Lexus ES manuals

Lexus ES: Vehicle Control History

VEHICLE CONTROL HISTORY

NOTICE:

Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again.

CHECK VEHICLE CONTROL HISTORY (LANE CONTROL SYSTEM)

(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 / Utility / Vehicle Control History (RoB)

Chassis > Lane Control > Utility

Tester Display

Vehicle Control History (RoB)

(e) According to the display on the Techstream, read the Vehicle Control History (RoB).

Vehicle Control History (RoB)

Multi-information Display

Code

Tester Display

Description

Diagnostic Note

*1: The pre-collision system outputs requests for "Front Camera Unavailable" or "Front Camera Unavailable See Owner's Manual" to be displayed on the multi-information display in the combination meter assembly.

LTA Malfunction Visit Your Dealer

X2000

Yaw Rate Sensor Malfunction

The forward recognition camera received a yaw rate sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the electronically controlled brake system.

LTA Malfunction Visit Your Dealer

X2001

Steering Angle Sensor Malfunction

The forward recognition camera received a steering sensor malfunction signal from the steering sensor.

Perform troubleshooting for the electronically controlled brake system.

LTA Malfunction Visit Your Dealer

X2003

Brake Control System Malfunction

The forward recognition camera received an electronically controlled brake system malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the electronically controlled brake system.

LTA Malfunction Visit Your Dealer

X2004

Speed Sensor Malfunction

The forward recognition camera received a vehicle speed sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the electronically controlled brake system.

LTA Malfunction Visit Your Dealer

X2007

Communication Error from Steering Vibrator System to Front Recognition Camera

Communication malfunction occurred between the forward recognition camera and steering vibration ECU.

Perform troubleshooting for the front camera system.

LTA Unavailable

X2008

Steering Assist Request Invalid

The forward recognition camera received a power steering ECU low voltage malfunction signal from the power steering ECU (rack and pinion power steering gear assembly).

Perform troubleshooting for the power steering system.

LTA Malfunction Visit Your Dealer

X2011

Front Recognition Camera System Software Not Programmed

Forward recognition camera cannot store the vehicle information.

Perform troubleshooting for the front camera system.

LTA Malfunction Visit Your Dealer

X2012

Front Recognition Camera Malfunction

The forward recognition camera detected an internal malfunction.

Perform troubleshooting for the front camera system.

LTA Malfunction Visit Your Dealer

X2013

Front Recognition Camera Optical Axis Misalignment Malfunction

The forward recognition camera detected optical axis misalignment.

HINT:

Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

One Time Recognition: Click here

Sequential Recognition: Click here

LTA Malfunction Visit Your Dealer

X2014

Front Recognition Camera Optical Axis Not Adjusted

Forward recognition camera optical axis adjustment has not been performed.

If this Vehicle Control History code is output, perform forward recognition camera optical axis adjustment, clear the Vehicle Control History and then check that this code is not stored again.

HINT:

Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

One Time Recognition: Click here

Sequential Recognition: Click here

No Message*1

(LTA indicator light (yellow) illuminates)

X2015

Front Recognition Camera Dirt

System operation was temporarily suspended due to forward recognition camera not being able to detect objects.

Perform troubleshooting for the front camera system.

No Message*1

(LTA indicator light (yellow) illuminates)

X2016

Front Recognition Camera Outside Guaranteed Operating Temperature

System operation was temporarily suspended due to the forward recognition camera being excessively hot or cold.

Perform troubleshooting for the front camera system.

LTA Unavailable

X2017

Front Recognition Camera Outside Guaranteed Operating Voltage

System operation was temporarily suspended due to forward recognition camera power source voltage being excessively high or low.

Perform troubleshooting for the front camera system.

LTA Malfunction Visit Your Dealer

X201D

Front Recognition Camera System Software Malfunction

The forward recognition camera detected specification information malfunction.

Perform troubleshooting for the front camera system.

No Message*1

(LTA indicator light (yellow) illuminates)

X201F

Front Recognition Camera Temporary Unavailable (Front Recognition Camera Recognition Stop)

The forward recognition camera operation was suspended.

Perform troubleshooting for the front camera system.

LTA Malfunction Visit Your Dealer

X2020

Front Radar Sensor Destination Malfunction

The forward recognition camera received destination information malfunction signal from the millimeter wave radar sensor assembly.

Perform troubleshooting for the front radar sensor system.

LTA Malfunction Visit Your Dealer

X2021

Front Radar Sensor Malfunction

The forward recognition camera received malfunction signal from the millimeter wave radar sensor assembly.

Perform troubleshooting for the front radar sensor system.

LTA Malfunction Visit Your Dealer

X2022

Front Radar Sensor Optical Axis Misalignment Malfunction

The forward recognition camera received beam axis misalignment malfunction signal from the millimeter wave radar sensor assembly.

Perform millimeter wave radar sensor assembly beam axis adjustment.

LTA Malfunction Visit Your Dealer

X2023

Front Radar Sensor Optical Axis Not Adjusted

The forward recognition camera received beam axis not adjusted signal from the millimeter wave radar sensor assembly.

If this Vehicle Control History code is output, perform millimeter wave radar sensor assembly beam axis adjustment, clear the Vehicle Control History and then check that this code is not stored again.

LTA Unavailable

X2026

Front Radar Sensor Dirt

The forward recognition camera received millimeter wave radar sensor assembly dirty signal from the millimeter wave radar sensor assembly.

Perform troubleshooting for the front radar sensor system.

LTA Unavailable

X2027

Front Radar Sensor Outside Guaranteed Operating Temperature

The forward recognition camera received temperature malfunction signal from the millimeter wave radar sensor assembly.

Perform troubleshooting for the front radar sensor system.

LTA Unavailable

X2028

Front Radar Sensor Outside Guaranteed Operating Voltage

The forward recognition camera received voltage malfunction signal from the millimeter wave radar sensor assembly.

Perform troubleshooting for the front radar sensor system.

LTA Malfunction Visit Your Dealer

X204A

Acceleration Sensor Malfunction

The forward recognition camera received an acceleration sensor malfunction signal from the skid control ECU (brake actuator assembly).

Perform troubleshooting for the electronically controlled brake system.

LTA Malfunction Visit Your Dealer

X2073

Communication Error from Lane Control Module to Power Steering Control System

Communication malfunction occurred between the forward recognition camera and power steering ECU (rack and pinion power steering gear assembly).

Perform troubleshooting for the power steering system.

LTA Malfunction Visit Your Dealer

X2081

Power Steering Control System for Steering Assist Invalid

The forward recognition camera received a power steering system steering assist unavailable signal from the power steering ECU (rack and pinion power steering gear assembly).

Perform troubleshooting for the power steering system.

LTA Malfunction Visit Your Dealer

X2082

Power Steering Control System for Steering Assist Steering Angle Malfunction

The forward recognition camera received a power steering system steering assist angle malfunction signal from the power steering ECU (rack and pinion power steering gear assembly).

Perform troubleshooting for the power steering system.

LTA Malfunction Visit Your Dealer

X2084

Meter Speed Tolerance Malfunction

The forward recognition camera received a vehicle speed tolerance malfunction signal from the combination meter assembly.

Perform troubleshooting for the meter / gauge system.

CLEAR VEHICLE CONTROL HISTORY (LANE CONTROL SYSTEM)

NOTICE:

By performing this procedure, all stored Vehicle Control History will be cleared.

(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 / Utility / Vehicle Control History (RoB)

Chassis > Lane Control > Utility

Tester Display

Vehicle Control History (RoB)

(e) According to the display on the Techstream, clear the Vehicle Control History (RoB).

VEHICLE CONTROL HISTORY (SRS AIRBAG SYSTEM)

(a) Part of the control history can be confirmed using the Vehicle Control History.

Click here

READ NEXT:

 Lost Communication with ECM/PCM "A" Missing Message (U010087,U012587,U012687,U012987,U013187,U015587)

DESCRIPTION When a communication malfunction is detected between the forward recognition camera and an ECU or sensor, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble A

 Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)

DESCRIPTION The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor

 Internal Control Module Software Incompatibility Not Programmed (U030051)

DESCRIPTION The forward recognition camera receives the vehicle information from the ECM via CAN communication. If the forward recognition camera cannot store the vehicle information sent from the ECM

SEE MORE:

 Precaution

PRECAUTION BASIC REPAIR HINT (a) HINTS ON OPERATIONS 1 Attire Always wear a clean uniform. A hat and safety shoes must be worn. 2 Vehicle protection Prepare a grille cover, fender cover, seat cove

 Operation Check

OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the power switch on (IG). (b) With L on the mirror select switch selected, check that the outer rear view mirror assembly LH surface moves up, down, left and right normally. (c) With R on the mirror select switch selected, chec

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