- 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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Stop Light Relay Actuator Stuck (C142571)
DESCRIPTION The stop light switch assembly and skid control ECU (brake booster with master cylinder assembly) outputs stop light signals. When the skid control ECU (brake booster with master cylinder
Lost Communication With Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U029387)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U012587 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message While the vehicle is bein
Lost Communication with Cruise Control Front Distance Range Sensor 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:
Check Mode Procedure
CHECK MODE PROCEDURE NOTICE: Enter "Signal Check" from the "DTC Check" screen displayed on the Techstream to clear the output DTCs (both present and past). HINT:
DTCs can be stored more sensitively in check mode than in normal diagnosis mode.
Perform the check mode inspection when a malfunction
Front Camera Module Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Front Camera Module Communication Stop Mode Any of the following conditions are met:
Communication stop for "Front Camera Module" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
Communication sys
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