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 (ROAD SIGN ASSIST SYSTEM)

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Road Sign Assist / Utility / Vehicle Control History (RoB)

Body Electrical > Road Sign Assist > 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

RSA 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 booster with master cylinder assembly).

Perform troubleshooting for the electronically controlled brake system.

RSA 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 booster with master cylinder assembly).

Perform troubleshooting for the electronically controlled brake system.

-

X2011

Front Recognition Camera System Software Not Programmed

The forward recognition camera cannot store the vehicle information.

Perform troubleshooting for the front camera system.

RSA Malfunction Visit Your Dealer

X2012

Front Recognition Camera Malfunction

The forward recognition camera detected an internal malfunction.

Perform troubleshooting for the front camera system.

RSA Malfunction Visit Your Dealer

X2013

Front Recognition Camera Optical Axis Misalignment Malfunction

The forward recognition camera detected optical axis misalignment.

Refer to DTC C1AA800 in Front Camera System

RSA 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

-

X2015

Front Recognition Camera Dirt

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

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

-

X2016

Front Recognition Camera Outside Guaranteed Operating Temperature

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

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

-

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.

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

RSA 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.

-

X2020

Front Radar Sensor Destination Malfunction

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

Perform troubleshooting for the front radar sensor system.

-

X2021

Front Radar Sensor Malfunction

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

Perform troubleshooting for the front radar sensor system.

-

X2022

Front Radar Sensor Optical Axis Misalignment Malfunction

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

Perform millimeter wave radar sensor assembly beam axis adjustment.

-

X2023

Front Radar Sensor Optical Axis Not Adjusted

The forward recognition camera received a 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.

-

X2026

Front Radar Sensor Dirt

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

Perform troubleshooting for the front radar sensor system.

-

X2027

Front Radar Sensor Outside Guaranteed Operating Temperature

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

Perform troubleshooting for the front radar sensor system.

-

X2028

Front Radar Sensor Outside Guaranteed Operating Voltage

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

Perform troubleshooting for the front radar sensor system.

-

X2076

Wiper Malfunction

The forward recognition camera received a wiper system malfunction signal from the main body ECU (multiplex network body ECU).

Perform troubleshooting for the wiper and washer system.

-

X2077

Ambient Temperature Sensor Circuit

The forward recognition camera received an ambient temperature sensor malfunction signal from the air conditioning amplifier assembly.

Perform troubleshooting for the air conditioning system.

-

X2078

Steering Vibrator System Malfunction

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

Perform troubleshooting for the front camera system.

RSA 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 (ROAD SIGN ASSIST SYSTEM)

NOTICE:

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

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Road Sign Assist / Utility / Vehicle Control History (RoB)

Body Electrical > Road Sign Assist > Utility

Tester Display

Vehicle Control History (RoB)

(e) Clear the Vehicle Control History (RoB) according to the display on the Techstream.

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 Components

COMPONENTS ILLUSTRATION *1 COURTESY LIGHT ASSEMBLY *2 REAR DOOR TRIM BOARD SUB-ASSEMBLY *3 REAR DOOR UPPER TRIM PAD *4 REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL ILLUSTRATION *A w/ Rear Door Sunshade - - *1 CURTAIN HOOK

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TERMINALS OF ECU CHECK 4WD ECU ASSEMBLY (a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G131-6 (CANH) - G131-5 (CANL) G - W HIGH-level CAN bus wire - LOW-level CAN bus wire Cable disc

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