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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Components
COMPONENTS ILLUSTRATION *A w/o Manual (SOS) Switch *B w/ Manual (SOS) Switch *1 ANTENNA CORD SUB-ASSEMBLY *2 NO. 2 SIDE DEFROSTER NOZZLE DUCT *3 NO. 3 HEATER TO REGISTER DUCT - - ILLUSTRATION *A for Moon Roof - - *1 NO. 2 ANTENNA CORD SUB-ASSEMBLY -
Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)
DESCRIPTION The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication. DTC U032257 is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera
