Lane Departure Alert System

CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM: C1A01: Driving Support ECU
C1A01 - Driving Support ECU

DESCRIPTION

The driving support ECU uses the lane recognition camera sensor assembly to detect the lane markers around the vehicle.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Perform the following to make sure the DTC detection conditions are met.

HINT
If the detection conditions are not met, the system cannot detect the malfunction.

(1) Drive the vehicle at a speed of 50 km/h (30 mph) or more and operate the lane departure alert system.

(c) Check 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