Lane-Keeping Assist System

CRUISE CONTROL: LANE-KEEPING ASSIST SYSTEM: C1A06: Stop Light Switch Input Circuit
C1A06 - Stop Light Switch Input Circuit

DESCRIPTION

This DTC indicates the internal abnormal item of the driving support ECU.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

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

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

(1) Drive the vehicle at a 50 km/h (31 mph) or more, and operate lane-keeping assist system.

(b) Check for DTC Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC C1A06 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

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