- The forward recognition camera temporary recognition stops.
Lexus NX: Vehicle Control History
Lexus NX Service Manual / Vehicle Interior / Pre-collision / Pre-collision System / Vehicle Control History
VEHICLE CONTROL HISTORY
NOTICE:
When checking the vehicle control history, make sure to record the output histories. Then, remove the histories and recheck the output histories again.
CHECK VEHICLE CONTROL HISTORY (PRE-COLLISION 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 / Pre-Collision System / Utility / Vehicle Control History (RoB).
Body Electrical > Pre-Collision System > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
| Multi-information Display | Code | Tester Display | Measurement Item | Diagnostic Note |
|---|---|---|---|---|
| Pre-Collision System Malfunction Visit Your Dealer | X2000 | Yaw Rate Sensor Malfunction | Recorded when forward recognition camera received a malfunction signal of airbag ECU assembly output from airbag ECU assembly or skid control ECU (brake booster with master cylinder assembly). | Electronically controlled brake system (HOW TO PROCEED WITH TROUBLESHOOTING |
| Pre-Collision System Malfunction Visit Your Dealer | X2001 | Steering Angle Sensor Malfunction | Recorded when forward recognition camera received a malfunction signal of steering sensor output from steering sensor. | Electronically controlled brake system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2002 | Accelerator Sensor Malfunction | Recorded when forward recognition camera received a malfunction signal of accelerator sensor output from hybrid vehicle control ECU. | Hybrid control system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2003 | Brake Control System Malfunction | Recorded when forward recognition camera received a malfunction signal of brake control system output from skid control ECU (brake booster with master cylinder assembly). | Electronically controlled brake system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2006 | Skid Control Buzzer Malfunction | Recorded when forward recognition camera received an information undefined signal output from skid control buzzer. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2011 | Front Recognition Camera System Software Not Programmed | Recorded when forward recognition camera received an information undefined signal output from forward recognition camera. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2012 | Front Recognition Camera Malfunction | Recorded when forward recognition camera received a malfunction signal of forward recognition camera output from forward recognition camera. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2013 | Front Recognition Camera Optical Axis Misalignment Malfunction | Recorded when forward recognition camera received an optical axis misalignment malfunction signal of forward recognition camera output from forward recognition camera. | Front camera system (C1AA800) |
| Pre-Collision System Malfunction Visit Your Dealer | X2014 | Front Recognition Camera Optical Axis Not Adjusted | Recorded when forward recognition camera received an optical axis unadjusted signal of forward recognition camera output from forward recognition camera. | If this DTC is output, clear the history after performing axis adjustment and check that no DTC is output. HINT: Forward recognition camera adjustment can be performed by using either "One Time Recognition" or "Sequential Recognition". One Time Recognition: Sequential Recognition: |
| Front Camera Vision Blocked Clean and Demist Windshield | X2015 | Front Recognition Camera Dirt | Recorded when forward recognition camera received a dirt signal of forward recognition camera output from forward recognition camera. | Refer to X2015 in the front camera system vehicle control history. |
| Front Camera Unavailable | X2016 | Front Recognition Camera Outside Guaranteed Operating Temperature | Recorded when forward recognition camera received an outside guaranteed operating temperature signal of forward recognition camera output from forward recognition camera. | Refer to X2016 in the front camera system vehicle control history. |
| Front Camera Unavailable | X2017 | Front Recognition Camera Outside Guaranteed Operating Voltage | Recorded when forward recognition camera received an outside guaranteed operating voltage signal of forward recognition camera output from forward recognition camera. | Refer to X2017 in the front camera system vehicle control history. |
| Pre-Collision System Malfunction Visit Your Dealer | X2018 | Front Recognition Camera Heater Malfunction | Recorded when forward recognition camera received a camera heater malfunction signal output from forward recognition camera. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X201D | Front Recognition Camera System Software Malfunction | Recorded when forward recognition camera received system software malfunction signal of forward recognition camera output from forward recognition camera. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Front Camera Unavailable | X201F | Front Recognition Camera Temporary Unavailable (Front Recognition Camera Recognition Stop) | Recorded when forward recognition camera received a recognition stop signal of forward recognition camera output from forward recognition camera. | Front camera system (HOW TO PROCEED WITH TROUBLESHOOTING) Cause: |
| Pre-Collision System Malfunction Visit Your Dealer | X2020 | Front Radar Sensor Destination Malfunction | Recorded when forward recognition camera received a destination malfunction signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Front radar sensor system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2021 | Front Radar Sensor Malfunction | Recorded when forward recognition camera received a malfunction signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Front radar sensor system (HOW TO PROCEED WITH TROUBLESHOOTING) |
| Pre-Collision System Malfunction Visit Your Dealer | X2022 | Front Radar Sensor Optical Axis Misalignment Malfunction | Recorded when forward recognition camera received an optical axis misalignment malfunction signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Front radar sensor system (C1A1100) |
| Pre-Collision System Malfunction Visit Your Dealer | X2023 | Front Radar Sensor Optical Axis Not Adjusted | Recorded when forward recognition camera received an optical axis unadjusted signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | If this DTC is output, clear the history after performing axis adjustment and check that no DTC is output. |
| Pre-Collision System Unavailable | X2024 | Front Radar Sensor Temporary Unavailable (Vertical Direction Optical Axis Misalignment) | Recorded when forward recognition camera received a vertical direction optical axis misalignment signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Refer to X2024 in the front radar sensor system vehicle control history. HINT: The vehicle control history may be stored even when "Pre-Collision System Unavailable" is not displayed on the multi-information display. When this occurs, the vehicle control history can be erased by completing drive learning. |
| Pre-Collision System Unavailable | X2025 | Front Radar Sensor Temporary Unavailable (Horizontal Direction Optical Axis Misalignment) | Recorded when forward recognition camera received a horizontal direction optical axis misalignment signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Refer to X2025 in the front radar sensor system vehicle control history. HINT: The vehicle control history may be stored even when "Pre-Collision System Unavailable" is not displayed on the multi-information display. When this occurs, the vehicle control history can be erased by completing drive learning. |
| Pre-Collision System Unavailable Clean Sensor | X2026 | Front Radar Sensor Dirt | Recorded when forward recognition camera received a dirt malfunction signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Refer to X2026 in the front radar system vehicle control history. |
| Pre-Collision System Unavailable | X2027 | Front Radar Sensor Outside Guaranteed Operating Temperature | Recorded when forward recognition camera received an outside guaranteed operation temperature signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Refer to X2027 in the front radar sensor system vehicle control history. |
| Pre-Collision System Unavailable | X2028 | Front Radar Sensor Outside Guaranteed Operating Voltage | Recorded when forward recognition camera received an outside guaranteed operating voltage signal of millimeter wave radar sensor assembly output from millimeter wave radar sensor assembly. | Refer to X2028 in the front radar sensor system vehicle control history. |
| Pre-Collision System Malfunction Visit Your Dealer | X2070 | Communication Error from Pre-Collision System to Front Radar Sensor | Recorded when forward recognition camera received a communication error signal from forward recognition camera to millimeter wave radar sensor assembly. | Front radar sensor system (HOW TO PROCEED WITH TROUBLESHOOTING) |
CLEAR VEHICLE CONTROL HISTORY (PRE-COLLISION 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 / Pre-Collision System / Utility / Vehicle Control History (RoB).
NOTICE:
By performing this procedure, all stored Vehicle Control History items will be cleared.
Body Electrical > Pre-Collision System > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
CHECK VEHICLE CONTROL HISTORY (SRS AIRBAG)
HINT:
A part of the control history can be confirmed using the vehicle control history.
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