Lexus ES: Diagnosis System
DIAGNOSIS SYSTEM
FUNCTION OF INDICATOR AND WARNING MESSAGE
(a) If the lane control system is not functioning properly, the driver is warned through the LTA indicator and a warning message is displayed on the multi-information display.
| LTA Indicator | Warning Message | Details | DTC/Vehicle Control History (RoB) |
|---|---|---|---|
| Illuminated (yellow) | LTA Malfunction Visit Your Dealer | Lane control system is malfunctioning | Stored |
| Illuminated (yellow) | LTA Unavailable | Sensor other than forward recognition camera sensor is temporarily disabled | Stored |
| LTA Indicator | Condition |
|---|---|
| *If the steering assist function operates while the lane departure alert function is operating, the LTA indicator will blink (yellow). | |
| Illuminated (yellow) | The lane control system is malfunctioning or temporarily disabled |
| Blinking (yellow) | Lane departure alert function is operating |
| Illuminated (green) | Steering assist function or lane centering function is operating* |
| Illuminated (white) | Monitoring for lane departure |
| Not illuminated | Lane control system is not operating |
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| *a | LTA Indicator |
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Lane Control / Trouble Codes
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the lane control system, a message will be displayed on the multi-information display and, depending on the malfunction, functions o
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a lane control system DTC is stored, the forward recognition camera stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connec
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Operation Check
OPERATION CHECK CHECK WINDOW LOCK FUNCTION HINT: Before performing the window lock switch operation check, make sure that the window lock switch is off (the switch is not pushed in). (a) Turn the window lock switch of the multiplex network master switch assembly on (pushed in) and check that the fr
Extension Module Disconnected 2 (B1543)
DESCRIPTION If the radio receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio receiver assembly confirms that the information is missing by checking past navigation ECU recognition information (registere
