Lexus ES manuals

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 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 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:

 Terminals Of Ecu

TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (a) Disconnect the instrument panel junction block assembly and main body ECU (multiplex network body ECU) connectors. (b) Measure the voltage and resistance according to the value(s) in t

 Operation Panel Disconnected (B15D9)

DESCRIPTION The multi-display assembly and air conditioning control assembly are connected by AVC-LAN communication lines. This DTC is stored when an AVC-LAN communication error occurs between the multi-display assembly and air conditioning control assembly. DTC No. Detection Item DTC Detecti

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