Lexus ES manuals

Lexus ES: Diagnosis System

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Lane Control System (for Hv Model) / 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 Status

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 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

SEE MORE:

 PBD/PTL Closer Operation (B2250)

DESCRIPTION DTC B2250 is stored when there is a malfunction in the closer pulse sensor circuit of the luggage door closer assembly and when a normal waveform is not input for the closer pulse during power trunk lid operation. DTC No. Detection Item DTC Detection Condition Trouble Area B

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the hybrid vehicle control ECU, refer to Registration. Click here When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is u

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