Vehicle Control History [10/2022 - ]
WARNING: This page is about a different car, the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, and 2023 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again.
- CHECK VEHICLE CONTROL HISTORY (FRONT CAMERA SYSTEM)
- Read the Vehicle Control History (RoB) according to the display on the Techstream.
Chassis > Front Recognition Camera > Utility
Tester Display Vehicle Control History (RoB)
VEHICLE CONTROL HISTORY (ROB)Multi-information Display Code Tester Display Measurement Item Diagnostic Note Front Camera Unavailable See Owner's Manual X2000 Yaw Rate Sensor Malfunction History of yaw rate sensor malfunction signals output by the yaw rate sensor Refer to How to Proceed with Troubleshooting in Vehicle Stability Control System.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ]Front Camera Unavailable See Owner's Manual X2004 Speed Sensor Malfunction History of vehicle speed sensor malfunction signals output by the skid control ECU (brake actuator assembly) Refer to How to Proceed with Troubleshooting in Vehicle Stability Control System.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ]- X200B VGRS System Malfunction History of VGRS malfunction signals output by the VGRS ECU (front steering control ECU) Refer to How to Proceed with Troubleshooting in Variable Gear Ratio Steering System.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]Pre-Collision System Malfunction Visit Your Dealer X2014 Front Recognition Camera Optical Axis Not Adjusted History of beam axis non-adjustment status by the forward recognition camera HINT:
Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.
One Time Recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [10/2022 - ]
Sequential Recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [10/2022 - ]
Driving Adjustment: Refer to DRIVING ADJUSTMENT [10/2022 - ]Front Camera Low Visibility Unavailable See Owner's Manual X2015 Front Recognition Camera Dirt History of forward recognition camera being unable to recognize the front and being temporarily unavailable - Check for the following
- Front wiper blade other than genuine part may be attached
- Front wiper rubber may be deteriorated
- There may be stickers, accessories, baggage, etc. in visual field range of forward recognition camera
- There may be snow, ice, fog, dirt, frost, dust or oil film sticking on windshield glass in front of camera
- There may be damage or cracks on windshield glass in front of camera
- Windshield glass other than genuine part may be installed
- Confirm the vehicle was not driven in poor weather (the warning display will disappear when the conditions [darkness, backlight, snow, fog, etc.] around the forward recognition camera improve and the forward recognition camera can be used again)
- The inside of the windshield glass is dirty
Cause:
- When foreign matter or dirt is attached to area around forward recognition camera
Measures:
- If the inside of the windshield glass is dirty, clean it using glass cleaner.
Refer to PRECAUTION [10/2022 - ]
Front Camera Out of Temperature Range Unavailable Wait until Normal Temperature X2016 Front Recognition Camera Outside Guaranteed Operating Temperature History of forward recognition camera being temporarily unavailable due to high temperature or low temperature Using the Techstream, check the following items for the front recognition camera in the Data List. Refer to DATA LIST / ACTIVE TEST [10/2022 - ]
- Front Recognition Camera Low Temperature
- Front Recognition Camera High Temperature 1
Cause:
- The forward recognition camera is in one of the following conditions
- When the ambient temperature is approximately -30°C (-22°F) or less, such as when the vehicle is left alone in an extremely cold environment
- When the ambient temperature is approximately 80°C (176°F) or higher, such as when the vehicle is left alone in an extremely hot environment
Front Camera Unavailable See Owner's Manual X2017 Front Recognition Camera Outside Guaranteed Operating Voltage History of forward recognition camera being temporarily unavailable due to low voltage or high voltage - Check the power supply voltage (IGB) of the forward recognition camera. For terminals to check and standard values, click here.
Refer to TERMINALS OF ECU [10/2022 - ]
- If the power supply voltage was within the standard value, the forward recognition camera may be malfunctioning.
Cause:
- The forward recognition camera is in one of the following conditions
- When the input voltage is approximately 9 V or less, immediately after starting the engine
- When the input voltage is approximately 16 V or higher, immediately after starting the engine
Front Camera Low Visibility Unavailable See Owner's Manual X201C Front Recognition Camera Haze History of forward recognition camera being unable to recognize the front and being temporarily unavailable - Check for the following
- Front wiper blade other than genuine part may be attached
- Front wiper rubber may be deteriorated
- There may be stickers, accessories, baggage, etc. in visual field range of forward recognition camera
- There may be snow, ice, fog, dirt, frost, dust or oil film sticking on windshield glass in front of camera
- There may be damage or cracks on windshield glass in front of camera
- Windshield glass other than genuine part may be installed
- Confirm the vehicle was not driven in poor weather (the warning display will disappear when the conditions [darkness, backlight, snow, fog, etc.] around the forward recognition camera improve and the forward recognition camera can be used again)
- The inside of the windshield glass is dirty
Cause:
- When foreign matter or dirt is attached to area around forward recognition camera
Measures:
- If the inside of the windshield glass is dirty, clean it using glass cleaner.
Refer to PRECAUTION [10/2022 - ]
Front Camera Unavailable See Owner's Manual X204A Acceleration Sensor Malfunction History of G sensor malfunction signals output by the skid control ECU (brake actuator assembly) Refer to How to Proceed with Troubleshooting in Vehicle Stability Control System.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ]Front Camera Unavailable See Owner's Manual X2047 DRS System Malfunction History of DRS malfunction signals output by the DRS ECU (rear steering control ECU) Refer to How to Proceed with Troubleshooting in dynamic rear steering system.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]Front Camera Unavailable See Owner's Manual X204C Zero Point Calibration of Yaw Rate Sensor Undone The forward recognition camera received a yaw rate sensor zero point calibration not performed signal from the skid control ECU (brake actuator assembly) Refer to How to Proceed with Troubleshooting in Vehicle Stability Control System.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ] - Read the Vehicle Control History (RoB) according to the display on the Techstream.
- CLEAR VEHICLE CONTROL HISTORY (FRONT CAMERA SYSTEM) NOTE:
By performing this procedure, all stored Vehicle Control History items will be cleared.