Lexus ES manuals

Lexus ES: Vehicle Control History

VEHICLE CONTROL HISTORY

CHECK VEHICLE CONTROL HISTORY

HINT:

  • The vehicle control history data stores the history of the reject function and system protection operations.
  • The number of occurrences, date and distance are stored in batches for each item.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Front Recognition Camera (Front Lighting Control) / Utility / Vehicle Control History (RoB).

Body Electrical > Front Recognition Camera (Front Lighting Control) > Utility

Tester Display

Vehicle Control History (RoB)

RoB Code No.

Tester Display

Measurement Item

Diagnostic Note

Link

X2000

Yaw Rate Sensor Malfunction

History of yaw rate sensor malfunction signals output by the skid control ECU (brake actuator assembly)

-

X2004

Speed Sensor Malfunction

History of vehicle speed sensor malfunction signals output by the skid control ECU (brake actuator assembly)

-

X2011

Front Recognition Camera System Software Not Programmed

History of vehicle specifications unconfirmed malfunction signals output by the forward recognition camera

-

X2012

Front Recognition Camera Malfunction

History of forward recognition camera malfunction signals output by the forward recognition camera

-

X2013

Front Recognition Camera Optical Axis Misalignment Malfunction

History of forward recognition camera axis misalignment malfunction signals output by the forward recognition camera

-

X2014

Front Recognition Camera Optical Axis Not Adjusted

History of forward recognition camera axis unadjusted malfunction signals output by the forward recognition camera

-

X2015

Front Recognition Camera Dirt

History of forward recognition camera dirty malfunction signals output by the forward recognition camera

Refer to Vehicle Control History code RoB X2015 of Front Camera System for details.

X2016

Front Recognition Camera Outside Guaranteed Operating Temperature

History of forward recognition camera temperature malfunction signals output by the forward recognition camera

Refer to Vehicle Control History code RoB X2016 of Front Camera System for details.

X2017

Front Recognition Camera Outside Guaranteed Operating Voltage

History of forward recognition camera voltage malfunction signals output by the forward recognition camera

Refer to Vehicle Control History code RoB X2017 of Front Camera System for details.

X201D

Front Recognition Camera System Software Malfunction

History of vehicle information stored by the main body ECU (multiplex network body ECU) and forward recognition camera not matching

-

X2020

Front Radar Sensor Destination Malfunction

History of the millimeter wave radar sensor assembly not receiving vehicle information from the main body ECU (multiplex network body ECU) or vehicle information stored by the main body ECU (multiplex network body ECU) and millimeter wave radar sensor assembly not matching

-

X2021

Front Radar Sensor Malfunction

History of millimeter wave radar sensor assembly malfunction signals output by the millimeter wave radar sensor assembly

-

X2022

Front Radar Sensor Optical Axis Misalignment Malfunction

History of millimeter wave radar sensor assembly axis misalignment malfunction signals output by the millimeter wave radar sensor assembly

-

X2023

Front Radar Sensor Optical Axis Not Adjusted

History of millimeter wave radar sensor assembly axis unadjusted malfunction signals output by the millimeter wave radar sensor assembly

-

X2026

Front Radar Sensor Dirt

History of millimeter wave radar sensor assembly dirty malfunction signals output by the millimeter wave radar sensor assembly

Refer to Vehicle Control History code RoB X2026 of Front Radar Sensor System for details.

X2027

Front Radar Sensor Outside Guaranteed Operating Temperature

History of millimeter wave radar sensor assembly temperature malfunction signals output by the millimeter wave radar sensor assembly

Refer to Vehicle Control History code RoB X2027 of Front Radar Sensor System for details.

X2028

Front Radar Sensor Outside Guaranteed Operating Voltage

History of millimeter wave radar sensor assembly voltage malfunction signals output by the millimeter wave radar sensor assembly

Refer to Vehicle Control History code RoB X2028 of Front Radar Sensor System for details.

X204C

Zero Point Calibration of Yaw Rate Sensor Undone

History of yaw rate sensor zero point calibration incomplete signals output by the skid control ECU (brake actuator assembly)

-

X204D

Front Lighting Control System Inoperative Condition by Front Recognition Camera High Temperature

History of high temperature condition signals output by the forward recognition camera

-

-

X204E

Front Lighting Control System Inoperative Condition by Front Recognition Camera Adverse Environment

History of bad weather signals output by the forward recognition camera

This item is stored when bad weather is detected or the wipers are operated at high speed (HI). In this case, the indicator may turn off, but this does not indicate a malfunction.

-

X2072

Communication Error from Front Radar Sensor to Driving Support Control Module

History of millimeter wave radar sensor assembly communication malfunction signals output by the millimeter wave radar sensor assembly

-

-

CLEAR VEHICLE CONTROL HISTORY

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: Body Electrical / Front Recognition Camera (Front Lighting Control) / Utility / Vehicle Control History (RoB) (Clear).

Body Electrical > Front Recognition Camera (Front Lighting Control) > Utility

Tester Display

Vehicle Control History (RoB)

READ NEXT:

 Light Sensor Circuit (B1244)

DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiple

 Automatic High Beam System (B124B)

DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.

 Automatic High Beam Camera (B124C)

DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No.

SEE MORE:

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel main valve assembly removal/installation are shown below. Necessary Procedures After Parts Removed/

 Components

COMPONENTS ILLUSTRATION *1 CRANKSHAFT PULLEY ASSEMBLY *2 TIMING CHAIN COVER OIL SEAL *3 CRANKSHAFT PULLEY BOLT - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part MP grease - -

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