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 |
| *a | LTA Indicator |
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Lane Control / Trouble Code
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
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
SEE MORE:
Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION The ECM monitors its internal operation and stores this DTC when it detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P062F44 Internal Control Module EEPROM Data Memory Failure An ECM internal error (EEPROM
Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure (P0AA649,P1C7C49-P1C7F49)
DESCRIPTION The hybrid vehicle control ECU monitors the battery ECU assembly and detects insulation malfunctions in the high-voltage system. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0AA649 Hybrid/EV Battery Voltage System Insulation Resista
