Lexus NX: Vehicle Control History

VEHICLE CONTROL HISTORY

NOTICE:

When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again.

CHECK VEHICLE CONTROL HISTORY (LANE TRACING 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: Chassis / Lane Control / Utility / Vehicle Control History (RoB).

Chassis > Lane Control > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History (RoB)

Multi-information Display

Code

Tester Display

Measurement Item

Diagnostic Note

*: The tracing assist system does not output multi-information display requests to the combination meter. Instead, the pre-collision system outputs "Front Camera Unavailable" and "Front Camera Unavailable See Owner's Manual" display requests.

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2000

Yaw Rate Sensor Malfunction

History of airbag ECU assembly malfunction signals output by the skid control ECU (brake booster with master cylinder assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2001

Steering Sensor Malfunction

History of steering sensor malfunction signals output by the skid control ECU (brake booster with master cylinder assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2003

Brake Control System Malfunction

History of brake system malfunction signals output by the skid control ECU (brake booster with master cylinder assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2004

Speed Sensor Malfunction

History of vehicle speed sensor malfunction signals output by the skid control ECU (brake booster with master cylinder assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

 

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2007

Steering vibrator system malfunction

History of steering vibration ECU malfunction signals output by the forward recognition camera.

LTA Unavailable (w/ Lane Centering Function)

X2008

Steering Assist Request Invalid

History of power steering ECU assembly low voltage malfunction signals output by the power steering system

Lane Departure Alert Unavailable (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2011

Front Recognition Camera System Software Not Programmed

History of vehicle specification unconfirmed judgment by the forward recognition camera

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2012

Front Recognition Camera Malfunction

History of forward recognition camera hardware damage judgment by the forward recognition camera

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2013

Front Recognition Camera Optical Axis Misalignment Malfunction

History of forward recognition camera axis misaligned judgment by the forward recognition camera

HINT:

Perform forward recognition camera axis alignment with either "One time recognition" or "Sequential recognition".

  • One time recognition:
  • Sequential recognition:

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2014

Front Recognition Camera Optical Axis Not Adjusted

History of forward recognition camera axis not adjusted judgment by the forward recognition camera

HINT:

Perform forward recognition camera axis alignment with either "One time recognition" or "Sequential recognition".

  • One time recognition:
  • Sequential recognition:

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

(LTA indicator light (yellow) turns on)*

(w/ Lane Centering Function)

X2015

Front Recognition Camera Dirt

History of forward recognition camera dirty judgment judged by the forward recognition camera

(LDA indicator light (yellow) turns on)*

(w/o Lane Centering Function)

(LTA indicator light (yellow) turns on)*

(w/ Lane Centering Function)

X2016

Front Recognition Camera Outside Guaranteed Operating Temperature

History of forward recognition camera temperature malfunction judgment by the forward recognition camera

(LDA indicator light (yellow) turns on)*

(w/o Lane Centering Function)

LTA Unavailable (w/ Lane Centering Function)

X2017

Front Recognition Camera Outside Guaranteed Operating Voltage

History of forward recognition camera voltage malfunction judgment by the forward recognition camera

Lane Departure Alert Unavailable (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X201D

Front Recognition Camera System Software Malfunction

History of forward recognition camera specification malfunction judgment by the forward recognition camera

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

(LTA indicator light (yellow) turns on)*

(w/ Lane Centering Function)

X201F

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

History of forward recognition camera vehicle information malfunctions

(LDA indicator light (yellow) turns on)*

(w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2020

Front Radar Sensor Destination Malfunction

History of received millimeter wave radar sensor assembly destination malfunctions

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2021

Front Radar Sensor Malfunction

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

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2022

Front Radar Sensor Optical Axis Misalignment Malfunction

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

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2023

Front Radar Sensor Optical Axis Not Adjusted

History of millimeter wave radar sensor assembly axis not adjusted signals output by the millimeter wave radar sensor assembly

If the history output, delete the vehicle control histories after adjusting the optical axis, and check that the history is not output again.

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Unavailable (w/ Lane Centering Function)

X2026

Front Radar Sensor Dirt

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

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Unavailable (w/ Lane Centering Function)

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

Lane Departure Alert Unavailable (w/o Lane Centering Function)

LTA Unavailable (w/ Lane Centering Function)

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

Lane Departure Alert Unavailable (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X204A

Acceleration Sensor Malfunction

History of yaw rate sensor (airbag ECU assembly) malfunction signals output by the skid control ECU (brake booster with master cylinder assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2073

Communication Error from Lane Control Module to Power Steering Control System

History of communication malfunctions received from the power steering ECU assembly (forward recognition camera → power steering ECU assembly)

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2081

Power Steering Control System for Steering Assist Invalid

History of steering assist power steering system unavailable malfunction signals output by the power steering system

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2082

Power Steering Control System for Steering Assist Steering Angle Malfunction

History of steering assist power steering system actual steering angle malfunction signals output by the power steering system

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

LTA Malfunction Visit Your Dealer (w/ Lane Centering Function)

X2084

Meter Speed Tolerance Malfunction

History of meter speed tolerance malfunction signals output by the combination meter assembly

Lane Departure Alert Malfunction Visit Your Dealer (w/o Lane Centering Function)

CLEAR VEHICLE CONTROL HISTORY (LANE TRACING 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: Chassis / Lane Control / Utility / Vehicle Control History (RoB).

NOTICE:

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

Chassis > Lane Control > Utility

Tester Display

Vehicle Control History (RoB)

CHECK VEHICLE CONTROL HISTORY (AIRBAG SYSTEM)

HINT:

Some of the control history can be checked from "Vehicle Control History".

Click here

READ NEXT:

 Steering Vibrator Component Internal Failure (C1A7496)

DESCRIPTION If the forward recognition camera receives a steering vibration ECU malfunction signal, DTC C1A7496 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A7

 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U013187,U015587,U029387)

DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U012587 Lost Communicatio

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

DESCRIPTION The forward recognition camera is connected to the millimeter wave radar sensor assembly via the CAN communication line. When the signal from the millimeter wave radar sensor assembly is i

SEE MORE:

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect

 Diagnosis System

DIAGNOSIS SYSTEM DIAGNOSIS MODE FUNCTION (a) w/ Lane Centering Function: When a malfunction occurs in the lane tracing assist system system, the LTA indicator light illuminates yellow and a message is displayed on the multi-information display. Warning Message Details DTC/RoB LTA Indicator

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