Use the following procedures to troubleshoot the lane-keeping assist system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
|11 to 14 V|
If the voltage is below 11 V, recharge or replace the battery before proceeding.
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
Use the intelligent tester to check if the CAN communication system is functioning normally.
|CAN DTC is not output||A|
|CAN DTC is output||B|
Go to CAN COMMUNICATION SYSTEM Click here
CHECK FOR DTC*
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Click here.
|Fault is not listed in problem symptoms table||A|
|Fault is listed in problem symptoms table||B|
Go to step 7
OVERALL ANALYSIS AND TROUBLESHOOTING*
ADJUST, REPAIR OR REPLACE
When the lane recognition camera sensor is replaced with a new one, adjustment of the camera sensor beam axis must be performed Click here.