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) |
| 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".
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| 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".
|
| 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".
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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:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL POWER BACK DOOR SENSOR ASSEMBLY LH (a) Attach the 2 clips to install the power back door sensor assembly LH. (b) Install the 4 screws
Components
COMPONENTS ILLUSTRATION *1 COLUMN HOLE COVER SILENCER SHEET *2 COMBINATION SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY *3 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY *4 NO. 1 AIR DUCT *5 NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY *6 LOWER STEERING COLUMN COVER *7
