - LKAS indicator - LKAS activation indicator LKAS activation indication request LKAS failure information Customization information
PCM	---
SRS unit	---
VSA modulator-control unit	---
Electric Servo Brake Control Unit	---