Symptom | Suspected Area |
Link |
Lane departure alert system (w/ steering control) does not operate |
Steering pad switch circuit |
|
CAN communication system |
|
Driving support ECU assembly |
|
Forward recognition camera |
|
The lane departure alert indicator does not illuminate even when the lane departure alert main switch is operated. |
Indicator circuit |
|
Steering pad switch circuit |
|
CAN communication system |
|
Combination meter assembly |
|
Forward recognition camera |
|
Driving support ECU assembly |
|
The lane departure alert indicator does not turn off even when the lane departure alert main switch is operated. |
Indicator circuit |
|
Steering pad switch circuit |
|
CAN communication system |
|
Combination meter assembly |
|
Driving support ECU assembly |
|
Forward recognition camera |
|
Lane departure alert system (w/ steering control) is not canceled even when turn signal light switch is operated |
Data List/Active Test (Check turn signal switch signal) |
|
Turn signal switch circuit (w/ Cornering Light) |
|
Turn signal switch circuit (w/o Cornering Light) |
|
Forward recognition camera |
|
Increase in cases that driver can see lane markers but system cannot detect lane markers |
Windshield glass is dirty |
- |
Forward recognition camera is dirty |
- |
Headlight assemblies are dirty or worn |
- |
Non-standard suspension is installed |
- |
Non-standard tires are installed |
- |
Non-Toyota genuine windshield glass is installed |
- |
There is a foreign object or foreign matter between the windshield glass and forward recognition camera |
- |
A sticker or similar item is attached to the area in front of the forward recognition camera |
- |
Adjust forward recognition camera |
|
Forward recognition camera |
|
Lane
departure alert system (w/ steering control) is operating, but no
operation condition is displayed on multi-information display in
combination meter assembly | Data List/Active Test
(Check the item LDA Control) |
|
Combination meter assembly |
|
Forward recognition camera |
|
Buzzer does not sound even when vehicle deviates from its lane. |
Combination meter assembly |
|
Forward recognition camera |
|