Lane-Keeping Assist System

CRUISE CONTROL: LANE-KEEPING ASSIST SYSTEM: C1A01: Driving Support ECU
C1A01 - Driving Support ECU

DESCRIPTION

The driving support ECU uses the lane-recognition camera sensor assembly to detect obstacles in front of the vehicle and the direction that the driver's head is facing.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT

(a) Using the Techstream, enter the following menus: All ECUs / Lane Keeping Assist / Trouble Codes.

(b) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(c) Turn the power switch off.

(d) Turn the power switch on (IG).

(e) Drive the vehicle at a speed of 50 km/h (31 mph) or more, and operate lane keeping assist control.

(f) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC C1A01 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting