Lane Departure Alert System

CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM: U0100,U0122-U1104: Lost Communication with ECM / PCM "A"
U1104 - Lost Communication with Driving Support ECU

DESCRIPTION





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

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

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

OK:

CAN communication system DTCs are not output.

NG -- GO TO CAN COMMUNICATION SYSTEM Diagnosis System

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